(General)
You know how to perform deadly strikes against even the most nebulous of targets.
Prerequisites
Weapon Focus, base attack bonus +12.
Benefit
Choose one weapon with which you have the
Weapon Focus feat. When you strike an opponent that has a chance of negating critical hits or sneak attacks, such as from the fortification armor special ability, reduce that chance by 25%. Treat creatures that are normally immune to critical hits and sneak attacks as instead having a 75% chance to negate the critical hit or sneak attack, taking only the attack's normal damage.
Special
You can take this feat multiple times. Each time you take the feat, it applies to a different weapon.