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SPHERE OF AIR [GENERAL]
You may transform your unused spells into a pocket of air that extends around you, allowing you and others within it to breathe normally despite environmental conditions.
Prerequisites: Caster level 3+.
Benefit: You may, as a free action, sacrifice any prepared spell in order to create a magical sphere that extends around you a number of feet equal to your caster level plus your Intelligence or Wisdom modifier (whichever is higher). For a number of rounds equal to the level of the spell sacrificed this sphere holds breathable air, allowing you and all others within the sphere to breathe normally. If created within an adverse condition, such a as a toxic cloud or underwater, this sphere or air transforms whatever is within the affected area into harmless, breathable air.
This magical sphere ceases to exist only when it expires or you are rendered unconscious or slain. The sphere generated by this feat has no further effect beyond containing a pocket of breathable air around you.
