Glacial Blast

Glacial Blast is a 4th-level spell cast by Tiberius Stormwind.

Description
Glacial Blast requires one action to cast, with verbal, somatic, and material components. The material component is a crystal ball, which is shattered upon casting.

The caster points their hand and unleashes a blast of ice in their choice of a 120 foot line or a 60 foot cone. Each creature in the area of the spell must make a Dexterity saving throw. On a failed save, a creature takes 6d8 cold damage and becomes restrained in ice. The restrained creature can use its action to make an Athletics check, freeing itself on a success. A creature that succeeds on the save takes half as much cold damage and is not restrained.

When cast at higher levels, the spell deal 1d8 additional damage for each slot level above 4th.

Appearances

 * Critical Role — Campaign 1: Vox Machina
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Trivia
A similar spell was later officially added to Dungeons & Dragons in Fizban's Treasury of Dragons, called Rime's Binding Ice.