Your attack undermines your foe's confidence in attacking anyone but you. Using more psionic energy, you can stun the foe.

At-Will   ✦     Augmentable, Psionic, Weapon
Standard Action      Melee weapon

Target: One creature

Attack: Constitution vs. AC

Hit: 1[W] + Constitution modifier damage, and you mark the target until the end of your next turn.

Augment 2

Hit: 2[W] + Constitution modifier damage, and you mark the target until the end of your next turn.

Special: When making an opportunity attack, you can use this power in place of a melee basic attack.

Augment 6

Hit: 2[W] + Constitution modifier damage, and the target is stunned until the end of your next turn.

Published in Player's Handbook 3, page(s) 56.