Title	Page
Foreword	3
Allomancy Lore	3
Class Summary	4
Class Features	6
- Allomantic Metals	9
- Allomantic Specialties	16
DM Extras	22
- Mistings	22
- The Mists	22
- A World With Allomancers	23
- God Metals	23
- Items	25
- Cadmium and Bendalloy: Alternative Temporal Metals	24
- Creating a new Allomantic Power	25
- Hemalurgy	26
- Feruchemy	26
Changelog	29

Allomancers

In days long past, the gods Leras, of Preservation, and Ati, of Ruin, fought over this world. They worked together to create it, giving up their bodies for it, on the promise that Ati may Ruin it, but Leras could not stand to see his children wiped out, so he broke his promise and created a plan to stop Ruin.

Leras connected eight metals, and an alloy of each, to the Weave, making them serves as catalysts to powerful magic when ingested. Leras gave his soul to power this magic - Allomancy - Whenever it was invoked, making it strong enough to help mankind resist Ruins schemes. Then Leras gave up his mind to imprison Ruins, and not much was left of the god, just the Mists that covered the world every night to protect and empower the Mistborn - His Allomancers.

Over the ages, Leras’ remaining power faded, and with it Allomancy and the Mists waned. His name, his fight against Ruin, and the metallic art almost forgotten. Allomancy paled in comparison to arcane and divine magics with so little of Leras’ power left to draw on, it almost went extinct as fewer and fewer people practiced it.

Eventually, blood lines overlapped, and people started being born both with Leras’ blessing as well as an innate connection to the Weave, people capable of becoming Sorcerors, Bards, Wizards and the like. But instead of learning how to use their innate magic for spells, they learned how to use it to infuse metals with power, much like Leras used to do, granting them Allomantic abilities comparable to the ancient Mistborn.

Once again Allomancers travel this land, leaping over city skylines through the power of steel, soothing crowds with brass, seeking magic and adventure with bronze, always alert through tin. Bandits that encounter them swept off their feet by their own armor, their weapons flying off into the forest, fear gripping them as the man downs a vial of pewter shavings, ready to beat some heads in with giant’s strength...

Preparing and Burning Metals

Allomancers must empower metals before they are usable, this is done during a rest, and those are then called Allomantic Metals. They can have up to their level of prepared arbitrary units of Allomantic Metal, each unit having a duration/number of uses specific to the metal. They can prepare multiple units of the same metal. Usually roughly the volume of a coin or thumbnail is enough to qualify as a unit of metal. An Allomancer should not have to track his non-currency metal inventory, similar to how a spellcaster would use a component pouch. Allomantic metals are usually kept in powdered form in a vial full of liquid for quick ingesting; The Allomancer should be allowed to drink a single vial on his turn without using any type of action or even their object interaction, similar to how martial classes are allow to draw ammunition as part of their attacks. If the metal is not in “potion” form, feel free to make swallowing it impact the action economy.

• Allomancers prepare maximum metals on a long rest
• Allomancers prepare one quarter of maximum metals on a short rest, rounded up
• Metal vials/”potions” hold up to 10 units of Allomantic Metals
• Metals effects and durations do not have to be consecutive turns; It’s a resource-management intensive class, trust your player to keep track.

Burning a metal is the process of using it’s power; It usually provides a passive effect, and access to active effects. There will be a simplified table below.

Active powers cause the metal to be consumed faster than just burning it for passive effects, so don’t be surprised/suspicious if an Allomancer can hold on to the passive effects for a long time.

Flaring a metal is used to enhance it’s effects, available from level 5 onwards. This usually causes the metal to be consumed significantly faster than normal.

Any number of metals can be burned at the same time, but burning 4 or more causes them to burn faster.

Mistborn

In the books the Allomancers are based on, their powers are related to near-perpetual mists shrouding the world, which are related to the source of allomancy, so Allomancers are given certain bonuses while in clouds of fog, mist or other gasses. You may cut/replace these entirely or modify them to fit your setting; It is meant to be a bit of flavor rather than an actual power increase to the class.

Low Burn

The class uses turn-based durations for the metals to begin with, to ease players into it and also to display their inexperience with their powers. Low Burn makes the powers charged based, generally allowing them to use their powers more efficiently and longer than before, especially if they mainly just want the passive effects.

Flaring

The classes level 5 power spike, flaring a metal involves burning it faster than normal, spending more charges to perform empowered actions. Flaring metals will generally make the metals last significantly shorter than their original pre-Low Burn durations.

Allomantic Specialty

These work similar to Warlock’s Eldritch Invocations, and replace class archetypes for this class. The player can choose to focus heavily on one or two metals, and then pick some additional utility options from other metals to create a unique class archetype and character of their own.

Steelpushing and Ironpulling:

Steel and Iron let an Allomancer see blue lines connected to all source of metal within 120ft, and push or pull on the metal using their own weight. If the target doesn’t move, the force of the push or pull is reflected onto the Allomancer. The force increases until one side moves, potentially causing damage to one or both if they are anchored well (usually repeating 3d6 bludgeoning until one side breaks or the Allomancer gives up). The section on Iron has a very detailed description of how this should work.

Allomancers can become incredibly mobile using Steel and Iron; Mostly by Steelpushing against objects that can’t move, commonly coins dropped on the floor below them, granting them pseudo-flight through careful steelpushes.

Distance objects are pushed/pulled, their damage dice and effective attack ranges based on their weight relative to that of the allomancers:

If a creature is holding or wearing an object that gets pushed or pulled, it can make a strength saving throw against 8 + proficiency + str mod to hold on to the object/not get moved; The DM can ask for contested strength checks instead. The DM should also grant advantage and disadvantage based on how well a creature can resist the force: Holding on to a sword with 100+lbs pushing against it is significantly harder than using your entire body to work against the force pushing against your breastplate. Consider making creatures automatically fail if they are pushed/pulled away from the ground. Remember that if the target doesn’t move, the allomancer does! Describe it as the Allomancer losing his footing/grip on his anchor if needed.

Class Features

As an allomancer, you gain the following class features.

Equipment

You start with the following equipment:

• (a) Leather Armor, (b) Chain Shirt or (c) Scale Mail
  
• (a) a weapon you are proficient with and a shield or (b) two weapons you are proficient with
  
• (a) a dungeoneer’s pack, (b) an explorer’s pack or (c) a scholar’s pack
  
• One piece of any number of the eight base metals in any form you choose; A bead bracelet, rings or other jewelry. You have some knowledge of the metals, but not necessarily their effect. This can be memorized knowledge or something physical like a notebook.
  
• A set of crystal vials and a box or pouch full of metal shavings of the 8 base metals (Physical and Mental groups) which can be restocked at negligible costs (Like a spellcasters Component Pouch)
• Metallurgist's Tools (8 lbs)
  
  

Base Metals

The base metals are the first 8 metals all Allomancers discover and the core of their power and versatility.

