Needs review
Source: Way of the Open Hand

Description: You know your limits allowing you to push harder when you need to push them

Prerequisites: Base Attack Bonus +4, Improved Unarmed Strike, Tasaii-do Novice, Tasaii-do Intermediate

Required for: Tasaii-do Expert, Tasaii-do Master

For every three points by which you lower your attack bonus when using Power Attack, Combat Expertise or similar abilities while fighting unarmed, the bonus you receive is increased by one.