Abjuration [Cold]
Level: Sorcerer 7, Wizard 7
Components: V, S, M$, Coldfire
Casting Time: 1 standard action
Range: 10 ft.
Area: 10-ft.-radius spherical emanation, centered on you
Saving Throw: None
Spell Resistance: No
A 10-foot-radius globe of swirling coldfire surrounds you, granting you and anyone inside the globe spell resistance 25 against all fire spells and spell-like effects. In addition, any creature using a fire-based supernatural ability on a target inside the globe (such as a breath weapon) must also make a caster level check to affect the target. The globe does not offer protection against natural heat and fire, including immersion in lava.
Material Component: A pinch of sulfur.
Coldfire Component: One ounce of coldfire (50 gp).
Source: Frostburn, page 96.