Cryptmist Phial
Wondrous Item, rare, (single use recharge)
Effect 1: When you break this phial, a 20-foot radius cloud of necrotic mist spreads and lingers for 1 minute.
While in the mist:
Undead you control are healed 5 HP per round.
Living creatures must make a DC 15 Con save or take 2d8 necrotic damage at the start of their turns.
To recharge this item level 2 spell slot must be used.