Before Fan Xian entered the capital, he had set up bait.

In order to find the people around the Crown Prince, the Qing Emperor had set up a trap in advance. Fan Xian's entry into the capital was only bait. The Qing Emperor controlled the entire intelligence network. He knew who he wanted to know. He could not let anyone die if he wanted them to. To the Qing Emperor, Mei Zhili was just a chess piece that had to die. The Qing Emperor hoped to use Fan Xian's entry into the capital to test whether the people around the Crown Prince were loyal to him.

The purpose of Fan Xian setting up the bait before entering the capital was to find out who was close to the Crown Prince. Before Fan Xian entered the capital, the Qing Emperor had woven a large net and controlled the entire intelligence network. He knew who he wanted to know. He could not let anyone die if he wanted them to. Mei Zhili was only a chess piece in the Qing Emperor's eyes. A chess piece that had to die. The Qing Emperor used Fan Xian to test whether the people around the Crown Prince were loyal to him. The Qing Emperor wanted the Crown Prince to understand that only as long as he was alive could the world be loyal to him.

The reason why the Qing Emperor had let Fan Xian enter the capital as bait was to find the people around the Crown Prince. He had weaved a big net in advance and controlled the entire information network, waiting for the fish to take the bait. To the Qing Emperor, Mei Zhili was just a chess piece, a chess piece that had to die. He wanted the Crown Prince to understand that only when he was alive could the world be loyal to him. The Qing Emperor could know who he wanted to know. If he wanted someone to die, he could not live.

When Fan Xian entered the capital, he was 16.

According to information 3, Fan Xian was about 16 years old when he returned to the capital in " Celebrating Years."

Fan Xian had entered Beiqi to carry out the Qing Emperor's important mission. His specific purpose had not been revealed. During his time in Northern Qi, Fan Xian had shown his sincerity and established a cooperative relationship with the Northern Qi Imperial Advisor Ku He's disciple, Haitang Duoduo, and the Northern Qi Emperor, Zhan Doudou. Fan Xian's actions attracted the attention of the forces within the Northern Qi court, including the Northern Qi empress dowager's faction and the Emperor's faction represented by the Northern Qi Emperor. Although Fan Xian's actions interfered with the political affairs of Beiqi, his cooperation was related to the cooperation of the Northern Qi royal family. The specific reason was still unclear.

Fan Xian had entered the capital because the Qing Emperor wanted to kill him. The Qing Emperor had used Fan Xian since he was born, hoping to find the secrets of the Temple through him. The Qing Emperor had always guided Fan Xian to follow his plan until Fan Xian successfully went to Northern Qi. The Qing Emperor's purpose in keeping Fan Xian was to let him dig out Xiao En's secret. The Qing Emperor had endless favor and tolerance for Fan Xian, but in reality, he had long had the intention to kill. The Qing Emperor knew that Fan Xian was Ye Qingmei's son. For his own selfish desires, he killed Fan Xian's mother and left him behind. Therefore, every major event that Fan Xian had encountered since he was young was done by the Qing Emperor. The Qing Emperor wanted to use Fan Xian to achieve his goal, but Fan Xian had someone protecting him, so the Qing Emperor could not easily kill him.

Before Fan Xian entered Jingdou, his cultivation was above the ninth-level. In the process of cultivating Tyrannical zhenqi, he had successfully broken through to the realm above ninth-grade through re-cultivation and learning the Tianyi Dao mental cultivation method. However, he did not reach the level of a Great Grandmaster and only stayed at the Ninth Stage Realm.

When Fan Xian first entered the Fan manor, he was made difficult by Liu Ruyu. Liu Ruyu wanted to give Fan Xian a show of strength and let him enter the courtyard through the side door. She deliberately made him wait outside the door. Fan Xian did not want to be outdone. He poked Liu Ruyu's heart and said that she was not the mistress of the house. Fan Sizhe attacked Fan Xian, but Fan Ruoruo appeared in time to punish Fan Sizhe. These events happened when Fan Xian first entered the Fan manor.

When Fan Xian first entered the Fan manor, he was made difficult by Liu Ruyu. Liu Ruyu wanted to give Fan Xian a show of strength and let him enter the courtyard through the side door. She deliberately made him wait outside the door. Fan Xian did not want to be outdone. He poked Liu Ruyu's heart and said that she was not the mistress of the house. Fan Ruoruo appeared in time to punish Fan Sizhe.