Iron

External Physical Pulling Metal

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Duration: 10 rounds / 20 charges

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Passive Effect: Iron grants Metalsense out to 120 feet.

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Active Effect: Ironpull

You may use your Action to mentally pull on any allomantic lines you see through your Metalsense, pulling the metallic object directly towards you with force equal to your weight. The objects own weight pulls on you as well; You can easily resist the counter-pull of objects of similar or lesser weight than yourself and remain in place, but if the object is significantly heavier you get pulled towards it instead.

If both the allomancer and the pulled object don't get moved, the force of the pull increases again by the allomancer's weight on both sides, and keeps increasing this way until one end of the pull moves or the allomancer cancels the pull. This escalation takes less than a second and may cause the allomancer and/or pulled object take 3d6 damage Bludgeoning damage as they are crushed against whatever is preventing them from moving.

Allomancers may willingly choose to escalate the pull to or even past this point, at which point the DM may choose to allow the Allomancer to make a Strength Saving Throw to reduce the damage, and/or further reduce the damage by any preparations the Allomancer made, such as using some softer padding between himself and the object preventing him from being pulled, or burning Pewter.

The pulls strength will never increase after one side moves.

When determining whether a push or pull would deal damage to the Allomancer or object, compare it to the amount of weight they can push/pull/lift, which is normally 30 x their Strength Score. If the force of the push or pull exceeds that number they take damage. I would recommend an additional 3d6 for each time the push strength exceeds the Allomancers lifting limit by his own weight.

The DM should decide on an upper limit of a single push or pull, I would recommend 10x the Allomancer's weight. If the Allomancer has access to class features such as Flaring that allow multiple pushes or pulls in a single turn, he may expend them into one to raise the upper limit of a single push or pull. This way more metal has to expended to achieve incredibly powerful (and potentially suicidal) pushes and pulls.

If the Allomancer is expecting the push or pull to get to damaging levels, he should be allowed to cancel it before it gets to that point.

The table below shows how far objects and creatures will travel when pulled, effective attack range, and their damage dice if they hit something, based on their weight relative to the allomancers.

If the objects path crosses a creatures space, the allomancer may make an ranged weapon attack. The object is considered an improvised magical weapon, and the allomancer is considered to be proficient with it.

Weight	Distance Pulled	Damage	Range
Similar	30 feet	2d6 bludgeoning	10/30
Half	60 feet	1d6 bludgeoning	30/60
<1/10th	Until collision	1d4 piercing	80/320

If you Ironpull an object that is being worn or held by a creature, the creature must make a Strength Saving Throw against (8 + Your Proficiency Modifier + Your Strength Modifier). The DM must judge how well a creature can resist the pull, if at all.

If the object can be dropped or torn off, the creature should have disadvantage on the saving throw and lose grip of it on a failure, making the object get pulled half the normal distance closer to you. If the creature is significantly lighter than the Allomancer, the DM may rule that on a successful saving throw the creature holds on to the object but gets pulled towards the Allomancer.

If the creature resisting the pull is significantly heavier than the Allomancer, the DM may let it roll the saving throw with advantage

In some cases, creatures may not be capable of resisting the pull, the most common such situation being if they get pulled upwards and don’t have anything to hold onto or push against; In such situations the creature automatically fails the saving throw and gets pulled.

If the pull succeeds, the creature or object move following the same rules listed for uncontested pulls above, based on their relative weight.

The Allomancer may get pulled towards a creature that resists his Ironpulls. Usually Allomancers are skilled enough to end the pull before they move more than a few feet. If the DM feels the Allomancer was unprepared for the consequences of failure, the allomancer will get pulled the maximum distance (30 feet).

Objects or creatures pulled away from gravity begin to fall at the start of their own turn, or the allomancers turn if they are not part of the initiative order, unless the allomancer chooses to keep using ironpulls and steelpushes on the object or creature immediately at the start of his turn.

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Flare: You may Flare your iron on your turn when you use your action to Ironpull a single object, expending an additional charge, allowing you to make an additional Ironpull before the end of your turn.

Steel

External Physical Pushing Metal

Duration: 10 rounds / 20 charges

Passive Effect: Steel grants Metalsense up to 120 feet.

Active Effect: Steelpush

Steelpushing works like Ironpulling, except the Allomancer and Steelpushed object attempt to move away from each other, instead of towards each other.

Flare: You may Flare your steel when you use your action to Steelpush a single object, expending an additional charge allowing you to make an additional Steelpush before the end of your turn.

Steelpushing Tricks

The allomancer may intentionally push on an object that he cannot move in order to push himself away from it, such as pushing away from a building by pushing on metal hinges in doors and windows, or pushing against a coin the Allomancer dropped below himself order to launch himself 30 feet into the air. The allomancer doesn't begin to fall until the start of his next turn, at which point he can choose to continue pushing himself away from the floor, resulting in a strange form of flight.

The Allomancer may Steelpush objects in order to make improvised Ranged Weapon Attacks, similar to how he would do it by Ironpulling, except it is significantly easier to set up pushing a coin out of your hand towards an enemy than finding a loose metal object that just happens behind your enemy.

Steelpushing weapons out of the hands of your enemies is significantly safer than ironpulling them, since you won't be in their trajectory. Discuss with your DM whether disarming is allowed, as 5th edition does not have a lot of rules regarding it.

Tin

Internal Physical Pulling metal

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Duration: 10 minutes / 10 charges.

One charge grants the passive effect for a minute (10 turns)

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Passive Effect: Enhances the Allomancer’s mental abilities, amplifying their senses and ability to process information.

• Gain darkvision out to 60 feet, or an additional 60 feet if you already have darkvision.
• Gain blindsight out to 10 feet, or an additional 10 feet if you already have blindsight.
• You gain advantage on all Wisdom(Perception) checks and Intelligence(Investigation) checks.
• You gain vulnerability to Thunder damage. Effects that deal Thunder damage in an area can damage you at up to twice their normal radius (You still make any related saving throws). No other related effects extend past the normal radius/area, and you take half damage from any effects that damage you outside of their normal radius/area.
• Failing a saving throw against an effect that deals Thunder damage stuns you until the end of your next turn, and you are deafened until you succeed on a DC 10 constitution saving throw you make at the end of your turns.
• You make saving throws against effects that would blind or deafen you through physical means (Such as bright light or loud sounds, even if created by magic) with disadvantage. This does not apply to effects that would deafen as a side effect of taking thunder damage with tin-enhanced hearing.

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Active Effect: You may make perception and investigation checks as a bonus action instead of action. This does not consume additional charges.

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Flare: You may Flare your Tin, expending an additional charge and making a Wisdom(Perception) as an Action.

