You are wreathed in cold, purple fire that damages creatures near you. You take 1d6 cold damage each round for the duration of the spell. Creatures within 5 feet of you when you cast the spell and at the start of each of your turns while the spell is in effect take 1d8 cold damage.
Using a Higher-Level Spell Slot. When you cast this spell using a 3rd-level spell slot, the purple fire extends 10 feet from you, you take 1d8 cold damage, and other creatures take 1d10 cold damage. When you cast this spell using a 4th‐level slot, the fire extends 15 feet from you, you take1d10 cold damage, and other creatures take 1d12 cold damage. When you cast this spell using a slot of 5th level or higher, the fire extends to 20 feet, you take 1d12 cold damage, and other creatures take 1d20 cold damage.