Laugh It Off is an utility power available to the Barbarian class at level 6.[PHH1:PH1]
Laugh It Off
Barbarian Utility 6
You laugh at your foe's attack, making even its mightiest effort seem pointless against your boundless endurance
Personal
Trigger: You are hit by an enemy's attack.
Effect: Reduce the triggering attack's damage by an amount equal to your Constitution modifier. You gain a +2 power bonus to your next attack roll and damage roll against the triggering enemy made before the end of your next turn.