Crown of ice

Clouds begin to dance as the songs of the fey are unleashed, the land lays silent, The sky tears and becomes frozen. The casters digits begin to cool and turn either blue or black. As the incantation begins to leave their mouth, a Crown forms Upon their head and eyes covered by a sheet of ice.  Each creature in a 20-foot-radius sphere centered on that point must make a Dexterity saving throw. The targets takes 8d4 Cold damage on a failed save, or half as much damage on a successful one. The caster can only see up to 60ft on their next turn, after that, their vision returns.

shards of ice form around the area and the gentle snow storm sets for the 6 hours