Aura of Evasion

(Spell Compendium, page 18, DnD 3.5)

Abjuration

Level: ; Cleric 5; Sorcerer/Wizard 6
Components: V, S, DF
Casting Time: 1 standard action
Range: 10 ft.
Area: 10-ft.-radius emanation centered on you
Duration: 1 minute/level
Saving Throw: No
Spell Resistance: No

"Stay together," you shout, and intone the words of this spell, casting the crushed gemstone in the air at its conclusion. You are all bathed in a silver-green nimbus of light.

You and all creatures within 10 feet of you gain evasion, but only against breath weapons. (If a breath weapon would normally allow a Reflex saving throw for half damage, a creature within an aura of evasion that successfully saves takes no damage instead.) Creatures within the spell's area that already have evasion or improved evasion get a +4 bonus on Reflex saving throws against breath weapons.

Material Component: Powdered emerald worth 500 gp.