Stabilize Pressure

Abjuration
Level: Alchemist* 2, Artificer * 2, Bloodrager * 2, Cleric */Oracle * 2, Druid * 2, Hunter * 2, Paladin * 2, Ranger * 2, Shaman * 2, Summoner * 2
Components: V, S, M (a piece of shell)
Casting Time: 1 Standard Action
Range: touch
Target: creature touched
Duration: instantaneous
Saving Throw: Fortitude negates (harmless)
Spell Resistance: yes (harmless)

You instantly stabilize the target's pressure, causing it to adjust to its current pressure all at once. This doesn't help it readjust to future pressure changes.