Blood God's Storm

A rain of blood pounds 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 5d8 necrotic damage or half as much damage on a failed save

Tg\he blood turn the storm's area of effect into difficult terrain until the end of your next turn.

At Higher Levels. When you cast this spell using a spell slot of 5th level or higher, the necrotic damage increases by 1d8 for each slot level above 4th. Each additional level requires an extra pint of blood.