You insert thoughts of defeat into your foes' minds, sapping their will to fight.

At-Will   ✦     Augmentable, Implement, Psionic, Psychic
Standard Action      Area burst 1 within 10 squares

Target: Each creature in the burst

Attack: Intelligence vs. Will

Hit: 1d6 + Intelligence modifier psychic damage, and the target takes a –2 penalty to attack rolls until the end of your next turn.

Augment 1

Hit: As above, and the target cannot make opportunity attacks until the end of your next turn.

Augment 2

Hit: 2d6 + Intelligence modifier psychic damage, and the target takes a penalty to attack rolls equal to your Charisma modifier until the end of your next turn.

Published in Player's Handbook 3, page(s) 83.