In the seventh year of Kaibao, he woke up from a dream in Jinling. In the ninth year of Kaibao, he made an expedition to the Central Plains. In the third year of Taiping and Xingguo's reign, he proclaimed himself emperor in Bianjing and established the Tang Dynasty. He recovered Wuyue, pacified the Northern Han Dynasty, defeated the Khitan, restored the territory of the prosperous Tang Dynasty, and all nations came to the dynasty.
Li Yu, who wrote "How much sorrow can I ask you" in history, will be written down in the history books in this life: "Li Yu, courtesy name Chongguang, was the later master of the Southern Tang Dynasty and later the founding emperor of the Tang Dynasty. His achievements in his life far surpassed that of Emperor Taizong of the Tang Dynasty, and he was the only emperor throughout the ages."
The avenging of the Southern Tang Dynasty began.