SFS Standard Pocket Vacuum [two-actions] Spell 6

Traditions arcane, divine, primal
Range 120 feet
Area 20-foot burst
Defense basic Fortitude
Duration 1 minute

You create a sudden vacuum, forcing creatures in the area to hold their breath or fall unconscious and start suffocating. The explosive decompression deals 5d12 bludgeoning damage to each creature in the area when the spell is cast or that enters the area during the duration (unless they were already in a vacuum), with a basic Fortitude save. Creatures who critically fail the save are also knocked prone.

Heightened (+1) The damage increases by 1d12.