When Fan Xian was assassinated, Wu Zhu was not present. In the play, Wu Zhu went to Jiangnan before Fan Xian was assassinated to search for memories related to his master, Ye Qingmei. After Fan Xian was assassinated, Wu Zhu appeared again in the later plot to prevent Fan Xian from killing Lin Gong to protect Fan Xian's safety. Thus, Wu Zhu was not present when Fan Xian was assassinated.

When Fan Xian was assassinated, Wu Zhu was not present. In the play, Wu Zhu went to Jiangnan before Fan Xian was assassinated to search for memories related to his master, Ye Qingmei. After Fan Xian was assassinated, Wu Zhu appeared again in the later plot to prevent Fan Xian from killing Lin Gong to protect Fan Xian's safety. Thus, Wu Zhu was not present when Fan Xian was assassinated.
Wu Zhu was not present when Fan Xian was assassinated. In the play, Wu Zhu went to Jiangnan before Fan Xian was assassinated to search for memories related to his master, Ye Qingmei. After Fan Xian was assassinated, Wu Zhu appeared again in the later plot to prevent Fan Xian from killing Lin Gong to protect Fan Xian's safety. Thus, when Fan Xian was assassinated, Wu Zhu was not present.
When Fan Xian was assassinated, Wu Zhu was not present. Before Fan Xian was assassinated, Wu Zhu had gone to Jiangnan to search for memories related to his master, Ye Qingmei. Thus, when Fan Xian was assassinated, Wu Zhu was not present.
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.
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. Thus, Wu Zhu and Fan Xian went to Northern Qi together.