For Fan Xian, Fei Jie did not massacre the city. Although some documents mentioned that Fei Jie was willing to slaughter the world for Fan Xian, this was only an expression. It meant that he was willing to give up everything for Fan Xian. Fei Jie was one of the members recruited when Ye Qingmei founded the Inspection Council. He was sent to teach Fan Xian some self-preservation methods. In the play, Fei Jie showed love and protection for Fan Xian, but he did not actually massacre the city. Thus, Fei Jie did not slaughter the city for Fan Xian.

Fan Xian had been crippled in the TV series " Joy of Life," but he had still displayed a terrifying power. In order to support Fan Xian, Sigu Jian did not hesitate to massacre the city again. However, these search results did not provide clear information about the exact plot and reason for Fan Xian's massacre. Therefore, I don't know the details of Fan Xian's massacre.
Fei Jie was very good to Fan Xian. He was Fan Xian's master. Not only did he teach Fan Xian martial arts, but he also taught him how to use poison. Fei Jie cared deeply for Fan Xian and regarded him as his beloved disciple and relative. Fei Jie was Ye Qingmei's comrade and also the backbone of the Qing Emperor and Ye Qingmei's business. He approved of Ye Qingmei very much and hoped that Fan Xian could learn a skill and have the ability to protect himself so that he would not fall into a disadvantage. Fei Jie also hoped to protect Fan Xian and leave a bloodline for Ye Qingmei. Fan Xian was also very outstanding. Fei Jie valued him very much. Fei Jie's kindness to Fan Xian had been slowly developed during their time together. He treated Fan Xian like his own son. Fan Xian also expressed that he would see Fei Jie off in his old age. Fei Jie's ending was to leave the continent with Ye Liuyun and travel the world.
In Joy of Life, Fei Jie was an old poison. Fei Jie's love for Fan Xian was mainly reflected in his concern, nurturing, and protection of Fan Xian. At the same time, Fei Jie also saw Fan Xian as his own child.
Fei Jie's feelings for Fan Xian were genuine. He saw Fan Xian as his son and used his entire life to protect him. Fei Jie was one of Fan Xian's first teachers. He taught him medicine and poison techniques. Fei Jie's love for Fan Xian went beyond the teacher-student relationship. He imparted his secret arts to Fan Xian and expressed his deep feelings for him at Fan Xian's wedding back in Jingdou. Fei Jie's kindness to Fan Xian came from his heart. He valued Fan Xian's character and talent and thought he was a young man worth cultivating. Fei Jie's love and concern had been cultivated from being together day and night. For Fan Xian, he had traveled all over Qing Kingdom, Northern Qi, and Dongyi. Fei Jie's feelings for Fan Xian were very solid. He was the only " human father " who had participated in Fan Xian's childhood.
Fei Jie's love for Fan Xian was sincere. He saw Fan Xian as his own son and used his entire life to protect him. Fei Jie was one of Fan Xian's first teachers. He taught him medicine and poison techniques. Fei Jie's love for Fan Xian went beyond the teacher-student relationship. He imparted his secret arts to Fan Xian and gave him two gifts at Fan Xian's wedding when he returned to Jingdou to express his love and blessings. Fei Jie was willing to bear everything for Fan Xian and protect him from harm. This kind of father-son relationship not only stemmed from repaying Fan Xian's mother, but also from his deep love for Fan Xian.
Fei Jie's love for Fan Xian was sincere. He saw Fan Xian as his own son and used his entire life to protect him. Fei Jie was one of Fan Xian's first teachers. He taught him medicine and poison techniques. Fei Jie's love for Fan Xian went beyond the teacher-student relationship. He imparted his secret arts to Fan Xian and gave him two gifts at Fan Xian's wedding when he returned to Jingdou to express his love and blessings. Fei Jie's love for Fan Xian was deep. He was willing to bear everything for Fan Xian and protect him from harm. This kind of father-son relationship not only stemmed from repaying Fan Xian's mother, but also from his deep love for Fan Xian.
Fei Jie was Fan Xian's first teacher. He was a poison master and also the head of the Third Bureau of the Inspection Council. Fei Jie was initially semi-retired, but when he met Fan Xian and was moved by his innocence and loveliness, he decided to impart his knowledge to Fan Xian and treat him as his own son. Although Fei Jie didn't show his face often, he would instruct the Third Bureau to take good care of Fan Xian and treat him with the care and concern of an ordinary father. Chen Pingping was Fan Xian's adoptive mother. She sent Fei Jie to be Fan Xian's teacher and received the Qing Emperor's approval. Chen Pingping and Fei Jie were both very good to Fan Xian, but their motives might be different. Chen Pingping might have chosen Fei Jie as Fan Xian's teacher to protect him and help him grow. The Qing Emperor might have been more concerned about Fan Xian's strength and future potential. In short, Fei Jie's kindness to Fan Xian was sincere. Moreover, his teachings had played an important role in Fan Xian's medical path.
Fei Jie was a character in the TV series " Joy of Life." He was also Fan Xian's medical teacher. He was one of the main leaders of the Overwatch Council and also the leader of the three poison experts. Fei Jie taught Fan Xian how to use poison and gave him a commissioner's token. He had also cured the Great Grandmaster Sigu Jian's " stupidity " and helped Chen Pingping complete important missions many times. Fei Jie treated Fan Xian very well, even treating him like his own son. After he left Danzhou in the play, Fan Xian still received the protection of his brothers in the Third Bureau of the Inspection Council after entering the capital. This was all thanks to Fei Jie. In the end, Fei Jie followed Ye Liuyun out to sea and traveled the world.
Fan Xian's commissioner token was given to him by Fei Jie. Fei Jie was Fan Xian's teacher. He had imparted his secret arts to Fan Xian and regarded him as his son. Fei Jie's love for Fan Xian went beyond the teacher-student relationship, so he gave Fan Xian a token that represented Fan Xian's status and power. This token was real and effective. As long as Fan Xian held this token, he would be recognized by the other officials as a commissioner. There was no need to appoint him alone. The ancients attached great importance to waist tokens. The craftsmanship was exquisite, and there were unique testing methods. At a glance, one could tell the authenticity. Fan Xian obtained this token and became a commissioner, possessing corresponding power and status.
Fei Jie's ending was to leave his position in the Inspection Council and follow Ye Liuyun out to sea to travel around the world. In Joy of Life, after Fei Jie helped Fan Xian kill the Qing Emperor, Fan Xian learned that the Qing Emperor was his biological father and killed him. Fei Jie decided to leave his position in the Inspection Council and set out to sea with Ye Liuyun to begin his journey. Fei Jie's ending was to die in a foreign land. He left Fan Xian and traveled far overseas, traveling around the world.