Wall of radiance

You create a wall of bright light on a surface within range. You can make the wall up to 80 feet long, 30 feet high, and 1 foot thick, or a ringed wall up to 25 feet in diameter, 30 feet high, and 1 foot thick. The wall is opaque and lasts for the duration.the wall emits bright light within 10 feet of its edge.

When the wall appears, each creature in its area makes a takes 3d6 radiant damage and makes a constitution saving throw, and has the blinded condition for 1 round on a failed save.

A creature also takes that damage and makes the constitution save if it ends its turn inside the wall. A creature takes the same damage when it enters the wall for the first time on a turn.

Using a Higher-Level Spell Slot. The damage increases by 1d6 for each spell slot level above 3.