Needs review
Source: Way of the Open Hand

Description: You can start to use your enemy's strength against them

Prerequisites: DEX 13, Improved Unarmed Strike, Sebun-do Novice, Heal (5 ranks)

Required for: Sebun-do Advanced, Sebun-do Expert, Sebun-do Master

When making attacks of opportunity, you may add your opponent's strength modifier (as well as your own) to your unarmed damage rolls.