The Third Bureau protected Fan Xian.

The second concubine played the role of protecting Fan Xian in the play. In Joy of Life, the Second Concubine was Fan Xian's relative. She played an important role in the Fan family and expressed concern and support for Fan Xian. Although the search results did not provide specific plot details, it could be seen that the Second Concubine was Fan Xian's ally in the show and might take action to protect him. Thus, it could be said that the Second Concubine protected Fan Xian in the play.

Lady Liu's protection and support of Fan Xian in Joy of Life was very domineering. Although Lady Liu did not welcome Fan Xian at first, worried that he would steal her son's position, as Fan Xian's power increased, Lady Liu's attitude gradually changed. She began to wholeheartedly support Fan Xian, helping him pull strings in the harem and protecting him from harm. When Fan Sizhe was involved in the Baoyue Brothel case, Lady Liu supported Fan Xian's decision. She even resigned from all her official positions and worked with Fan Jian to manage the new palace treasury and provide financial support for Fan Xian. Concubine Liu abandoned the circle of nobility in Jingdou and chose to live in seclusion with her husband, living a happy life. It could be said that Lady Liu had played an important role in protecting and supporting Fan Xian.

The reason Chen Pingping protected Fan Xian was because he admired Fan Xian's mother, Ye Qingmei, and was willing to follow her forever. Chen Pingping and Ye Qingmei became very good friends and received Ye Qingmei's help. Ye Qingmei's death made Chen Pingping place this emotion on Fan Xian. He hoped that through his own efforts, he could let Fan Xian live a better life and also hoped to avenge Ye Qingmei. Chen Pingping's kindness to Fan Xian was based on Fan Xian's identity as Ye Qingmei's son. He hoped to protect Fan Xian's life and teach him all kinds of skills so that he could become someone capable of escaping the Qing Emperor's pursuit. Chen Pingping's actions were also to pursue the truth of Ye Qingmei's death and to force the Qing Emperor into a situation where he had no way to retreat at the last moment. In short, the reason Chen Pingping protected Fan Xian was because of his admiration for Ye Qingmei and his emotional sustenance for Fan Xian.

Fan Xian had seen the brothers of the Third Bureau in the show. Among them, Senior Brother Leng was Fan Xian's Eldest Senior Brother and also the temporary manager of the Third Bureau of the Overwatch Council. In order to protect Fan Xian, these disciples had even come into conflict with other places. They played the role of protecting and supporting Fan Xian in the play.

In the novel Joy of Life, the first time Fan Xian went to the Third Bureau of the Overwatch Council to meet his brothers was in a small village on the outskirts of Jingdou. At that time, Fan Xian had been sent to investigate a case of official corruption and bribery. He needed to borrow the power of the Third Bureau. He found the person in charge of the Third Bureau, Teng Zijing, in the village. Teng Zijing took him to a hidden place where some Overwatch Council officials and agents were waiting for him. Fan Xian met his three senior brothers, He Zongwei, Yan Bingyun, and Wang Qinian. They were all Overwatch Council experts, each with different specialties and missions. Fan Xian exchanged a few pleasantries with them and began to discuss the progress of the case and the next step of the plan.

Fan Xian had seen the brothers of the Third Bureau in the show. In order to protect Fan Xian, these disciples had even come into conflict with other places. Among them, Senior Brother Leng was Fan Xian's Eldest Senior Brother and also the temporary manager of the Third Bureau of the Overwatch Council. When he first appeared, he had been carried to meet Fan Xian for the first time after testing the poison with his body. These disciples were very supportive of Fan Xian and provided him with help and protection.

Fan Xian had seen the brothers of the Third Bureau in the play. In the show, after Fan Xian entered Jingdou, he received the support of his brothers in the Third Bureau of the Overwatch Council. In order to protect Fan Xian, these disciples had even come into conflict with other places. Amongst them, the acting host, Senior Brother Leng, made his first appearance, stunning everyone. After testing the poison with his body, he was carried to meet Fan Xian for the first time. In addition, Senior Brother Leng also prepared a series of defensive weapons for Fan Xian, including fire-resistant and knife-resistant leather clothing, a repeating crossbow, a fire-washing cloth umbrella, an unbreakable rope, and so on. Fan Xian liked and doted on these disciples. Thus, Fan Xian had indeed seen the brothers of the Third Bureau in the play.

Fan Xian had seen the brothers of the Third Bureau in the show. In order to protect Fan Xian, these disciples had even come into conflict with other places. Among them, Senior Brother Leng was Fan Xian's Eldest Senior Brother and also the temporary manager of the Third Bureau of the Overwatch Council. When he first appeared, he had been carried to meet Fan Xian for the first time after testing the poison with his body. These disciples were very supportive of Fan Xian and provided him with help and protection.

Fan Xian went to the Third Bureau in the 32nd episode of Joy of Life.

Fan Xian had a close relationship with the brothers of the Third Bureau. The Third Bureau was an organization that mainly researched and developed hidden weapons and poisons. They showed concern and protection for Fan Xian. Senior Brother Leng was Fan Xian's eldest senior brother and also the temporary manager of the Third Bureau of the Overwatch Council. Senior Brother Leng had once used his body to test poison to protect Fan Xian. He had also prepared a self-defense suit, a parachute, hidden weapons, and other protective equipment for him. In order to protect Fan Xian, the brothers of the Third Bureau had even come into conflict with the other Bureaus. Most of the poisons they used were not lethal. They only made it temporarily impossible for the opponent to pursue Fan Xian and gave him a chance to escape. In short, the relationship between Fan Xian and the brothers of the Third Bureau was full of interaction and protection.