Based on the information provided, it could be concluded that Wu Zhu had gone to Northern Qi before Fan Xian had. Thus, Wu Zhu and Fan Xian went to Northern Qi together.
Based on the information provided, it could be concluded that Wu Zhu had gone to Northern Qi before Fan Xian had.
Based on the information provided, it could be concluded that Wu Zhu had gone to Northern Qi before Fan Xian had.
Based on the information provided, it could be concluded that Wu Zhu had gone to Northern Qi before Fan Xian had. Thus, Wu Zhu and Fan Xian went to Northern Qi together.
Based on the information provided, it could be concluded that Wu Zhu had gone to Northern Qi before Fan Xian had. Thus, Wu Zhu and Fan Xian went to Northern Qi together.
Based on the information provided, it could be concluded that Wu Zhu had gone to Northern Qi before Fan Xian had. Thus, Wu Zhu and Fan Xian went to Northern Qi together.
Based on the information provided, it could be concluded that Wu Zhu had gone to Northern Qi before Fan Xian had. Thus, Wu Zhu and Fan Xian went to Northern Qi together.
Wu Zhu had gone to Northern Qi before Fan Xian had gone. Thus, Wu Zhu and Fan Xian went to Northern Qi together. In the end, Wu Zhu chose to go to Dong Mountain alone to recuperate. In the ending of " Celebrating Years," after Wu Zhu was injured by the Qing Emperor, he decided to go to Dong Mountain to recover. Under the influence of Ye Qingmei, Fan Xian, and the others, Wu Zhu gradually regained his consciousness and hoped to live a quiet life and separate from Fan Xian's family. Thus, Wu Zhu went to Dong Mountain in the end.
Fan Xian had gone to Northern Qi, but Wu Zhu's exact whereabouts were unclear. In the plot, Wu Zhu had been to Jiangnan, Danzhou, and Jingdou. According to Fan Xian's lines in the play, Wu Zhu might have returned to the Temple, but his memory had been erased. In addition, according to the other answers, Wu Zhu might have chosen to go to Dong Mountain alone to recuperate. Therefore, there was no definite answer as to where Wu Zhu had gone.
According to the information provided, Wu Zhu had already gone to Northern Qi before Fan Xian. Wu Zhu's goal was to entangle Master Ku Ke and prevent Ku Ke from threatening Fan Xian. After Fan Xian returned to Jingdou, Wu Zhu had his own things to do, so he left. He did not mention where Wu Zhu had gone.
Before Fan Xian went to Northern Qi, Wu Zhu had already set off for Northern Qi. His goal in going to Northern Qi was to pester Master Ku Ke and prevent Ku Ke from posing a threat to Fan Xian. Wu Zhu believed in Fan Xian's ability, so he decided to go to Northern Qi first. Therefore, based on the information provided, it could be concluded that Wu Zhu had already gone to Northern Qi before Fan Xian had.