Zhang Wuji
The Jiuyang Zhenjing, also known as the "Nine Yang Manual", is a fictional martial arts manual in Jin Yong's "Condor Trilogy". It was first introduced briefly at the end of the second novel "The Return of the Condor Heroes". It plays a significant role in the third novel "The Heaven Sword and Dragon Saber" after Zhang Wuji discovers it and masters the skills in the book.