Visage of Death

You Assume the visage of Azanothan the Protean Destroyer make a ranged spell attack against a creature you can see. The Target must make a DC 18 Wisdom Check or take 50 points of Necrotic damage if the target is reduced to 0 hit points the being crumbles to dust as the necrotic energies consume it.

At Higher Levels. When you cast this spell using a spell slot of 7th level or higher, the damage increases by 10 points of necrotic damage for each slot level above 6th.