Fighter Attack 1Comeback Strike
A timely strike against a hated foe invigorates you, giving you the strength and resolve to fight on.
Daily Healing, Martial, Reliable, Weapon
Standard Action Melee weapon
Target: One creature
Attack: Strength vs. AC
Hit: 2[W] + Strength modifier damage, and you can spend a healing surge.
Published in Player's Handbook, page(s) 78, Class Compendium.