In addition to all passive bonuses Tin grants your Perception checks, you now also add your proficiency bonus to your perception checks until the start of your next turn. This stacks with all other effects that would add your proficiency bonus to your perception rolls, allowing you to add your proficiency bonus an additional time.

You cannot make additional checks as Bonus Actions while under this effect.

Pewter

Internal Physical Pushing metal

Duration: 5 rounds / 10 charges

Passive Effect: Pewter greatly enhances the Allomancer’s physical abilities

• Increase your current and maximum Strength and Constitution scores by 5. Any health gained by this is lost when Pewter is extinguished; if this would knock you unconscious, you make your death saving throws with advantage until you stabilise, wake up, take damage or die.
• Your unarmed attacks deal 1d4 bludgeoning damage.
• You have advantage on all Strength checks.
• Bludgeoning, Piercing, Slashing and Poison damage you take is reduced by an amount equal to your Constitution modifier.
• You have advantage on saving throws against poison, and suppress the poisoned condition while burning Pewter.
• You may use your Constitution modifier in place of your Dexterity modifier when calculating your AC.

Active Effect: You expend a charge anytime you make an attack, ability check or saving throw that is affected by Pewter, unless it is due to a Flare that already consumes Pewter.

You may make one unarmed attack as a bonus action while burning pewter.

Flare: You may Flare your pewter when you take the Attack to make one additional attack, as if you had the Extra Attack feature. You may also Flare your pewter to Dash as a bonus action, consuming two charges.

Copper

Internal Mental Pulling metal

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Duration: 2 hours / 20 charges

Each charge grants the passive effect for 10 minutes (100 turns)

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Passive Effect:

Copper dampens magic in an area around you, and protects him from mental effects. The area is called a “Coppercloud” and extends in a 10 foot radius around you.

• Spells and magical senses such as Detect Magic, Detect Thoughts, See Invisibility, Alarm and burning Allomantic Bronze cannot pierce the Coppercloud; it can be treated similarly to an antimagic field for such effects.
• The Coppercloud also hides creatures and objects the same way the Nondetection spell would.
• The Coppercloud and its effects are not directly detectable. A creature with a spell such as Detect Magic active could stand right beside the copper cloud and not notice anything wrong.
• You have resistance to psychic damage, and make any saving throws against effects that would deal psychic damage with advantage.
• You are immune to the Charmed condition, magically inflicted Frightened condition, and any other effects that would compel the you to certain actions or emotions such as the Zone of Truth and Dissonant Whispers spells. If such an effect was already active when you started burning copper, you suppress its effects until you stop burning copper.

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Active Effect: You may use your action to increase the radius of the Coppercloud to 30 feet until the start of your next turn. After spending a charge on this effect, you may use this action again any number of times during the next 10 minutes without consuming any charges of Copper.

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Flare: You may use your bonus action to Flare your copper during your turn, expending two additional charges, immediately ending any effects Copper would make you immune to and becoming proficient in Intelligence and Charisma saving throws until the start of your next turn.

Bronze

Internal Mental Pushing metal

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Duration: 10 minutes / 10 charges

Each charge lasts 1 minute instead of 1 round

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Passive Effect:

While burning Bronze, you can feel and even vaguely see magic, in the form of pulses similar to drum beats.

• Any magical effect, object or creature within 60 feet will give off Allomantic Pulses. You will hear these pulses as well as see vague ripples in the air. The strength and patterns of pulses depends entirely on the magic causing them, generally stronger magical effects give off stronger/louder pulses, whereas their rhythm and speed is related to the effect the magic has and/or what spell school it belongs to.
• If you cannot see the source of pulses, the DM may ask you for a Wisdom(Perception) check if you want more than vague information about the location of the source. You always know the direction and whether or not the source is within 10 feet of you.
• This sense cannot pierce Copperclouds.

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Active Effect: You may use your Bonus Action to focus on the Allomantic Pulses, allowing you notice spells being formed before they finish casting. Until the start of your next turn, any spell attacks made against you have disadvantage and you have advantage on strength and dexterity saving throws against magical effects.

Alternatively, you may use an Action to focus on Allomantic pulses given off by a creature to determine whether it is a spell effect or if they are burning Allomantic Metals.

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Flare: You may use an action and four charges to Flare Bronze. For the next minute you detect Allomantic pulses up to 300 feet away, and may use subsequent actions to focus on specific pulses to determine whether their source is a permanent enchantment (like most magical items) or an ongoing but temporary spell (like most concentration spells)

Zinc

External Mental Pulling metal

Duration: 10 minutes / 20 charges

Each charge lasts 1 minute instead of 1 round

Passive Effect: Zinc allows an Allomancer to pull on another creatures emotions, enhancing them. This is called Rioting.

While burning Zinc, describe to your DM which feelings you are trying to enhance in a creature you are attempting to influence. These would be subtle pulls that don’t have lasting effects, but may help steer the conversation in a direction you want, and potentially even give you advantage on ability checks related to it (Most likely Persuasion, Deception, Intimidation and Insight), or maybe you try to influence the creature in the wrong way, make it think like its emotions are irrational and out of character and become incredibly suspicious and/or freak out. Emotional Allomancy is tricky.

A creature immune to the Charmed condition cannot be Rioted.

When in doubt whether or not a creature should be realizing its emotions are being tampered with, the DM may resolve it with an Insight check against a DC he feels is appropriate to the situation.

Allomancers can push or pull on very specific emotions. The obvious would be anger, happiness and sadness, but an Allomancer can also Riot or Soothe a creatures feelings of trust, weariness, suspicion, nervousness, arousal, nostalgia, guilt, fear, love and so on.

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Active Effect: You may use an action to have your Rioting and Soothing affect creatures of your choice within 15 feet of a point you can see. You decide which feelings to affect for the entire group, you cannot affect separate creatures differently. Maintaining your hold on their emotions requires your Concentration, as if it were a spell, and the continuous burning of Zinc and/or Brass, but no additional actions.

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Flare: You may expend an additional two charges to Flare your Zinc while Rioting emotions to make them significantly more powerful. All creatures must make a Wisdom saving throw against a DC of 8 + your proficiency modifier + your charisma modifier. Those that fail are either Frightened or Charmed by everyone, you choose (For all creatures together, not individually). Maintaining this requires your Concentration, as if it were a spell, continuous burning of Zinc and an additional charge at the start of every turn while you concentrate on it. Creatures that cannot see you may use their action to repeat the saving throw against this effect, ending it on themselves on a success. When the effect ends on a creature or it succeeds on the initial saving throw, they become aware that their emotions were tampered with but won’t know the source. If you are still concentrating on the effect, the creatures will still feel those emotions but realize they are not real and therefore not be affected by the conditions.

Brass

External Mental Pushing metal

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Duration: 10 minutes / 20 charges

Each charge lasts 1 minute instead of 1 round

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Passive Effect:

Brass allows an Allomancer to dampen a creatures emotions, which is called Soothing.

