Vacuum (5e Spell)

With a sweeping arm gesture, you expel all air from a 40-foot high cylinder with a radius of 20 feet. A wall of magical force expands outwards from the center, hedging out all air, gases and mists but passing through solids and liquids.

Each creature in the area must succeed on a Constitution saving throw or have the air in its lungs sucked out as the barrier passes through it. On a successful save, a creature can hold its breath for a number of minutes equal to 1 + its Constitution modifier (minimum of 30 seconds). On a failed save, a creature has its breath sucked out and it begins to suffocate.

A creature cannot enter the area whilst holding its breath unless it succeeds on a Constitution check against your spell save DC.

The lack of air has a number of other effects:

• Flight that relies upon the existence of air is impossible; any such flying creatures fall to the ground within the affected area.

• All non-magical fires are extinguished. If the area of Vacuum overlaps with the area of a fire spell, the caster may make a spellcasting ability check against your spell save DC: on a success the fire spell persists, but on a failure the effect is dispelled within the affected cylinder.

• Each creature within the area take 1d6 cold damage at the start of its turn and when entering the area for the first time on a turn due to the lack of ambient heat from the air.

• Each creature within the area takes 3d10 necrotic damage at the start of its turn and when entering the area for the first time on a turn due to its bodily fluids evaporating due to the low pressure. Constructs and undead aren’t affected, but plants and water-based creatures take an extra 2d10 damage from this effect.

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