Feng Shanjun, who has spent twenty years proclaiming himself the supreme warden of a prison, is reborn forty years in the past, back when he joined Special Bureau 749.
In this life, Feng Shanjun will change the fate of Special Bureau 749's special squad, whose members all died, explore countless supernatural territories once more, and uncover the secret of immortal longevity, so that none of those tragedies happen again.
The First Emperor's elixir of immortality, the Jin dynasty sorcerer's immortal, the Queen Mother's elixir of eternal life, the secret realm of immortality beyond the Yumen Pass, the ascended immortals of the Three Immortal Islands,
The Myriad Ghosts' Immortal Palace beneath the Yellow River, and the Imperial Immortal Altar of Kunlun: seven methods of immortality recorded on a jade slip will set all of this in motion.
Jin dynasty
