Lens of Discernment
When you look through this lens at an unknown creature, the truth about the creature is suddenly clear to you.
Wondrous Item 5,000 gp
Utility Power Encounter (Minor Action)
Effect: You hold the lens up to a creature that you can see. You gain a +10 power bonus to monster knowledge checks to identify that creature until the start of your next turn.
Published in Adventurer's Vault, page(s) 174, Mordenkainen's Magnificent Emporium, page(s) 86.