For an instant, you take on the weight of stone, allowing you to use your heavier mass to sweep your foe to the ground.

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

Target: One creature

Attack: Constitution vs. Fortitude

Hit: Constitution modifier + Wisdom modifier damage, and you knock the target prone.

Augment 1

Effect: After the attack, you shift 2 squares to a square adjacent to the target.

Augment 2

Hit: 1[W] + Constitution modifier damage, and you knock the target prone.

Published in Player's Handbook 3, page(s) 49.