As he grow older , Zhou become dissatisfied with politics because the Imperial court choose to appease the northern barbarian tribes instead of standing against them . He then devote himself wholeheartedly to his martial arts practice and create several official and authoritative techniques including the " five step , thirteen lance piercing kick " , which is a development of Shaolin Fanzi boxing , and the " Zhou Tong cudgel . " He make a concerted effort to transmit his martial efforts while teaching at the Imperial Martial Arts School and formally accept two disciples : " Jade Unicorn " Lu Junyi and " Panther head " Lin Chong . Lu Junyi is a millionaire with vast land holdings and do not hold office , but Lin Chong inherit Zhou 's position after his retirement , and continue to serve as the lead instructor for the 800 @,@ 000 members of the Song army 's Imperial Guard .