Who is Master Zhang Wuji?

Song Qingshu, a character in Jin Yong's martial arts novel "Eternal Dragon Slayer". The third generation of Wudang disciples are outstanding. Although he is both civil and military, he has always been an upright man. However, when he met his lover, he fell into chaos. He was originally a beautiful young man with a bright future and high martial arts. Because of his infatuation with Zhou Zhiruo, a disciple of Emei Sect, he was jealous that Zhang Wuji Guangmingding became the leader of Zoroastrianism, while Zhang Wuji, Zhou Zhiruo's sweetheart, thought Zhang Wuji was inferior to himself. Song Qingshu peeped at the Emei sect's female bedroom, but escaped after being smashed by Martial Uncle Mo Shenggu. After being arrested, he fought with Mo Shenggu in Shigang, was trapped by Chen Youliang, killed Uncle Mo Shenggu by mistake, and became a traitor in wu-tang clan. Chen Youliang, an elder of the Beggars' Sect, instigated him to join the Beggars' Sect and was forced to poison wudang zhang sanfeng, but he didn't take action. After that, he fled from the Beggars' Sect and took refuge in Zhou Zhiruo, the head of Emei, and learned the Jiuyin Bones Claw in Jiuyin Zhen Jing, a martial arts secret book that Zhou Zhiruo took off his sword.