Arcana Utility 2Cave Sight
You close your eyes, projecting arcane awareness to give you a mental picture of the cavern ahead.
Minor Action Close burst 20
Effect: You learn the general layout of terrain features in the burst. You cannot sense through solid objects, such as cave walls, but you do sense around corners and into narrow gaps. Additionally, you can make a Perception check to detect hidden creatures, objects, and traps as though you were within 10 squares of them.
Published in Into the Unknown: The Dungeon Survival Handbook, page(s) 57.