Xiao Xingchen traveled through Yang Guang's sixth son, Yang Xuan, whose mother was a palace lady. He died suddenly three days after giving birth to him. He was forgotten by Yang Guang and was given the title "Yu Wang" next to the character "Yu". In fact, he was not even a county prince, but just a prince in name only.
The biggest golden finger: knowing clearly the direction of history, knowing that Yang Guang will subjugate the country, knowing that Yu Wenhuaji will kill the king, knowing that Li Yuan will raise troops in Taiyuan...