A growing people

In the most recent years, Half Dragons have been forming communities at an increasing rate. This has created many Half Dragon families, and in turn many adventurers as well due to their drive to ascent to Dragonhood. Usually however, many Half Dragons will start a family and have children, with the mother being persuaded to take care of the children, while the father goes out and provides for his family. Should the mother choose to become an adventurer, then the grandparents or one of the extended family will often take care of them. While they are few in number, they are rapidly increasing their numbers due to a high fertility rate and big families (contraception is taboo for them, as they have a instinctive desire for survival and feel that every number counts). These communities are protected by their elders, some of whom have already ascended to Dragonhood, and make for formidable opponents.

Half Dragon Names

Half Dragon names are usually based on the language of its mortal parent, as Draconic names are often much harder to pronounce. Some Half Dragons who are adopted within Dragonborn clans will instead be given a Dragonborn name:

• Male Names: Arjhan, Balasar, Bharash, Donaar, Ghesh, Heskan, Kriv, Medrash, Mehen, Nadarr, Pandjed, Patrin, Rhogar, Shamash, Shedinn, Tarhun, Torinn
• Female Names: Akra, Biri, Daar, Farideh, Harann, Havilar, Jheri, Kava, Korinn, Mishann, Nala, Perra, Raiann, Sora, Surina, Thava, Uadjit
• Childhood Names: Climber, Earbender, Leaper, Pious, Shieldbiter, Zealous
• Clan Names: Clethtinthiallor, Daardendrian, Delmirev, Drachedandion, Fenkenkabradon, Kepeshkmolik, Kerrhylon, Kimbatuul, Linxakasendalor, Myastan, Nemmonis, Norixius, Ophinshtalajiir, Prexijandilin, Shestendeliath, Turnuroth, Verthisathurgiesh, Yarjerit

Half Dragon Traits

Your draconic heritage manifests in a variety of traits you share with other Half Dragons.

Age. Half Dragons mature at the same rate as their mortal parent's race, but they can live for hundreds of years, up to 1000 years old. A few of those who have transcended into Dragonhood however, have been granted the gift of immortality. Making Dragonhood even more sought out after, but no less difficult to achieve.

Alignment. Most Half Dragons are similar to Dragonborn and tend to extremes, making a conscious choice for one side or the other in the cosmic war between good and evil (represented by Bahamut and Tiamat, respectively). Most Half Dragons are good, but those who side with Tiamat can be terrible villains.

Size. Half Dragons are often taller and heavier than humans, standing well over 6 feet tall, with males being noticeably bigger than females. Your size is Medium.

Speed. Your base walking speed is 30 feet.

Breath Weapon. You can use your action to exhale destructive energy. Your draconic ancestry determines the size, shape, and damage type of the exhalation. When you use your breath weapon, each creature in the area of exhalation must make a saving throw, the type of which is determined by your draconic ancestry. The DC for this saving throw equals 8 + your Constitution modifier + your proficiency bonus. A creature takes 2d6 damage on a failed save, and half as much damage on a successful one. The damage increases by an additional 1d6 at 6th level, 11th level, and 16th level.

After you use your breath weapon, you can't use it again until it's recharged. At the start of your turn, roll a d6. On a 6, you regain the use of your breath weapon. Otherwise, your breath weapon recharges after 1 minute.

Languages. You can speak, read, and write Common and Draconic. Draconic is thought to be one of the oldest languages and is often used in the study of magic. The language sounds harsh to most other creatures and includes numerous hard consonants and sibilants.

Draconic Ancestry

Gold

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• Ability Score Increase. Your Wisdom score increases by 2, and your Strength score increases by 1.
• Draconic Ancestry. Your breath weapon deals fire damage in a 15-foot cone. Your breath weapon imposes a Dexterity saving throw. You have resistance to fire damage.
• Reserved Companion. You have proficiency in Insight. Your racial fire damage (including that in your (true) Dragon Form) becomes radiant damage against Fiends and Undead instead.

Green

• Ability Score Increase. Your Charisma score increases by 2, and your Strength score increases by 1.
• Draconic Ancestry. Your breath weapon deals poison damage in a 15-foot cone. Your breath weapon imposes a Constitution saving throw. You have resistance to poison damage and are immune to the poisoned condition.
• Gifted Trickster. You have proficiency in Deception. You can cast the disguise self spell once with this trait, appear up to 2 feet shorter than normal with it, and regain the ability
  to cast it this way when you finish a short or long rest. Charisma is your spellcasting ability for this trait.

Red

• Ability Score Increase. Your Strength score increases by 2, and your Constitution score increases by 1.
• Draconic Ancestry. Your breath weapon deals fire damage in a 15-foot cone. Your breath weapon imposes a Dexterity saving throw. You have resistance to fire damage.
• Indomitable. You have proficiency in Intimidation. You have advantage on saving throws to avoid being charmed or frightened.