Brass is used in more or less the same way as Zinc, you will just have to target emotions differently; Soothing those you don’t want, instead of Rioting those you do want. Depending on the situation, Brass can be more effective than Zinc at affecting conversations with NPCs, like with extremely frightened, angry or nervous creatures.

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Active Effect: The same as Zinc; It allows either one or both metals to be used at the same time if you have them.

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Flare: You may expend three charges to Flare your Brass while Soothing, creating an effect like the Calm Emotions spell. The saving throw DC for it is 8 + your proficiency modifier + your charisma modifier, you must Concentrate on it as if it were a spell, and it lasts as long as you are burning Brass.

Noble Metals

All of the Noble metals create images of people from different times, which are all referred to as “[metal] shadows”.

Gold

Internal Temporal Pulling Metal

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Duration: 10 charges, 1 minute per charge.

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Passive Effect:

You see images of yourself around you. These “gold shadows” are generally images of you in the present had something gone differently in your past, often showing Allomancers more succesful gold shadows of themselves as well gold shadows that went down a worse path in life.

While burning gold you are completely entranced by the gold shadows, becoming completely oblivious to your surroundings. Another creature touching you while burning gold will shock and scare you, as you will not be able to tell what touched you, and still be too fixated on the gold-shadows to be able to see reality. Touching a gold shadow has “unpleasant side effects”, to put it nicely. You get broken visions of things that may or may not have been; Perhaps the decision that caused the difference between you and the gold-shadow, perhaps something completely unrelated, usually traumatic.

Allomancers may become mentally addicted to burning gold, the trance-like state being a good escape from reality, showing you what you could’ve been instead of who you really are.

Due to the trance-like state you enter when burning gold, to stop burning it you must make a Wisdom Saving throw with a DC of 15. >ou may only make this saving throw once every minute, when you need to burn a charge to extend golds effect.

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Active Effect: Gold has no active effect.

Platinum

External Temporal Pushing Metal

Duration: 4 charges

Passive Effect:

One of the most powerful metals there is, making you near invulnerable while burning it, but for an incredibly short time.

While burning Platinum you see images/”shadows” of all creatures and objects in sight, not as they are but as they will be a second or two from now. For most stationary objects you therefore won’t see the platinum shadows, as they don’t move and meld perfectly into their source.

You see everything that would move before it does; Creatures and objects alike. You see arrows fly through you a second before they do, you can see exactly how a creature will attack you or where it will run.

In addition, Platinum enhances your mind and body to be able to make use of all this additional information, granting you incredible reflexes.

While burning Platinum you gain the following benefits:

• If you are going to burn Platinum on your first turn of combat, you have advantage on the initiative roll and cannot be surprised. (The platinum has to already be ingested before the initiative roll)
• You can make attacks of opportunity against enemies even if they Disengage or have features that prevent them.
• You don't provoke attacks of opportunity

Active Effect: You may take a 2nd reaction every round while burning platinum, but you can't take both reactions against the same trigger.

Flare: You may at any point burn any number of charges of platinum and roll an equal amount of d20s. Note down the results. Before the end of your next turn you may replace the result of any attack roll, ability check or saving throw you make or is made against you with the result of one of these d20s. (No action required) Each result can only be used once.

Against others who see the future

You do not gain any of platinum benefits against a creature that can predict its own or your imminent future with precision; If a creature can see what either of you will do within the next second, it can change it’s decision, creating another platinum-shadow, which in theory you can react to differently, giving it a new vision of your and its own future, allowing it to change its own future, creating yet another platinum-shadow.

Facing such a creature will cause it to create near-infinite platinum-shadows, making it impossible to tell its future. However, the creature cannot tell yours either, the effects practically cancel each other out.

As soon as something leaves direct control of such a creature, it becomes predictable again; So you do gain benefits against projectile attacks and spells that you can see.

Knowing of this near invulnerable state affects your mind; You will always feel somewhat unsafe and paranoid if there is any chance of fighting anyone else who could be using Platinum (or a similar power) without having any yourself, as it would be nearly impossible to win such a fight, let alone survive. Having platinum readied will ease this paranoia.

Malatium

External Temporal Pulling Metal

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This (fictional) metal is 50% platinum, 50% silver, therefore costing half a platinum coin to prepare. This alloy isn't used by non-allomancers and has to be made by the allomancer themself or commissioned.

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Duration: 10 charges, 1 minute per charge.

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Passive effect: You see images around other creatures, usually a younger self of the creature, perhaps even more images if the creature went through significantly distinct phases in its life (An old man might have an image of himself as a happy teenager, a soldier, and a farmer with a family)

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Active effect: You may use your action to Flare your Malatium, expending two charges. The images you see around creatures change to be more similar to the effect of gold, allowing you to see who the creature could have become had they made different choices in their past.

Atium

In the novels this class was based on, Atium was used in place of Platinum, a metal that was the physical manifestation of a god. I've changed it to Platinum in this homebrew to avoid using fictional metals, but if your campaigns world has fictional metals, feel free to replace platinum and malatium with some other rare or powerful metal.

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Alternative Temporal Metals

God-metals such as Atium technically aren't part of the 16 Allomantic Metals, which means there are two other temporal metals: Cadmium and its alloy Bendalloy. I've chosen to use Atium and Malatium as the default instead because Cadmium and Bendalloy disrupt the initiative order and force things to revolve around the allomancer. I've included their effects in the DMs section further below; Discuss with your DM and other players which pair of temporal metals you would prefer to be used. Bendalloy can create some cool combos.

Electrum

Internal Temporal Pushing Metal

Duration: 10 charges, 1 minute per charge.

Passive Effect:

You see an image of your future around you, showing you what you will be doing one second from now.

• You have advantage on dexterity saving throws if you can see the source.
• You cannot be surprised.
• Your imminent future cannot be told since you can see it and choose to act differently; Effects such as burning Platinum will see multiple different futures, making them useless.

Having Electrum readied will ease the paranoia of potential platinum users, since it provides a defense against them.

Enhancement Metals

The enhancement metal group revolves around interacting with magic, including other allomantic metals.

Aluminum

Internal Enhancement Pulling Metal

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Duration: ?? charges (1 in practice)

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Active Effect:

Burning aluminum immediately ends all temporary magical effects on you, destroys all Allomantic Metals in your body, and cures metal poisoning. This does not use your action.

Duralumin

Internal Enhancement Pushing Metal

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Duration: 5 charges

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Active Effect:

Any metal being burned at the same time as Duralumin is depleted entirely over the course of your turn for a massive surge in power.

State which actions, bonus actions, etc. you wish to take. If you plan to perform multiple active effects and/or flares that require an action of any sort during your turn and would consume charges of the same metal(s), split the total amount of charges left evenly between all effects, rounding down. When an effect mentions a number of charges, you use this divided number.

