Unleash Spirits

You evoke the power of ambient elemental spirits to harass your enemies. When you cast this spell, all creatures within 30 feet of you must make a Charisma saving throw; taking 2d6 cold, 2d6 fire, 2d6 lightning, and 2d6 thunder damage on a failed save, or half as much on a successful one. 

At Higher Levels. When casting this spell using a spell slot of 4th level or higher, the radius affected by this spell increases by 30 feet for each slot level above 3rd.