Dark Claw Tempest

Shadows coalesce into an area of darkness, forming a cylinder or hemisphere centered on a point within range. Each creature of the caster's choice is assailed by images of claws striking at them from the darkness and must make a Wisdom saving throw. A creature takes 6d6 psychic damage or half as much damage on a successful one. 

Using a Higher-Level Spell Slot. The Bludgeoning damage increases by 1d10 for each spell slot level above 4.