Divine Surge(Tome of Battle: The Book of Nine Swords, p. 58)
Devoted Spirit (Strike)
Level: Crusader 4 (One Devoted Spirit maneuver),
Casting Time: 1 standard action
Range: Melee attack
Target: One creature
Your body shakes and spasms as unfettered divine energy courses through it. This power sparks off your weapon and courses into your foe, devastating your enemy but leaving you drained.
As part of this maneuver, you make a single melee attack that deals an extra 8d8 points of damage.