Blade of Dark Triumph

Transmutation [evil]
Level: Antipaladin* 3
Components: V, S
Casting Time: 1 Standard Action
Range: touch
Target: your fiendish boon weapon
Duration: 1 minute/level
Saving Throw: Will negates (harmless)
Spell Resistance: no
  You strengthen the bond between your fiendish boon weapon and its unholy spirit. The weapon gains the ghost touch property.
  You may change your weapon's damage type (bludgeoning, piercing, slashing) as a Swift Action. You gain a Profane Bonus to your CMD against Disarm and Sunder attacks directed at your boon weapon; this bonus is equal to half your Caster Level.