Frostbite

An orb of biting cold coalesces around your target, freezing its body. The target takes 2d4 cold damage with a basic Fortitude save. On a critical failure, the target also gains weakness 1 to bludgeoning until the start of your next turn.

Spell Effect: Frostbite

Heightened (+1) The damage increases by 1d4 and the weakness on a critical failure increases by 1.