In the 198th year of Fengque, the Mad Emperor died, and the emperor's third son succeeded him. He changed the country's name to Haotian and became known as Emperor Yun in the world. Except for two, seven, and nine brothers, the rest of the brothers were rebellious and died in hell. During the seven years, except for the counter-centralization of power, Mingli took a temporary break. The remaining prince was granted the title of king, the second son of the emperor was granted the title of King Yi because of his love for the mountains and rivers, the seventh son of the emperor was granted the title of King Ning to recover from his illness, and the ninth son of the emperor was granted the title of King of Jin when he moved out of the palace.
This was just a change of dynasty, but it triggered a series of grievances and resentments...