Chaos Scorch

Every creature in a 60ft radius, including the caster, takes fire damage equal to their stacks of chaos, then remove stacks of chaos equal half of the damage taken. Creatures then take additional damage equal to the chaos removed from the caster.
At higher levels: at 8th level creatures within 60ft of the center, including the caster, gain 1d10 stacks of chaos before the damage is dealt, 2d10 at 9th