Divine Infernum

Flame-like radiance consumes a creature that you can see within range. The target must succeed on a Dexterity saving throw or take 10d8 radiant damage and be blinded. The damage increases to 10d12 against fiends. The target gains no benefit from cover for this saving throw.

On a successful save the target takes half damage and is not blinded. 

The spell's damage increases by 2d8 or 2d12 for each spell level above 6.