Devour Light

Shadows and wisps of dark energy gather and begin to swirl within a 20-foot-radius sphere centered on a point within range. Any magical or non-magical sources of light within the radius are instantly snuffed out, as a silent explosion of darkness erupts within it. Any creature within the radius must make a Constitution saving throw. On a failed save, a creature takes 6d12 necrotic damage. On a successful save, a creature takes half damage. Until the beginning of your next turn, the radius becomes magical darkness.

At Higher Levels. When you cast this spell using a spell slot of 6th level or higher, the damage increases by 1d12 for each slot level above 5th.