Joy of Life's Emperor's Assassination was in the fourth volume of the novel, chapter 99.

The assassination of Emperor Qing Yuannian was in the fourth volume of the novel, chapter 99.
In Joy of Life, the Emperor was assassinated in chapter 136.
In the original novel Joy of Life, the emperor was assassinated in chapter 1361, and in the TV series, it was in episode 46.
In Joy of Life, the Emperor was assassinated in chapter 136.
In the novel Joy of Life, the assassination of the emperor happened in chapter 261. In this chapter, the Eldest Princess Li Yunrui and the Crown Prince plotted to assassinate the Qing Emperor during the sacrifice, but they were foiled by Fan Xian and Uncle Wu Zhu. In the end, the Qing Emperor was safe and sound, while the Crown Prince and Eldest Princess were ordered to die.
Joy of Life's Emperor's Assassination was in chapter 49 of the novel.
In Joy of Life, the Qing Emperor experienced many assassinations in his life. In the autumn of the fifth year of the Qing calendar, when the Qing Emperor went to the Hanging Temple to admire chrysanthemums, he was assassinated by the shadow of Sigu Jian, the Flying Immortal from Beyond the Sky. In addition, the Qing Emperor had also experienced Ye Qingmei's accidental death and the threat of assassination he faced when he attacked Great Wei twice. In total, the Qing Emperor experienced 44 assassinations.
The Qing Emperor experienced many assassinations in Joy of Life. In the autumn of the fifth year of the Qing calendar, the Qing Emperor encountered an assassination attempt while admiring chrysanthemums in the Hanging Temple. He was assassinated with a single sword attack by the Shadow Flying Immortal from Beyond the Sky, who had impersonated Sigu Jian. However, he was repelled by Fan Xian and his guards. This assassination was the 44th assassination the Qing Emperor had encountered. In addition, in the previous plot, the Qing Emperor had experienced many assassinations, including after Ye Qingmei's accidental death. Dongyi's Sigu Jian had entered the Palace three times to assassinate the Qing Emperor, but he had been stopped by the Great Grandmaster in the Palace. The Qing Emperor had also faced killers from Dongyi, South Yue, Xihu, and Wei twice when he attacked Great Wei. In short, the Qing Emperor had experienced many assassinations in Joy of Life.
The Qing Emperor experienced many assassinations in Joy of Life. In the autumn of the fifth year of the Qing calendar, when the Qing Emperor went to the Hanging Temple to admire chrysanthemums, he was assassinated by the shadow of Sigu Jian, the Flying Immortal from Beyond the Sky. In addition, the Qing Emperor also faced many assassinations from Western Hu assassins, descendants of eunuchs and nobles in the Palace, and killers sent by Great Wei. To be more specific, the assassination attempt on the Hanging Temple was the 44th assassination attempt the Qing Emperor had encountered. Before this, after Ye Qingmei's accidental death in Taiping Courtyard, Dongyi Sigu Jian had entered the Palace three times to assassinate the Qing Emperor, but he had been stopped by the powerful Great Grandmaster's aura in the Palace. In addition, the Qing Emperor had faced multiple assassinations twice when he attacked Great Wei. In short, the Qing Emperor had experienced many assassinations in Joy of Life.
The Qing Emperor experienced many assassinations in Joy of Life. In the autumn of the fifth year of the Qing calendar, when the Qing Emperor went to the Hanging Temple to admire chrysanthemums, he was assassinated by the shadow of Sigu Jian, the Flying Immortal from Beyond the Sky. This assassination was the 44th assassination the Qing Emperor had encountered. The play also mentioned the Qing Emperor's previous assassination experiences, including after Ye Qingmei's accidental death in Taiping Courtyard, Dongyi's Sigu Jian entering the Palace three times to assassinate the Qing Emperor, and the two assassinations the Qing Emperor faced during his conquest of Great Wei. However, the specific number of assassinations was not explicitly mentioned in the search results provided. Thus, the exact number of assassinations the Qing Emperor had experienced in his life could not be determined.