Yamato

Evocation Casting Time: 1 action Range: 60 feet (30-foot radius) Components: V, S, M (a snowflake preserved in glass) Duration: Concentration, up to 1 minute A howling blizzard fills a 30-foot radius centered on a point you choose. Creatures in the area must make a Constitution saving throw at the start of their turns, taking 3d10 cold damage on a failure (half on success) and gaining 1 level of exhaustion. The ground becomes icy, turning it into difficult terrain for the duration.