You summon a ring of icy mist that freezes enemies that cross its borders. The ring is centered on a point in range that you can see, is 20 feet in diameter, 20 feet high, and 1 foot thick. When the ring appears, each creature within its area must make a Constitution saving throw. For the spell's duration, a creature that enters the ring's area for the first time on a turn or ends its turn within 5 feet of the ring must also make this saving throw. On a failed save, a creature takes 4d8 cold damage and is restrained until the beginning of its next turn. On a successful save, a creature takes half as much damage and suffers no additional effects.

At Higher Levels : When you cast this spell using a spell slot of 6th level or higher, the damage increases by 1d8 for each slot level above 5th.

Classes : Mage