Needs review
Source: Way of the Ninja

Description: Sometimes the best way to get past an obstacle is to destroy it

Prerequisites: Power Attack, Base Attack Bonus +8, Improved Feint, Improved Sunder

You may spend a Void Point when making an attack to use this feat. If the attack is successful, you may forego damage to do one of the following: Direct the attack directly against your opponent's armor, inflicting double damage against it. Cause your opponent to be unable to fight defensively or cast defensively for three rounds Negate all of your opponent's uses of feats that provide dodge bonuses to Armor class for three rounds.