The Story of Yue Fei comment Lu Junyi is Zhou 's last student prior to taking on seven @-@ year @-@ old Yue Fei and his three sworn @-@ brothers Wang Gui , Tang Huai ( 湯懷 ) and Zhang Xian ( 張顯 ) . He teach them literary and military lessons on even and odd days . The novel say Yue is talented in all manners of " literary and military matters " and even surpass the skill of Lin and Lu . After Yue acquire his " Supernatural Spear of Dripping Water " , Zhou tutors all of his students in the eighteen weapons of war , but each excels with one in particular ; Yue Fei and Tang Huai , the spear ; Zhang Xian , the Hook @-@ Sickle spear and Wang Gui , the Yanyue Dao . All of them learn the skill of archery in addition . Some of these and other children are mentioned in Yue Ke 's memoir as being his grandfather 's historical childhood friends , but they are never specified as being Zhou 's students .