You bring your weapon down in a great overhead arc, rooting your foe in place with the weight of your blow.

Encounter   ✦     Primal, Weapon
Standard Action      Melee weapon

Target: One creature

Attack: Strength vs. AC

Hit: 2[W] + Strength modifier damage, and the target is immobilized and grants combat advantage to you until the end of your next turn.

Published in Player's Handbook 2, page(s) 57.