You bleed your foe with a wicked strike, exposing a fatal flaw in its armor.

Daily   ✦     Martial, Weapon
Standard Action      Melee weapon

Target: One creature

Attack: Strength vs. AC

Hit: 3[W] + Strength modifier damage, and ongoing 5 damage (save ends).

Effect: Until the end of the encounter, when you or an ally hits the target, it takes ongoing 5 damage (save ends).

Published in Player's Handbook, page(s) 149, Class Compendium.