C427 The Early Emergence of the Dragon Island
Xuan's lecturer was Leng Ziwen, Chunyangzi and Ming Fengqiu who attended the lecture. The two of them belonged to the family.
Only Xuan could train Leng Ziwen after taking in a disciple. However, when Leng Ziwen only recited the Ice Arrow Secret Manual once, Xuan immediately knew how to use it