Testing your enemy's defenses as you weave your weapon in and out, you lash out with a sudden attack that leaves your foe in pain.

Encounter   ✦     Martial, Weapon
Standard Action      Melee weapon

Target: One creature

Attack: Strength vs. AC

Hit: 2[W] + Strength modifier damage.

  Weapon: If you're wielding a polearm or a heavy blade, the target is immobilized until the end of your next turn.

Published in Player's Handbook, page(s) 79, Class Compendium.