Silver

• Ability Score Increase. Your Intelligence score increases by 2, and your Strength score increases by 1.
• Draconic Ancestry. Your breath weapon deals cold damage in a 15-foot cone. Your breath weapon imposes a Constitution saving throw. You have resistance to cold damage.

• Fascinated by Mortals. You have proficiency in History. When using your breath weapon you may instead choose to target a single creature within 15 feet with numbing gas. It doesn't suffer damage, but must succeed at the DC save or be stunned until the end of your next turn. This special DC increases by 1 for each bonus 1d6 damage on your breath weapon. You may regain this trait after finishing a long rest.

White

• Ability Score Increase. Your Constitution score increases by 2, and your Strength score increases by 1.
• Draconic Ancestry. Your breath weapon deals cold damage in a 15-foot cone. Your breath weapon imposes a Consitution saving throw. You have resistance to cold damage.
• Skilled Hunter. You have proficiency in Survival. As a bonus action, you can move up to your speed toward an enemy of your choice that you can see or hear. You must end this move closer to the enemy than you started.

Dragonsong

Silver Half Dragons have developed their own variation of the Bladesinger arcane tradition, called Dragonsinger, which utilises the power of the Dragon Voice. Only those who speak Draconic can choose this arcane tradition. It is identical to the Bladesinger, except that Bladesong is renamed to Dragonsong, and it allows you to use two hands to make an attack with a versatile weapon without ending the Dragonsong.

Customization Options

The following customization options are available to Half Dragons.

Dragon Form

While all Half Dragons aspire to assuming their rightful True Dragon form, those with enough experience can become blessed with a lesser Dragon form. This form varies in appearance, but it always looks similar to the Half Dragon's draconic ancestry. Sometimes it has wings like a Wyvern, giving it 4 limbs instead of the true Dragon's 6 (wings included). Though other times the Dragon form looks like that of a smaller scale Dragon of their ancestor's type. Regardless, the form drains those who use it, and as such they are only able to stay in it for a limited period of time. Afterwards these Half Dragons require rest in order to regain access to this form. Despite its power and majesty, the Dragon form pales in comparison to the ascension to Dragonhood. And this gift only makes them strive harder to achieve their true and ultimate form.

Feat: Dragon Form

Prerequisite: Half Dragon, 6th level

You are blessed by either Bahamut or Tiamat, granting you a lesser Dragon form of your Draconic Ancestry's chosen dragon.

• You gain 10 ft blindsight.

• You can use your bonus action to change into a 8 feet tall medium sized form of your ancestral dragon. Your transformation lasts for 1 minute or until you end it as a bonus action. You may regain this form after finishing a long rest. Your weapons merge with you, and the magical bonuses of your equipped melee weapon(s) are transferred to your bite attack. This Form does not hinder class abilities or spellcasting, nor the use of spell components. In addition, for each minute that you haven't entered combat while in this form, you may extend its duration by 1 minute, up to 10 minutes total. This form grants you the following benefits:

• You gain a flying speed of 30 feet

• You gain a bite attack as an unarmed strike which deals 1d8 (2d6 if you were wielding a two-handed weapon) piercing damage. Your bite counts as a finesse weapon.

• Your breath weapon deals 1d6 additional damage,
  and immediately recharges after you change
  into your Dragon Form.

• Once per turn, you may deal bonus
  damage of your chosen damage type
  to a single target you’ve damaged,
  for an amount equal to
  your level.

• You gain temporary hit points equal to twice your
  level. During this transformation your AC and other defensive boons remain the same (your scaled body
  parts can be used as your shield), however your AC
  cannot be lower than 13 + your dexterity modifier.

If you ascend to Dragonhood then your True Dragon form will replace this Dragon Form. In which case you may choose a new feat immediately instead of this one.

Epic Boon: Ascending to Dragonhood

All Half Dragons seek to ascend to their Dragonhood, gaining the form and power of a true Dragon of their chosen draconic Ancestry type. The following boon is only granted with the permission of the DM, and as such the following rules are directed at him:

If you (the DM) are using the Epic Boons optional rule from the DMG, then once the half dragon player reaches level 20, you (the DM) may wish to allow them to begin research, training or tribulations which, if completed, would grant them the following Epic Boon:

True Dragon form

You may now cast true polymorph once without expending a spell slot, but it only targets yourself and you must change into your chosen Dragon type. You may exit this form as a bonus action, and after losing this form you regain the ability
                   to cast the spell in this way when you finish a long
                rest. This replaces your Dragon Form
            transformation if you have taken the Dragon Form feat.

Improved Dragonborn:

Due to the current underwhelming state of Dragonborn, it is recommended to use the Improved Dragonborn homebrew in combination with the Half Dragon race: https://i.redd.it/ys209wc2v6n31.png