The Prince in Joy of Life was not clearly described as an expert. Therefore, according to the information provided, I don't know what level the Crown Prince of Joy of Life is.

There was no clear information about the power level of the Prince of Joy of Life. Some people speculated that the Crown Prince's martial arts level should be around the seventh grade, but there was no concrete evidence to support this speculation. Therefore, it was impossible to determine which level the Crown Prince of Joy of Life was.
There was no clear information on the power level of the Prince of Joy of Life. Therefore, I don't know what level the Crown Prince of Joy of Life is.
The ninth-level aces of Joy of Life included Hong Sixiang, Qin Ye, Ye Zhong, the Shadow, Yun Zhilan, Yan Xiaoyi, Haitang Duoduo, Lang Tiao, Fan Xian, Ye Wan, Thirteenth Wang, Shang Shanhu, Priest He, Xiao En, Chen Pingping, Cheng Jushu, Xie Bi 'an, and Gong Dian. These people had displayed powerful martial arts skills and combat strength in Joy of Life. However, due to the different statements in different literature and original works, it was impossible to determine their exact rankings.
In Joy of Life's Wuxia level, a Rank-8 master was considered a higher level existence. In Joy of Life, experts were divided into nine grades, and each grade was further divided into three grades: upper, middle, and lower. Among them, Rank-9 martial artists were the most basic martial artists, while Rank-1 martial artists were the top existences. There were still four Grandmasters above Rank-9. They were the top existences in the entire continent. Among the eighth-level aces, Fan Xian, the Shadow, Haitang Duoduo, Zhan Doudou, Lang Tiao, Shang Shanhu, Yun Zhilan, Hong Sixiang, Ye Liuyun, and others were all representative figures. These people were all top-notch experts of their respective forces, possessing extraordinary strength and influence. However, it was important to note that the Wuxia level was only a fictional setting. Different Wuxia novels might have different settings and divisions.
The highest-ranked expert in Joy of Life was a Peak Rank-9. Hong Sixiang was described as a peak ninth-level character. His martial arts were close to the level of a Great Grandmaster, and he was called the strongest person among the ninth-level by the Qing Emperor. Apart from Peak Rank-9, there were also four Grandmasters. They were considered the strongest figures in the world today. The Qing Emperor was the head of the Four Great Grandmasters. Therefore, the Peak Rank-9 experts in Joy of Life could be considered the most powerful.
The Crown Prince of Joy of Life was not the third son. The Crown Prince was the Qing Emperor's eldest son, and the Third Prince was Li Chengqian. He was the legitimate son of the Empress and was independent of the status of a prince. Therefore, the Crown Prince and the Third Prince in Joy of Life were different characters.
The Crown Prince of Joy of Life was not the third son. The Crown Prince was the Qing Emperor's eldest son, and the Third Prince was Li Chengqian. He was the legitimate son of the Empress and was independent of the status of a prince. Therefore, the Crown Prince and the Third Prince in Joy of Life were different characters.
The Crown Prince in Joy of Life was not the Third Prince. The Crown Prince was the Qing Emperor's eldest son, and the Third Prince was Li Chengqian. He was the legitimate son of the Empress and was independent of the status of a prince. Therefore, the Crown Prince and the Third Prince in Joy of Life were different characters.
There were different opinions on whether the Crown Prince was the third child in Joy of Life. Some documents stated that the Crown Prince was the Third Prince, while others believed that the Crown Prince and the Third Prince were different people. Therefore, it was impossible to determine if the Crown Prince in Joy of Life was the Third Prince.
The Crown Prince in Joy of Life was not the Third Prince. The Crown Prince was the Qing Emperor's eldest son, and the Third Prince was Li Chengqian. He was the legitimate son of the Empress and was independent of the status of a prince. Therefore, the Crown Prince and the Third Prince in Joy of Life were different characters.