Otiluke's Polar Screen
5th-level evocation (Sorcerer,Warlock,Wizard)
- Casting Time: 1 action
- Range: 50 feet
- Components: V, S, M (a small diamond)
- Duration: Concentration, up to 1 minute
You create a 20 foot by 20 foot wall of ice crystals that form, shatter, and form again. A creature coming into contact with the wall must make a Constitution saving throw. They take 3d10 cold damage and half their movement cut in half for 1 minute if they fail the save, and half as much damage and no movement penalty if they succeed.