A storm of fire appears in a location you choose. The area consists of up to ten 10-ft Cubes arranged as you choose (Concentration, N/A — instantaneous). Each creature in the area makes a DEX save, taking 7d10 Fire damage on a failure or half on a success. The fire damages objects in the area and ignites flammable objects not being worn or carried. If you choose, plant life in the area is unaffected.