Corona

You wreath yourself in a fleeting aura of heat and radiance, damaging, exhausting and blinding everyone in your vicinity.

Each creature adjacent to you must succeed on a constitution saving throw or suffer 2d8 fire and 2d8 radiant damage instantly,  and the equivalent of 2 levels of exhaustion until the start of your next turn. A successful save reduces the damage taken by half, and the exhaustion level to 1.

Additionally, each creature within 30 feet, that can see you, must succeed on a dexterity saving throw to quickly avert their gaze or become blinded by sunlight (bright light) until the start of your next turn.

At higher levels. when you cast this spell using a 6th level spell slot, increase the area of effect for both effects by 5feet respectively, the damage increases to 4d8 fire and 4d8 radiant damage, and the level of exhaustion increases to 4, half on a ucccessful save.