Guan Yu knows that the man who gave Master Jiu this book of immortal skill must be the founder of Yunqingmen, Master Jiu. What happened afterwards is unknown, and it should not be just because of a woman, Master Jiu came here to watch the ancestral temple of Master Jiu.

"Master Jiu, isn't it a waste of storing so much knowledge in your study? Guan Yu said.

"What about waste?" Master Jiu seemed reluctant to say, "Since ancient times, no one who has the ability to teach all his learning will teach future generations. It is impossible for future generations to learn much from their ancestors and retain something. Therefore,...