Sawbones

Sawbones Rogues bring their backalley anatomical knowledge to the battlefield, as skilled in vivisections as they are in autopsies. Study the corpses of your foes to gain advantages against them in combat.

Street Doc

Using your anatomical knowledge you can now perform autopsies, this requires a corpse, a healer’s kit and takes 30 minutes. If successful you gain knowledge of the creature, weaknesses, resistances and stats, and you can use your sneak attack against creatures of it’s type, or race if it’s a humanoid, as long as you don’t have disadvantage on the attack.

You may only have this bonus against one type of creature at a time.

 

Additionally you gain proficiency in Medicine skill, or a skill from the Rogue skill list if you already have Medicine proficiency.

Just like a Real Doctor

You can now operate a Healer’s Kit using your cunning action, when doing this a willing target within 5 feet of you is healed an amount equal to your proficiency bonus times 2. You can do this up to a number of times equal to your proficiency bonus, and you regain all expended uses of it when you finish a long rest. You may also use your cunning action to administer a healing potion to a willing target within 5 feet of you.

First do no Harm

By 9th level your medical knowledge aids you further in combat, when attacking with benefit from an autopsy, you may add your Wisdom Modifier to your attack rolls.

You also add your Wisdom Modifier to healing done via your cunning action.

Surgical Prescision

By 13th level your uncanny accuracy and steady hands allows you to improve your sneak attacks against creatures you have autopsy benefits against, you may reroll any 1s in your damage roll, you have to use the new roll.

Miracle Worker

By 17th level you learned to exploit every weakness in a creature’s body, Against creatures you have autopsy benefits against you can treat any roll of 19 as a crit, and you can benefit from autopsies on two different creatures at once.