Arcane Senses
Arcana Utility 2
You refocus your eyes to see manic enemy invisible to the untrained eye, learning how many magical creatures are nearby.
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.
Arcane Senses is an encounter power available to characters trained in arcana at second level.[PH3:165]