Preternatural Senses
Ranger Utility 22
Employing all your senses, you are aware of the unseen and the silent.
Personal
Prerequisite: You must be trained in Perception
Effect: Until the stance ends, you gain blindsight 5 and a +5 power bonus to Perception checks.
Preternatural Senses is a daily power available to rangers at the 22nd level.[MP:54]