Fire Storm
7th-level evocation
Casting Time: 1 action
Range: 150 feet
Components: V, S
Duration: Instantaneous
A storm of fire appears within range. The area of the storm consists of up to ten 10-foot Cubes, which you can arrange as you like. Each Cube must have at least one face adjacent to the face of another Cube. Each creature in the area makes a Dexterity saving throw, taking 7d10 Fire damage on a failed save or half as much damage on a successful one. Flammable objects in the area that aren't being worn or carried start burning.
Classes: Cleric, Druid, Sorcerer