Arcana Utility 2Arcane Senses
You refocus your eyes to see magic energy invisible to the untrained eye, learning how many magical creatures are nearby.
Minor Action Personal
Effect: You make an Arcana check and learn the number of elemental, fey, and shadow creatures that are within a number of squares of you equal to the check result. You don’t learn the creatures’ locations, but you do learn separate counts for each type.
Published in Player's Handbook 3, page(s) 165.