Cold Snap

A flash of frost erupt for your eyes and a explosion of sub zero temperatures takes place in an unoccupied space . Each creature in a 40-foot-radius sphere centered on that point must make a Dexterity saving throw. A target takes 10d8 cold damage on a failed save, or half as much damage on a successful one.

The frost spreads around corners and freezes anyone that failed the saving throw. When frozen, the creature must make a strength saving throw at the end of there turn to free themselves.

At Higher Levels. When you cast this spell using a spell slot of 7th level or higher, the damage increases by 1d8 for each slot level above 6th