Hole in the Mind
Bard Attack 15
Your maddening chant sears your enemy's thoughts, blinding it to your ally's threat.
Ranged 10
Target: One creature
Attack: Charisma vs. Will
Hit: 3d8 + Charisma modifier psychic damage, and one ally within 10 squares of you becomes invisible to the target (save ends).
Miss: Half damage. One ally within 10 squares of you becomes invisible to the target until the end of your next turn.
Hole in the Mind is a daily power available to bards at the 15th level.[AP:12]