Illusion Purge(Races of Eberron, p. 187)
Level: Cleric 8, Sorcerer 8, Wizard 8, Truth 7,
Components: V, S,
Casting Time: 1 standard action
Range: 5 ft./level
Area: 5-ft.-radius/level emanation, centered on you
Duration: 1 minute/level (D)
You surround yourself with a powerful sphere of magical clarity that negates all illusions of 7th level or lower. Anything concealed or altered by illusion appears in its natural state while in the area.