ZSF has never lost a fight ... at 70 yo, he has no opponent left and all his fight was win within 1 - 3 stances ... at 100 yo he reach his pinnacle when he created Taiji ... and his internal energy of 100 is number 1 in JY story, except for Xu Zhu and Duan Yu who has absorbed others energy. Remember the #1 sweeping monk is only 90 yrs internal energy. Jin Yong meant to write ZSF as #1 ...