White Raven Hammer(Tome of Battle: The Book of Nine Swords, p. 94)
White Raven (Strike)
Level: Crusader 8 (Three White Raven maneuvers), Warblade 8 (Three White Raven maneuvers),
Casting Time: 1 standard action
Range: Melee attack
Target: One creature
Duration: 1 round
You slam your opponent with a mighty attack to disrupt his senses and leave him unable to defend himself while your allies close to finish him off.
As part of this maneuver, you make a single, devastating strike against an opponent. The raw force of this blow knocks him senseless. Your attack deals an extra 6d6 points of damage and stuns your opponent for 1 round.