Improved Opportunistic Trickery

Improved Opportunistic Trickery
When your opponent lets down its guard, you open it up to additional attacks.
Prerequsites: Combat Reflexes, Opportunistic Trickery
Benefit: Whenever an opponent provokes an attack of opportunity from you, once per turn you can sacrifice the attack to reduce the target’s Reflex Defense by 5 until the end of the target’s next turn.
Normal:
Special: