Bojutsu Chikara Strike

You have perfected the Bojutsu Chikara Stance, allowing you to unleash devastating strikes with unmatched power.   Feat Type: Combat   Prerequisite: Bojutsu Chikara Stance, Strength 17  

Benefit:

Once per round, while in the Bojutsu Chikara Stance, as part of a melee attack (or full-attack), you unleash a blow with your quarterstaff or bo staff with immense force. Before the chosen attack hits, declare you are using the strike. If the attack hits, you deal double damage, including any bonuses from your Strength modifier.  

Special:

The ability granted by this feat can be used an additional time per day for every 4 character levels you possess beyond 3rd.