• Iron: Ironpulled creatures and objects move 10 feet further and deal 1d6 more damage than normal per charge. You move by the same distance towards the target and take 1d6 bludgeoning damage for every 10 feet you prevent yourself from moving via counter-pushing/pulling, being anchored, etc. Attack rolls for Ironpulls are made with advantage.
• Steel: Steelpushed creatures and objects move 10 feet further and deal 1d6 more damage than normal per charge. You move by the same distance away from the target and take 1d6 bludgeoning damage for every 10 feet you prevent yourself from moving via counter-pushing/pulling, being anchored, etc. Attack rolls for Steelpushes are made with advantage.
• Tin: Unless you are in an area with near to no sound and light, you take 4d6 Thunder damage and are blinded, deafened and stunned until the start of your next turn due to sensory overload. A regular speaking voice or gust of wind is enough to deafen, any dim light within 100 feet in front of you is enough to blind you.
• Pewter: Your strength score, including maximum, increases by the number of charges spent until the start of your next turn. Additionally, you reduce all non-psychic damage you take until the start of your next turn by half of the total, undivided number of Pewter charges spent.
• Copper: Your Coppercloud becomes an antimagic field (Like the spell) until the start of your next turn, but doesn’t affect your Allomancy.
• Bronze: You start feeling allomantic pulses for ambient magic/The Weave, practically causing sensory overload; You make attacks, ability checks and saving throws with disadvantage until the start of your next turn. Your DM may allow you to sense incredible sources of magic, even at immense distances, if such exist in your world. (Ley lines, the body or soul of a god, fonts of power, etc.) These would manifest as incredibly loud/strong pulses.
• Zinc: The DC for saving throws made against your Rioting increases by 1 for every two additional charges spent, and if those effects normally deal damage they deal 1d6 extra damage for every charge spent if it affects only a single target, and 1d6 for every three charges spent for area effects. (Split charges between multiple mind rends)
• Brass: You remove all emotion from a creature until the start of your next turn; Six seconds it will never forget; Six seconds of lucid death. After those six seconds, the creature will forever be Frightened by those six seconds and whatever it believes caused them. It may use its action make a Wisdom saving throw against 8 + your proficiency modifier + your charisma modifier, if it succeeds it can suppress its fear for one hour.

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Temporal Metals: All of these put you in a trance shortly; You cannot communicate or perform any actions in this time, any creature attempting to read your mind will be stunned until the start of your next turn by the overload of information, and be incapable of remembering and/or understanding what it saw. This trance uses your action, but not the rest of your turn.

• Gold: For a precious few moments, you fully understand how you came to be the person you are, which events shaped your life and personality. This may make you come to peace with decisions made in the past, or cause even greater distress; Decide for yourself if a moment of ultimate self reflection will leave your character confident in their choices or not. You lose all knowledge you gained during this burst of gold after it finishes, but you keep the general feeling you attained from this reflection.

Chromium

External Enhancement Pulling Metal

Duration: No duration, 5 charges

Passive Effect: None

Active Effect:

Burning Chromium causes you to nullify magic that you use your action to touch.

• Touching an Allomancer will destroy his ingested Allomantic Metals, 2 metals per charge of Chromium spent, starting with the last ones he actively used.
• Touching something magical while burning Chromium has the same effect as using Dispel Magic, the number of Chromium charges spent are used as both the spell level of the Dispel Magic and the modifier you add to your roll when trying to dispel higher level magic.
• You may use your reaction to try and destroy a spell cast on you. You automatically negate any spell cast on you that is equal to or lower level than the number of Chromium charges used. If the spell is too high level for that, you make an ability check using the chromium charges spent in place of an ability modifier against a DC of 10+the spell’s level, negating it on success. Negating a spell this way only prevents it from affecting you; if the spell had an area effect or targeted multiple creatures, everything other than you is still affected.
• When a creature within 5 feet of you attempts to cast a spell, you may use your reaction to touch the creature, replicating the effects of the spell Counterspell, using the number of Chromium charges spent as it’s spell level and the modifier when rolling to interrupt a higher level spell.

Flare: You may burn up to five Chromium charges when making use of its active effects.

Nicrosil

External Enhancement Pushing Metal

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Duration: 10 charges

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Passive Effect: None

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Active Effect: Nicroburst

Touching a creature using magic while burning Nicrosil makes it pump far more power into magic than it would normally.

• Touching an Allomancer causes his Allomancy to act as if he were burning a charge of Duralumin until the start of your next turn.
• Touching a creature capable of casting spells causes the next spell it casts before the start of your next turn to be empowered. The creature expends an additional spell slot of a level equal to the number of Nicrosil charges used, increasing the spells level by the level of the additional spell slot. This allows spells to go past 9th level. If the creature does not have an available spell slot of the same level as Nicrosil charges spent, it uses its highest level one that doesn’t exceed the number of spent Nicrosil charges. If the creature uses a cantrip, a spell slot is still expended to empower the cantrip, using the same change as the cantrip undergoes at level 5 for every two spell levels (Usually just one additional damage die)

If a creature is unwilling to be touched by you, make a melee spell attack against it with advantage to apply these effects on a hit, using your strength or dexterity modifier (your choice) + your proficiency modifier as your attack bonus.

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Flare: You may burn up to five charges of Nicrosil when using its active effect.

Mixed

These specialties affect multiple metals, and count towards the requirements of other specialties for all metals listed.

Lurcher

You may use your reaction to attempt to Ironpull a projectile or melee weapon during an attack on another creature. Ironpulling a melee weapon causes the attack to have disadvantage. A projectile that gets Ironpulled is instead redirected towards you and automatically hits. You reduce the projectile attacks damage by 1d8 + your dexterity modifier + 3x your shields AC value/bonus.

When you take the dodge action, you may Flare your iron, spending three additional charges. Doing so allows you to Ironpull projectiles without using your reaction until the start of your next turn, and those Ironpulls don’t consume additional charges.

Mass Ironpull

Requires: Flaring

You may use your action to perform a Mass Ironpull. Select a cube area and Flare your iron, expending an additional charge for every five feet of length on single side of the square (minimum one charge). You Ironpull all eligible objects of your choice in that area. When determining whether the Allomancer is pulled or not, do so for each object individually instead of for all of them together; An Allomancer can easily stagger all the pulls to avoid combining the resisting force, allowing him to pull objects totalling multiple times his weight as long as each individual object is light enough.

If multiple objects were to collide with a creature, it must make a dexterity saving throw of 8 + Your Proficiency Modifier + Your dexterity Modifier or take 4d6 bludgeoning damage. Your DM may raise or lower the number of dice as he feels appropriate, and/or apply half damage on a successful save if an incredibly large amount of objects is pulled (such as a bags worth of ball bearings or caltrops).

