A bright streak flashes from your pointing finger to a point you choose within range then blossoms with a low roar into an explosion of flame.
Each creature in a 20-foot radius must make a Dexterity saving throw. A target takes 8d6 fire damage on a failed save, or half as much damage on a successful one. The fire spreads around corners. It ignites flammable objects in the area that aren’t being worn or carried.