Combat Strike

 
Prerequisite(s): Combat Focus, Base Attack Bonus 15+, Wis 13+, any two other Combat Form feats.
 
Benefit: If you choose to end your combat focus as a swift action, you gain a bonus on attack rolls and damage rolls equal to your total number of combat form feats for the rest of your current turn. You immediately lose all BENEFITS: of combat form feats that affect you only while you are maintaining your combat focus.
 
Special: A fighter can select Combat Strike as one of his fighter bonus feats.
 
Source: PHB II