Try not to kill yourself.

Steel

Coinshot

Requires: Flaring

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Every piece of metal becomes a dangerous weapon when near an Allomancer, even something as small as a coin. Especially something as small as a coin; Such small objects become incredibly fast.

You may use your action to Flare your steel, expending three charges to push on a large number of metal objects in a one foot cube, such as a quiver of arrows or a bag of ball bearings, caltrops or coins. The objects shoot out in front of you, dealing 4d6 piercing, slashing or bludgeoning damage to all creatures in a 5 foot wide 120 foot long line in front of you. Creatures may make a Dexterity Saving Throw agains 8 + Your proficiency modifier + Your Dexterity modifier to halve the damage.

Damage type depends on the type of object; the examples listed would all be piercing due to practically being bullets, a stack of iron ingots or spoons would likely be bludgeoning, a stack of thin metal sheets would deal slashing damage, etc.

Deflect

Requires: Steel 1

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You may use your reaction to Steelpush when a creature makes an attack with a metal weapon or projectile. A pushed projectile attack automatically misses, an attack made with a held weapon that is pushed automatically misses unless the attacker succeeds on a Strength Saving Throw against your Steelpush DC. On a success the attack is made with disadvantage instead.

Steel Bubble

Requires: Steel 2

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You may use your bonus action to Flare your Steel, expending three charges, and continuously Steelpush on objects very close to you, not including any objects you wear or carry, in order to deflect attacks. Until the start of your next turn, ranged attacks made with metallic projectiles have disadvantage against you, and you have half-cover against attacks made with metallic weapons and projectiles.

You must concentrate on this effect as if it were a spell, and continuously burn steel.

As Far As The Eye Can See

While burning tin, you can make out details of creatures and objects up to a mile away as if you were only ten feet away from them.

Polygraph

While burning tin, you can focus and hone in on the quietest of noises and the slightest vibrations, like heartbeats.

• You gain Tremorsense out to 30 feet while burning Tin, letting you “see” things that are in direct contact with any surface you are touching. Your character may start walking barefoot, or even just have a hole for one toe to touch the ground cut into his shoes.
• You become proficient with Insight checks and add double your proficiency bonus to Insight checks made while burning Tin, by listening to even the slightest changes in heartbeats and breathing.
• Tin’s Active Effect and basic Flare can be used for Insight checks.

Sonar

Requirements: Tin 1

You may use your action to Flare your tin, expending two additional charges and allowing you to hear all sounds within a one mile radius until the start of the next turn. During this time you may try to pinpoint a certain sound, like someone's voice; If you can hear it, you know exactly how far away it is and what direction it's coming from.

Tineye

The darkvision granted by burning tin increases by 60 feet, the blindsight by 10 feet, and you get the ability to see through magical darkness while burning tin.

Tracker

You become proficient in Survival checks, and add twice your proficiency bonus to Survival checks made to track creatures, forage or perform any other activity that benefits from enhanced senses while burning Tin.

Whenever you are tracking creatures, you can tell exactly how many creatures you are tracking and their sizes.

Abs of Pewter

Requires: Flaring

You may use your reaction when taking damage to Flare your Pewter, expending two charges and reducing the damage by 1d8 + your proficiency modifier.

Heavy Lifting

You count as one size larger for grappling, and when determining your encumberance and the amount of weight you can push, pull, lift.

Pewterarm

Requires: Level 20, Pewter 2

Pewters passive bonuses to Strength and Constitution increase by 3, to a total of 8. Speed Metals AC bonus while using Dexterity to determine your AC increases by 2, to a total of 4.

Pewter Drag

When you burn Pewter, you may forego all of the normal bonuses and enter a Pewter Drag instead, pushing your body to its limits until you complete a short rest or stop burning Pewter.

While Pewter Dragging, your speed, jump height and distance triple, you suppress any levels of exhaustion and you cannot take any actions other than the Dash or Use an Object actions, and no bonus actions or reactions. Each charge of Pewter lasts ten minutes while Pewter Dragging.

You immediately gain a level of exhaustion for Pewter Dragging and gain more if you run for too long, gaining one level of exhaustion every two hours this way. You cannot exceed six levels of exhaustion this way, and can keep Pewter Dragging even while at six levels of exhaustion.

Coppermind

Your mind and body have attuned themselves to the power of Copper.

• You become completely immune to psychic damage while burning Copper,
• You now also gain proficiency in Wisdom Saving Throws for the duration of the basic Copper Flare.
• You have greater control over the size of your Coppercloud. You may change its size during your turn (no action required) to anywhere between doubling its usual radius and making it small enough to extend past your skin, affecting only your body. This can be used together with its Active Effect, for a potential 60 foot radius Coppercloud.

Smoker

Requires: Flaring

You may use your bonus action Flare your Copper, expending two additional charges to make everyone in your Coppercloud take half damage from spells and magical effects until the start of your next turn.

Copper Wave

Requires: Flaring

You may use your action to Flare your Copper, expending two additional charges to suppress all magical effects with a duration on creatures within the Coppercloud until the start of your next turn, as if your Coppercloud were the Antimagic Field spell.

If any suppressed effects allow the creature to make a saving throw during their turn to end the effect, they may make an additional saving throw at the end of your turn as well while under the effect of this specialty.

Seeker

You've become an expert at reading and recognizing Allomantic Pulses, even those emitted by regular magic.

You gain proficiency in the Arcana skill, and double your proficiency bonus when making Arcana checks while burning Bronze.

When you use your action to focus on Allomantic Pulses, you learn what spell school the magic effect belongs to if it belongs to one, in addition to the usual information.

You have advantage on ability checks made to find magic or interact with magical objects while burning Bronze.

Magic Rhythm

You learn to play to the beats of Allomantic Pulses, creating rather unique music.

While your Bronze is revealing Allomantic Pulses you have advantage on performance checks made to sing or play an instrument if you’re proficient with it.

You gain proficiency in the Performance skill, or double your proficiency bonus to ability checks made with it if you already are proficient.

Confusion

Requires: Level 9, Zinc 1

You may flare your Zinc while Rioting creatures, expending four additional charges to amplify all of their emotions.

All affected creatures must make a Wisdom Saving Throw against 8 + Your Proficiency Modifier + Your Charisma Modifier or be affected by the Confusion spell.

The confusion lasts as long as you burn Zinc and concentrate on it as if it were a spell. You must also spend an additional charge at the start of your turn to maintain it.

Disruption

When a creature within 60 feet of you that you can see makes an attack roll or ability check, you may use your reaction to expend a charge of Zinc and enhance an inappropriate emotion, such as love while attacking.

Roll a d4 and subtract it from the result of your targets roll. This die changes to the allomancy die of the Rust and Ruin class feature when you get it.

