 As he grows older , Zhou becomes dissatisfied with politics because the Imperial court chooses to appease the northern barbarian tribes instead of standing against them . He then devotes himself <unk> to his martial arts practice and creates several official and authoritative techniques including the " five step , thirteen lance piercing kick " , which is a development of Shaolin <unk> boxing , and the " Zhou Tong <unk> . " He makes a <unk> effort to transmit his martial efforts while teaching at the Imperial Martial Arts School and formally accepts two disciples : " Jade Unicorn " Lu Junyi and " Panther head " Lin Chong . Lu Junyi is a millionaire with vast land holdings and does not hold office , but Lin Chong <unk> Zhou 's position after his retirement , and continues to serve as the lead instructor for the 800 @,@ 000 members of the Song army 's Imperial Guard . 
