Nei, esse Feat aqui � a cara do seu personagem:

COUNTERSTRIKE [General]
You are adept at making your opponents pay for their mistakes in melee combat.
Prerequisites: Dex 15+, Expertise
Benefits: Once per round, whenever one opponent misses in melee (not missile) combat, he creates an immediate attack of opportunity for you at your highest attack bonus.
Special: You must have an attack of opportunity available to you in the round to make use of this feat.