Mindmelt

Requires: Level 7

You may use your action to flare your Zinc, expending three charges to Riot all of a single creatures emotions to extreme levels.

It must make a Wisdom Saving Throw against 8 + Your Proficiency Modifier + Your Charisma Modifier or take 4d6 psychic damage and fall prone, stunned and screaming. The creature takes half damage on success.

Rioter

Requires: Flaring

You may use your action to flare your Zinc, expending an additional charge, to Riot a creatures feelings of anger, rage, frustration and such, inciting aggressive behavior.

Terror Metal

Requires: Flaring

When you cause the Frightened condition through flaring your Zinc, you may choose to expend two more charges to force affected creatures to drop whatever they are holding, and on their turns they must use their action to run as far away from the nearest creature as possible while frightened, or cower in fear if they cannot see any creatures or run anywhere.

Soother

Requires: Flaring

You may use your action to flare your Brass, spending an additional charge to instantly Soothe all of a creatures emotions. You suppress the Charmed and Frightened condition until the start of your next turn on that creature. The creature immediately stops doing what it is doing, surprised by its lack of emotion. It will most likely quickly re-evaluate its actions, perhaps choosing differently. The creature does not regain any emotions until the start of your next turn and will act significantly more rationally until then.

The creature can take it’s turn as normal, and can continue doing what it was doing before if that seems like the best choice to it while no emotions are involved.

The Great Depression

Requires: Flaring

You may use your Brass to Soothe a number of creatures within 60 feet of you equal to the radius (in feet) of your Soothing action (15 if you have nothing that increases it), soothing their emotions to make them apathetic and less likely to react to events in their surroundings. You do not expend any charges on this, but you have to use your action and concentration (as if it were a spell) on your turns to do so.

Note to the DM: This may be crazy

On the other hand, they are 17th+ level, they can cast ridiculous magic like Wish and Meteor Swarm, and they just used two actions to cast a single (very strong) spell through replenishable resources. When deciding whether this is OP or not, think about what else the Allomancer could've done: What is worth more, multiple attacks, a Metal Storm, some Duralumin insanity, or those extra dice on that spell?

Feel free to ban this specialty, or increase the charge cost to 4x or 5x, if it does end up being a problem.

Foreword

This section will cover additional content and optional rules for the DM to consider, some of which may help integrate the class into the world.

Lerasium:

10 beads of this existed, and were what created Allomancers. Anyone could burn this metal upon ingesting it, making them into a full Allomancer. All future allomancers descended from the people who burned these beads of Lerasium.

Lerasium mainly affected ones soul and magical abilities.

You could use an alloy of Lerasium (or a metal named after a god in your setting) that would burn out immediately but enhance a persons soul/body, granting a permanent effect.

• Increase to Attack Rolls and Save DCs of all allomantic effects(or just specific ones)
• Increase the amount of charges one can get out of a single use of a metal,
• Granting a non-allomancer allomancy (see the mistings section),
• Granting an allomancer another Allomantic Specialty; Perhaps alloy Lerasium with the metal the specialty is for
• Granting an increase to an ability score or HP,

Lerasium is a good replacement for +1 weapons / wand of the war mage if the Allomancer isn’t focusing on Pewter (In which case regular +1 weapons are fine; In fact, due to the additional hit bonuses from the strength bonus of pewter, the Allomancer may slightly break bounded accuracy using Pewter if given magic weapons with + to hit, similar to ranged characters with the archery fighting style and/or magical ammunition, so be careful)

One other cool feature could be allowing an Allomancer to burn a single type of metal without preparing it (i.e. be able to just swallow mundane beads of metal whenever he or she wants and be able to use its power, not having to sacrifice slots on that metal). Be careful with this one, as the strength of metals is balanced around their durations (Pewter and platinum not lasting very long, for example) and the fact that they all compete with each as the Allomancer can only prepare a limited amount of metals, which before level 9 is less than the number of useful metal available. Unlimited access to Pewter and Tin specifically may cause the Allomancer to become too powerful in non-combat scenarios.

Atium:

Well, this is awkward… I’ve renamed it to Platinum up above, it also had an alloy of itself revealed (Malatium) in the books.

Platinum and Malatium aren’t actually golds and electrums counterparts, Cadmium and Bendalloy are. I will write their effects a bit further down if you wish to use those instead of Atium/Platinum, as mentioned in the green box near their description, but their powers are a bit awkward in DnD. I've playtested them, both with the players and enemies using Bendalloy, which created a lot of unique situations, but if a player with access to Bendalloy uses it too much he might piss off the entire table OOC.

Atium was the physical manifestation of the “evil” god (Lerasium being part of the “good” god), therefore technically not a power granted by Leras. Due to Atium being so incredibly powerful for Allomancers, and being incredibly rare (only a single mine of it existed in the entire world, and the immortal “Lord Ruler” controlled it rather strictly) most of the worlds economy revolved around it. The ruling class valued Atium over everything, because it was the only thing that could save their lives against a Mistborn burning Atium as well. (Nobles were not aware of Electrum; They only knew the basic 8 metals, Gold and Atium.) Atiums connection to the god was not known; in fact, the gods existence was not known, everyone worshipped the immortal Lord Ruler, who supressed all other religions.

You may choose to rename Platinum to a fictional metal like Atium, and then let the allomancer discover additional alloys of it as item rewards. Atium and the God who created it was a scheming bastard, which is why the metal itself lets you see the future. The god itself was called Ruin. Maybe you can homebrew some fitting effects for the additional alloys.

Aluminum

The novels this class is based on, and all worlds within the same universe ("the cosmere") have aluminum as a kind of "anti-magic" metal; It is immune to most magical powers, whether its a steelpush or a lightsaber-esque sword.

The people in the Mistborn novels used tinfoil hats (which, contrary to their name, are made out of aluminum, not tin) to shield themselves from mental allomancy (Yes, this works), and the metal has been used in other novels as well to interfere with magic. It is up to you whether you want to use this in your world; If allomancers are common enemies, particularly coinshots and lurchers, your players may be happy to find some weapons and armor made out of aluminum. Or maybe they can get an aluminum box to hide magic items in from NPCs/Enemies that can detect magic.

Lerasium and God Metals

As mentioned above, a consumable metal that has a permanent effect on the allomancer can work as loot. These could be metals created by the Gods, or legendary in some other form. Scales from metallic dragons are a great opportunity.

The permanent effect could be access to a new metal; The next two chapters have some example metals and guidelines for making new metals. Or you could use those guidelines to create a metal with an incredibly powerful effect, but give the Allomancer very limited amounts of it.

I will list some example effects for metal based rewards:

Shield of the Nibbler

Shield, Rare

An old iron shield that looks like it has had a tough life, and has the symbol of Allomantic Iron imprinted in it. The shield seems to automatically infuse itself with a small amount of magic.

