You assail your foe's mind with unreal images until he can see nothing else.

Encounter   ✦     Arcane, Illusion, Implement, Psychic
Standard Action      Ranged 10

Target: One creature

Attack: Charisma vs. Will

Hit: 1d10 + Charisma modifier psychic damage, and you and all of your allies in range are invisible to the target until the end of your next turn.

  Fey Pact: You gain a power bonus to Stealth checks equal to your Intelligence modifier until the end of the encounter.

Published in Player's Handbook, page(s) 135, Class Compendium.