Troll Tooth Necklace

Wondrous item, very rare (requires attunement)

Lore. Certain druids craft these necklaces from the teeth of gluttonous trolls, imbuing the crude bauble with some of the titanspawn‘s essence.

Powers. At the start of each of your turns, provided you have at least 1 hit point, you regain 1d4 hit points.