Guo's most outstanding trait is his constant strife for moral rectitude, as observed when he faces a dilemma after Genghis Khan attempts to force him to lead the Mongol army to attack his native land.
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Guo and his mother are taken in by some nomads later and become part of Genghis Khan's tribe after Guo meets Jebe, an enemy of the Khan, who is later pardoned and accepted by the Khan as a warrior.
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Guo is able to understand the basis of Quanzhen's Big Dipper Formation (七星北斗陣) after reading the Nine Yin Manual and observing the formation being deployed in actual combat.
Guo Moruo | Wong Jing | Jing Ke | Western Guo | Guo Huai | Eastern Guo | Jing | Emperor Jing of Han | Zhan Guo Ce | Jing Ulrich | Jing'an District | Hou Jing | Guo Xi | Guo Lei | Guo Jing | Guo Boxiong | Bao Guo'an | Zhou Bi Suan Jing | Yu Jing | Western Guo (state) | Rule of Wen and Jing | Ren Renfa, ''Elder Zhang Guo | Lü Meng's invasion of Jing Province | Jing Wu Men | Jing River | Jing Hao | Jing County, Anhui | Jing County | Guo Ziyi | Guo Yi |
Cheung reached to the peak of his popularity in 1994 when he took part as the role of Guo Jing from The Legend of the Condor Heroes, which helped him to become one of the most favorite actors at that time.
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Cheung is popularly known for his role as Guo Jing in the 1994 TV series adaptation of the Wuxia novel, The Legend of the Condor Heroes, and also as Chi-Kin from the TVB drama Cold Blood Warm Heart (1996).