You thrash your opponent, leaving him barely able to move.

Encounter   ✦     Martial, Weapon
Standard Action      Melee weapon

Requirement: You must be wielding a two-handed weapon.

Target: One creature

Attack: Strength vs. AC

Hit: 1[W] + Strength modifier damage, and the target is slowed and weakened until the end of your next turn.

  Weapon: If you're wielding an axe, a hammer, or a mace, the attack deals extra damage equal to your Constitution modifier, and you knock the target prone.

Published in Martial Power, page(s) 19.