Ancient Mountain Hammer

(Tome of Battle: The Book of Nine Swords, p. 81)

Stone Dragon (Strike)
Level: Crusader 7 (Three Stone Dragon maneuvers), Swordsage 7 (Three Stone Dragon maneuvers), Warblade 7 (Three Stone Dragon maneuvers),
Casting Time: 1 standard action
Range: Melee attack
Target: One creature or unattended object

You put the weight of a great mountain behind your attack, pounding through armor and bone.

As part of this maneuver, you make a single melee attack. This attack deals an extra 12d6 points of damage and automatically overcomes damage reduction and hardness.