It was difficult to have a definite answer as to who was the number one expert in Jin Yong's novels because each novel had its own unique setting and ranking method. However, if he had to choose the most famous expert, he would probably choose Duan Yu from the Demigods. Duan Yu was a famous character written by Jin Yong. He was born in the Dali Kingdom and was a talented martial arts expert. He was proficient in the martial arts of the Duan family of Dali and had also learned many different martial arts manuals, including the Eight Heavenly Dragons, the Nine Yang Scripture, and so on. He was nimble, had profound internal energy, and was skilled in swordsmanship. He could easily deal with all kinds of situations. Duan Yu was known as the " number one expert in the world " in " The Eight Dragons ". He was also one of the most representative and popular characters in Jin Yong's novels.