The long haft of your weapon allows you to strike with enough force to shatter armor and shields like brittle glass.

Encounter   ✦     Primal, Weapon
Standard Action      Melee weapon

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

Target: One creature

Attack: Strength vs. AC

Hit: 3[W] + Strength modifier damage, and the target takes a penalty to AC equal to your Constitution modifier until the end of your next turn.

Published in Dragon Magazine 384, page(s) 39.