Perfect Defense [Combat]
You have learned special defensive techniques to make the most of your shield.
Benefit: You are automatically aware whenever an opponent to whom you have line of sight activates the Charge, Deadly Aim, or Power Attack combat maneuver. Once per [Encounter], as an immediate action, you may force target opponent activating the Charge combat maneuver within [Medium] range to end its movement from the Charge at any point during its Charge and forsake any remaining attacks from it.
Additionally, once per [Encounter], as an immediate action, you may cause target opponent within [Medium] range to lose any bonuses to damage from the Power Attack or Deadly Aim combat maneuvers for one [Round].