View source for Perfect Defense

{{Feat
|name=Perfect Defense
|type=Combat
|flavor=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 {{Bracket|Encounter}}, as an 
[[immediate action]], you may force target opponent activating the Charge combat maneuver within {{Bracket|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 {{Bracket|Encounter}}, as an [[immediate action]], you may cause target opponent within {{Bracket|Medium}} range to lose any bonuses to damage from the [[Power Attack]] or [[Deadly Aim]] 
combat maneuvers for one {{Bracket|Round}}.

At 10th [[level]], you may use each of these abilities twice per {{Bracket|Encounter}}.
}}