Once per long rest, you may take a bite out of the shield as a bonus action, ingesting one unit of Allomantic Iron. If you attempt to bite it again before your next long rest, it will feel just like biting into actual metal, unlike the first time when it was nice and soft, like rusty cake.

The shield can consume powdered iron during a long rest to regrow parts that were bitten off.

Coin of Returning

Uncommon, Requires Attunement

An old steel coin with the symbol of allomantic iron imprinted on it, for some strange reason.

If the coin is not in your possession at the start of your turn, as long as you are on the same plane of existence, it will take the shortest possible path to you, harmlessly landing on your belt and staying magically attached to it until you remove it.

It will avoid all creatures and obstacles on the way, moving up to 500 feet in one turn.

The coin can be swallowed and burned as if it were a unit of Allomantic Steel. This permanently destroy the coin.

Band of Mourning

Ring, Legendary, Requires Attunement

This ring is said to have belonged to the first Allomancer ever, a man whose name was lost to history and now only known as "Lord Ruler". The strange alloy this ring is made of still carries the magical energy from ancient times.

While wearing this ring, you gain a +3 bonus to hit and damage with attacks made through allomancy, such as steelpushes, ironpulls or pewter enhanced weapon attacks, as well as to the save DC of all allomantic effects.

You may swallow this ring, permanently destroying it and granting you a unit of all sixteen Allomantic Metals.

The Alloy of Law

Artifact, Rare

A strange metallic construction that is roughly L shaped. The shorter end fits perfectly in your hand. The longer side is a long, hollow metal cylinder that connects to another thicker cylinder above the shorter end. The thick cylinder has six holes in it that can be lined up perfectly with the long section. Inside the corner of the L shape is a pin within reach of your index finger while you're holding this object, pulling it rotates the thicker cylinder so that the next hole lines up with the hollow of the thinner cylinder. On top of the thin cylinder are markings that help you perfectly line up the entire length of the object with your eye.

You quickly realize you can fill the six holes of the thicker cylinder with metal beads and steelpush them out of the longer, hollow bit, using the pin to rotate the next bead into position.

Using this contraption greatly increases your accuracy. You gain +2 to hit when attacking creatures by steelpushing pieces of metal out of this object.

Ring of Hathshin

Ring, Very Rare, requires attunement

A simple steel ring with a number of thin, long scratch marks.

While wearing this ring you gain a +2 bonus to hit and damage with attacks made through allomancy, such as steelpushes, ironpulls or pewter enhanced weapon attacks, as well as to the save DC of all allomantic effects.

Quicksilver Amulet

Amulet, Very Rare, requires attunement

A silvery amulet with the symbols of Allomantic Steel and Iron on it.

While wearing this amulet and using the standard Flare effect of iron or steel, you may make expend one more charge than normal for a third steelpush or ironpull.

Seekers Talisman

Amulet, Rare, requires attunement

While wearing this amulet, the range of your darkvision granted by Tin, Metalsense and Allomantic Bronze increase by 60 feet.

Gambler's Coinbox

Uncommon

A small wooden box. When shaken you can hear the sound of a small object rattling around in it.

You may use an action to shake it and speak its command word. A panel on its front will open, revealing a metal coin. Roll a d12 and consult the Mistings table to determine what Allomantic Metal the coin is made out of. The box won't produce another coin until you finish a long rest, at which point any coins it has created disintegrate.

You may swallow and burn the coin even if you do not have its metal unlocked yet.

Example Group: Fire Metals

Allomantic Specialties

Create Allomantic specialties similar to Quick Iron and Steel to allow using Palladium and White Gold as a bonus action, and specialties such as Metal Storm and Confusion to allow the casting of Wall of Fire, Cone of Cold and Investiture of Flame and -Ice

Feruchemy

Feruchemy is the last type of magic from the books, one which does not mix well with Dungeons and Dragons. Feruchemy is about storing attributes (Such as Strength, Speed, Health, Memories, Determination) in pieces of metal (usually jewelery) and then withdrawing it later. While storing the attributes, you physically lose them (And your body adjusts as necessary, storing strength for example makes you actually lose muscle mass. Withdrawing/”Tapping” strength turns you into the Hulk, so Feruchemists tend to wear loose clothes). This is obviously problematic in DnD because the strength of the character depends entirely on how much downtime the character has, and since we’re not fully emulating real life in this game storing attributes is significantly less problematic than in the books.

If you find this type of magic interesting though and want to make an NPC using it, here’s a link to a wiki page of it.

Feruchemy is significantly simpler mechanically than Allomancy, so you should have no trouble converting it to a D&D character. Just read the attributes in the table: That is what can be stored, and generally any amount can be withdrawn at once.

v1.1, 2nd of July, 2018

• Pewters damage reduction is no longer capped, affects poison, grants advantage versus poisons and supresses the poisoned condition while active. (The poison changes are more for thematic purposes than balance. The damage reduction cap was implement shortly before posting the first version, thinking that straight damage reduction might be too strong at low levels. After playtesting it feels unnecessary, and the damage cap just makes the feature feel really bad. The d6 hit die is already a big enough penalty for having access to pewter.)
• Pewters bonus action dash is now a Flare effect, requiring two charges, replacing its previous flared dash. (Being able to dash as a bonus action is pretty strong, and it having such a low cost compared to monks felt a bit unfair. And then being able to double-dash as an action made Allomancers insanely fast; which is cool but a bit too much... Let's let monks and rogues be faster, or at least equally fast)
• The Weak Iron and Steel specialty had its wording fixed; It now clearly states that the Allomancer can make all pushes and pulls harmless, instead of just pushes and pulls that would harm the Allomancer specifically.
• Tin's passive effect now states that it lets the Allomancer process information a lot faster, which was lightly implied before but probably unclear to people that haven't read the novels.
• Removed mentions of the Heavy Metal and Death Metal features; Those were removed before I posted the pdf, but still referenced in 3 places (Heavy Metal and Death Metal were rolled into Rust and Ruin; They were the d6 and d8 respectively. Having the dice changes be single class feature was cleaner.)

V1.2, 14th October, 2018

• Zinc and Brass now last a full minute per charge. Brass' flare costs three charges, up from two.

Zinc and Brass felt pretty awful in practice; It was nearly impossible to have either burning throughout a conversation, since conversations tend to last longer than 2 minutes. Their basic effects just couldn't live up to what they were supposed to do without dedicating your entire loadout to one of the two metals, and then you'd barely make it through a single conversation before having used up all your resources, which isn't the case for using other metals for utility / RP.

V1.3, 6th June, 2019

V1.3.1, 16th November, 2020

• Changed the wording on Coppermind, giving the Allomancer full control over the size of the Coppercloud.
• Changed the wording on Copper Wave to imply its effects are lost when leaving the Coppercloud.
• Reworded Duralumin to explicitly state the extra charges are split between active effects only, not any passive effects.