Mastered the forbidden art of "Pressure Point Displacement" (秘孔変位, Hikō Hen'i?). He was the one that took Pan Yu-Ling's memory because he fell in love with her, but also because he thinks this is a fitting punishment to Kenshiro. He got his wish to "fight someone worthy of taking my life" granted by the Old Taoist Fortune Teller. He was already dying from a slow decaying death from his self inflicted pressure points by then. (( en.wikipedia ))