You break your adversary's resolve with a ferocious strike.

Encounter   ✦     Martial, Weapon
Standard Action      Melee weapon

Target: One creature

Attack: Strength vs. AC

Hit: 4[W] + Strength modifier damage, and you can choose an effect on the target that a save can end. The target fails its next saving throw against that effect.

Published in Player's Handbook, page(s) 152, Class Compendium.