Cannibal

When you search a recently deacesed body of a creature that has the same Creature Type and Size as you, you may harvest meat from that creature based on its weight (1 piece of meat for every 50 pounds, rounded down). When eaten by you, each piece of meat will heal you of 1d4 damage and you gain gain 1 + half of your proficiency in bonus temporary HP stackable up to 5 x half your proficiency bonus. Any uneaten meat will spoil 6 hours after harvesting

You may use this feat a number of times equal to your proficiency bonus. Afterwards, you must take a long rest to gain back all uses of this feat.