You point a finger at your foe, and a gaping pit opens beneath him. The pit is merely a figment of his imagination, but he plunges into the darkness nonetheless until, at last, he hits the bottom.

Daily   ✦     Arcane, Fear, Illusion, Implement, Psychic
Standard Action      Ranged 20

Target: One creature

Attack: Charisma or Constitution vs. Will

Hit: 4d8 + Charisma modifier or Constitution modifier psychic damage, and the target is stunned until the end of its next turn and knocked prone.

Miss: Half damage, and the target is dazed until the end of its next turn.

Update (8/15/2011)
Updated in Class Compendium.

Published in Player's Handbook, page(s) 141, Class Compendium.