Battle Medic

With nerves made of steel and calm hands you become able to provide aid even in the heat of battle quickly. You gain the following benefits.

You get a plus one to charisma, intelligence or wisdom.

First aid-  You learn the spare the dying cantrip. Additionally as a reaction when a creature within 15 feet of you drops to 0 hit points you may cast it on them.

Proficient Healer- when you roll a 1 on a die for a spell or ability that restores hit points you may reroll it amd you mist use the new number.

Swift Care- You can administer potions and salves to yourself or others as a bonus action instead of an action.