In Joy of Life, Yan Bingyun killed Fan Xian in chapter 15.

In Joy of Life, Yan Bingyun killed Fan Xian in chapter 15.
Joy of Life Yan Bingyun kills Fan Xian in chapter 15 of the novel.
In Joy of Life, Yan Bingyun killed Fan Xian in chapter 15. There was no clear answer as to why Yan Bingyun wanted to kill Fan Xian. Some believed that Fan Xian and Yan Bingyun had discussed beforehand that Fan Xian would fake his death to escape disaster, while others believed that the Second Prince had given Yan Bingyun a letter that might have asked Yan Bingyun to kill Fan Xian. Therefore, the specific chapter information was not mentioned.
In Joy of Life, Yan Bingyun killed Fan Xian in chapter 15.
In Joy of Life, Yan Bingyun killed Fan Xian in chapter 15.
In Joy of Life, Yan Bingyun killed Fan Xian in chapter 15.
In Joy of Life, Yan Bingyun killed Fan Xian in chapter 15.
Joy of Life Fan Xian died in chapter 31. In this chapter, Fan Xian pretended to be dead. Together with Yan Bingyun, they set up a ruse to save himself in a difficult situation. Although he had been stabbed by Yan Bingyun and fell to the ground, this was only Fan Xian and Yan Bingyun's plan. Fan Xian had not truly died.
In Joy of Life, Fan Xian and Yan Bingyun had a complicated and close relationship. Fan Xian was an envoy from the Qing Kingdom, while Yan Bingyun was a spy sent by the Qing Kingdom to Northern Qi. At first, Yan Bingyun had been captured by Shen Zhong. In order to save him, Fan Xian had used Xiao En to exchange for him. However, on the way back to the country, Yan Bingyun suddenly stabbed Fan Xian. It looked like he had betrayed him. In reality, this was a play the two had discussed beforehand. The goal was to protect Fan Xian. Yan Bingyun's betrayal was to allow Fan Xian to smoothly return to the country and successfully remove Shen Zhong, the Great General. Fan Xian greatly admired Yan Bingyun's ability and wisdom. He admitted that he was not as good as Yan Bingyun in terms of planning. Thus, Yan Bingyun became Fan Xian's most capable helper. He was responsible for designing and directing many plans. Their relationship had developed from an initial alliance to a good friend and right-hand man. In short, the relationship between Fan Xian and Yan Bingyun was complicated and close. They trusted each other and worked together to achieve a common goal.
Fan Xian did not really die in Joy of Life. Although in the drama, Fan Xian was stabbed to death by Yan Bingyun, this was actually Fan Xian's plan to delay the battle. Fan Xian used the Tyrannical zhenqi he had practiced for many years and Yan Bingyun's precise swordsmanship to create a fake death scene. Although Fan Xian was heavily injured, his vitals weren't hurt. He was rescued by Wang Qinian and woke up under the care of Haitang Duoduo. Thus, Fan Xian did not die.