Ember Bomb

You lob a collection of ash and soot at a spot within range, causing an explosion with a 15ft radius sphere. Every creature within this radius makes a Dex save else take 8d6 fire damage and be blinded for a minute, making a Con save at the end of each turn to try to end this blindness. On a pass, they take half damage and are not blinded.

At higher levels For each spell level higher than 3rd used, deals an extra d6 damage.