You can 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 amount of information revealed depends on how long you study a particular
area or subject.
Each Additional Round: The mechanism or trigger for one particular secret portal closely examined by you. Each round, you can turn to detect secret
doors in a new
area. 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.