Invisibility Purge(Player's Handbook v.3.5, p. 245)
Level: Cleric 3, Knight of the Chalice 3, Savant 3 (Divine), Apostle of Peace 3,
Components: V, S,
Casting Time: 1 standard action
Duration: 1 min./level (D)
You surround yourself with a sphere of power with a radius of 5 feet per caster level that negates all forms of invisibility. Anything invisible becomes visible while in the area.