Detect Secret Door

Standard Action | V, S | 60 ft | Cone
Concentration, 1 Minute/level | None | No
Detect secret doors, compartments, caches, and
so forth. Only passages, doors, or openings that have been specifically constructed to escape detection are detected by this spell. The spell can penetrate barriers, but 1 foot of stone, 1 inch of common metal, a thin sheet of lead, or 3 feet of wood or dirt blocks it.