Frostbite

-Range 60 ft; Targets 1 creature; Defense Fortitude

An orb of biting cold coalesces around your target,
freezing its body. The target takes 5d4 cold damage
with a basic Fortitude save. On a critical failure, the
target also gains weakness 4 to bludgeoning until
the start of your next turn.
Heightened (+1) The damage increases by 1d4 and
the weakness on a critical failure increases by 1.