Ring of Shroud (5e Equipment)

Ring, uncommon

A dark silver ring with a pink crystal, while using this ring, you can spend a reaction and one charge of the ring to cause 1d6 necrotic damage to a target of a spell you hit in the same turn, however if the target is an undead you heal 1d6 of its health points. The ring has 8 charges, and it regains 1d6 expended charges daily at dawn.