Apothecary's Amulet (5e Equipment)

Wondrous item, rare

While attuned to and wearing this amulet, your maximum hit points increases by a number equal to your player level, and you gain 2d10 hit dice to add to your pool. Whenever you receive healing for any reason, you regain an additional 2 hit points for each dice rolled, or for each 10 hit points received if no dice were rolled.