Many people wanted to kill Fan Xian, including Lin Gong, the Qing Emperor, the Second Prince, the Eldest Princess, and others. Lin Gong was Lin Wan 'er's brother. He had arranged for Cheng Jushu to assassinate Fan Xian. The Qing Emperor was Fan Xian's biological father. He hated that Fan Xian was not in his control and wanted to use Fan Xian to find the secret of the Temple. The Second Prince wanted to get rid of Fan Xian to monopolize power, and the Eldest Princess did not want Fan Xian to snatch the palace treasury and marry Lin Wan 'er. Thus, all of these people had the motive to kill Fan Xian.

Many people wanted to kill Fan Xian. Lin Gong was one of them. He was Lin Wan 'er's older brother and the Crown Prince and Eldest Princess's man. Fan Xian had come to the capital to rob the Eldest Princess of her palace treasury and marry Lin Gong's sister, Lin Wan 'er. This made Lin Gong very angry, so he arranged for Cheng Jushu to carry out the assassination. In addition, the Second Prince and the Eldest Princess were also one of the masterminds behind Fan Xian's assassination. The Second Prince did not want Fan Xian to manage the palace treasury, and the Eldest Princess did not want her sister to marry Fan Xian. Thus, the mastermind behind Fan Xian's death was Lin Gong, the Second Prince, or the Eldest Princess. As for who it was, it was currently impossible to determine.
In Joy of Life, the people who wanted to kill Fan Xian included the Qing Emperor, Yan Bingyun, Lin Gong, the Second Prince, and the Eldest Princess. The reason the Qing Emperor killed Fan Xian was to use him to find the secrets of the Temple. Yan Bingyun deliberately stabbed Fan Xian to make him fake his death so that Fan Xian and the Qing Kingdom diplomatic mission could return to the capital smoothly. Lin Gong and the Eldest Princess had their own motives. Lin Gong did not want Fan Xian to snatch the Eldest Princess 'palace treasury and marry Lin Wan' er. The Eldest Princess did not want Fan Xian to take over the palace treasury and marry Lin Wan 'er. The Second Prince also wanted to kill Fan Xian to monopolize power. In summary, the Qing Emperor, Yan Bingyun, Lin Gong, the Second Prince, and the Eldest Princess all had the motive to kill Fan Xian.
There was no clear answer to the question of who wanted to kill Fan Xian in the end of the year. The search results mentioned the hostility of a few people towards Fan Xian, such as the Eldest Princess, the Empress, the Second Prince, and so on. However, it did not clearly point out who would ultimately kill Fan Xian. Therefore, according to the information provided, I don't know who wants to kill Fan Xian.
The person who wanted to kill Fan Xian was Lin Gong. Lin Gong was Lin Wan 'er's older brother, and also the Crown Prince and Eldest Princess's man. Fan Xian had come to the capital to rob the Eldest Princess of her palace treasury and marry Lin Gong's sister, Lin Wan 'er. This made Lin Gong very angry, so he arranged for Cheng Jushu to carry out the assassination.
The people who wanted to kill Fan Xian in the Qing years included Lin Gong, the Second Prince, and the Eldest Princess. Lin Gong obtained the token to control Cheng Jushu and smuggled him into the city. The Second Prince assassinated Fan Xian because he did not want Fan Xian to take charge of the palace treasury. The Eldest Princess wanted to help the Second Prince ascend the throne and needed to remove all obstacles. In addition, the Qing Emperor was also one of the people who wanted to kill Fan Xian the most. The Qing Emperor had left Fan Xian behind to use him to find the secrets of the Temple.
In Joy of Life, the people who wanted to kill Fan Xian were the Second Prince, the Eldest Princess, Lin Gong, the Qing Emperor, and the killers from the southern border. Lin Gong was one of them. He was Lin Wan 'er's older brother and also the Crown Prince and Eldest Princess's man. Lin Gong had arranged for Cheng Jushu to assassinate Fan Xian on Niulan Street because he didn't want Fan Xian to rob the Eldest Princess of the palace treasury and marry Lin Wan 'er. Other than Lin Gong, the Second Prince and Eldest Princess also participated in the plan to assassinate Fan Xian. The Qing Emperor was also one of the people who wanted to kill Fan Xian the most because he was using Fan Xian to find the secrets of the Temple. However, the search results did not provide any information about who had finally succeeded in killing Fan Xian.
The masterminds behind the assassination of Fan Xian on Niulan Street during the Qing years were Lin Gong, the Second Prince, and the Eldest Princess. Lin Gong was the one who obtained the token to control Cheng Jushu and smuggled him into the city. The Second Prince wanted to assassinate Fan Xian because he didn't want Fan Xian to be in charge of the palace treasury. The Eldest Princess wanted to help the Second Prince ascend the throne and needed to remove all obstacles.
In the original " Joy of Life," the person who wanted to kill Fan Xian was Lin Gong. Lin Gong was Lin Wan 'er's older brother, and also the Crown Prince and Eldest Princess's man. Fan Xian had come to the capital to rob the Eldest Princess of her palace treasury and marry Lin Gong's sister, Lin Wan 'er. This made Lin Gong very angry, so he arranged for Cheng Jushu to carry out the assassination.
In the original " Joy of Life," the person who wanted to kill Fan Xian was Lin Gong. Lin Gong was Lin Wan 'er's older brother, and also the Crown Prince and Eldest Princess's man. Fan Xian had come to the capital to rob the Eldest Princess of her palace treasury and marry Lin Gong's sister, Lin Wan 'er. This made Lin Gong very angry, so he arranged for Cheng Jushu to carry out the assassination.
In the first season of Joy of Life, there was no clear answer to the question of who wanted to kill Fan Xian. In the search results, some of the answers mentioned possible masterminds, such as the Second Prince, the Crown Prince, Lin Gong, and Wu Bo 'an. However, there was no clear evidence to show that any of them was the mastermind behind the attempt to kill Fan Xian. Therefore, based on the information provided, I am unable to determine who wanted to kill Fan Xian in the first season of Joy of Life.