Short Blade Mastery
You have mastered the unrivaled speed of a short blade.
Prerequisites:
DEX 18, Character must be 9th level or higher, A Sword Saint's "Focus" Class feature, Weapon Focus, Weapon Training class feature with a Short Sword, Gladius, Butterfly Sword, or a Waveblade.
Benefits:
Whenever performing a Full-Attack action, you gain one additional attack at your lowest BAB.
Special:
This feat can only be used if you still have rounds of Focus for the day.