Abyssal Storm

A hail of abyssal souls, ripped from their bodies, slam to the ground in a 20-foot-radius, 40-foot-high cylinder centered on a point within range. Each creature in the cylinder must make a Dexterity saving throw. A creature takes 2d8 bludgeoning damage and 4d6 necrotic damage on a failed save, or half as much damage on a successful one. A creature must repeat their saving throw and take damage if they end their turn inside of the storm.

Souls turn the storm's area of effect into difficult terrain until the spell's end.

At Higher Levels. When you cast this spell using a spell slot of 5th level or higher, the necrotic damage increases by 1d6 for each slot level above 4th.