Dark Void

You send the mind of a creature into a world of darkness, damaging them before you put them to sleep. All creatures within 30 feet must make a wisdom saving throw against your spell DC taking 2d10 psychic damage and fall asleep. On a failure the saving throw, they take half damage and do not fall asleep. 

at higher levels the spell damage increases:
level 5 3d10
level 10 5d10
level 17 7d10