Primal Instincts
Bloodthirst
When you use you persistent rage feature, you also gain the following benefit until the rage ends:
You regain a number of hit points equal to your rage potency whenever an enemy creature is reduced to 0 hit points within 15 feet of you.
Rage Power: Bloodthirst
Starting at 11th level, you can use a reaction to move up to your speed and make a melee attack with advantage against a creature within your reach when another creature within 30 feet of you is reduced to 0 hit points.