Sinister Blade
A sinister blade is a rogue that have mastered the art of throwing knives, moving and kill faster from young age. A sinister blade is raised up to serve as living weapon from empires or noble houses. You are quite strong in ranged and melee fight, that makes you a perfect assassin, ambusher and multi enemy fighter but mostly, you are loyal to your master or kingdom.
Living Blade
Also at 3rd you are quite skilled in handle throwing weapons, you can extract or sheathe up to 2 weapon with the thrown property on your turn. Thanks to your loyalty training you are considered proficient in any saving throw when you make it against charm effects.
Flurry of Knives
At 3rd you can throw a flurry of knives against your enemies. As an action, you throw 6 darts or knives in a 15-foot-cone in front of you, each creature makes a Dexterity saving throw, on a failed save it takes your sneak attack dice halved (rounded down).
Preparation
At 9th you have tested poisons efficacy in tiny increments upon yourself, gradually building a resistance and knowledge about their effects. You have advantage on saving throws against poison effects, resistance to poison damage and also proficiency with poisoner's kit.
Blood Lotus
At level 13th When you apply your Evasion feature to a Dexterity saving throw you make, you can use your reaction to create a whirlwind of blades around you. You can also do this when you use your Uncanny Dodge feature, as part of the same reaction. Each creature within 5 feet of you must make a Dexterity saving throw against your save DC or suffers your main weapon damage or half as much damage on a successful save.
Voracity
At 17th once per turn after you kill a creature, until the end of your next turn you have 10ft more movement and your next weapon attack can score a critical hit on a roll of 19 or 20 and if you miss, you can reroll that attack once as part of the same attack.
Rogue DC
Some of your features require your target to make a saving throw to resist the feature's effects. The saving throw DC is calculated as follows:
8 + your proficiency bonus + your Dexterity modifier
Balanced Blade
Weapon (dagger or short sword), uncommon
The shape and weight of this blade make it perfectly balanced to do its work. When you throw this blade, on hit you inflict 1d4 extra slashing damage, and when it falls the blade sticks on the ground making its collection immediate.
Sinister Blade v1.2, a roguish archetype
Made by u/ranikirn
Image credits: Riot Games