In his novel, Mr. Jin Yong mentioned three characters with extremely high martial arts cultivation: 1 Wu Yazi: He is a swordsman and practices the "Yishui Cold Sword Technique". Wu Yazi's swordsmanship was very profound. He could use sword qi to hurt people and no one could match him. 2 Duan Yu: He is a prince of Dali and practices the martial arts of the Duan family of Dali. Duan Yu's martial arts cultivation was very profound. He could use the essence of Dali's Duan family's martial arts to subdue hardness with softness. 3. Xuzhu: He is a monk and practices Shaolin Temple Kung Fu. Xuzhu's martial arts cultivation was also very high. He could use the essence of Shaolin Temple's martial arts. He was invincible.