ability
Healer
Use healing supplies effectively and improve healing rolls.
Origin feat.
Battle Medic. With a Healer's Kit, take the Utilize action and spend one kit use to treat a creature within 5 feet. The creature may expend one of its Hit Point Dice; you roll it, and the creature regains HP equal to that result plus your Proficiency Bonus.
Healing rerolls. When a spell or your Battle Medic benefit restores HP, you may reroll any healing die that shows 1. You must accept its replacement result.