Chen Danqing traveled through the late Qin Dynasty and by chance followed Liu Bang in the uprising and became the founding hero of the Han Dynasty.
On the eve of the Hongmen Banquet, he accidentally swallowed the meteorite immortality pill and became immortal from then on.
He had experienced Liu Bang's bloody campaign to bring peace to the world, and had also witnessed the thrilling chaos of the Lu family.
He had seen the prosperity and stability of Wenjing's rule, and also experienced Emperor Wu of the Han Dynasty's heroic military strategy in attacking the Xiongnu in the north.
He fought alongside Wei Qing and Huo Qubing, and also went to the Western Regions with Zhang Qian.
He had a drink with Sima Qian and heard that the other party wanted to write a history book that "explains the changes in ancient and modern times".
He existed for four hundred years and may have been forgotten by time.
But before Liu Bang died, he entrusted him with the following words: "If future generations are unworthy of descendants, I will punish them severely."
He agreed.
