The very end of the Second Epoch.
Under Yin Jiuer's leadership, the Ghost Clan Civilization withdrew to the newly discovered Myriad Worlds of the Heavens, formally marking the end of the Second Epoch.
But the traces of a civilization would not vanish in a short time. Vast numbers of ruins of the Ghost Clan Civilization remained on Earth.
In Ghost Clan cultivation, the living practiced methods of life, while the dead practiced the Funeral Method. Life and death cycled, with the soul at their core!
Even so, the Ghost Clan Civilization also conducted scientific research. Biology, one of their principal fields, had already developed to an extremely advanced level.
Because their primary focus was the advancement of the soul, vast numbers of Ghost Clan researchers studied the bodies their kind possessed in life, seeking to have living bodies produce souls of higher quality. Some even studied their own bodies directly.
Vast quantities of research results emerged. The overwhelming majority were useless, but a small portion succeeded.
Amid this cycle, some strange and peculiar results also emerged.
During preparations to depart for the Myriad Worlds of the Heavens, only a few cutting-edge biological laboratories were relocated wholesale to the new world.
Vast numbers of biological laboratories were left behind on Earth, abandoned to become ruins, dust of a bygone age.
Over the countless years that followed, these laboratories were buried by time, one after another, but the results within them did not disappear.
Vast quantities of Ghost Clan genetic material leaked into the earth, becoming the essence of the new epoch's living beings.
That was not all. Many Ghost Clan formations, among the finest achievements of their civilization, were also left behind.
Large numbers of formations had been laid around many biological laboratories, as well as the Ghost Clan Civilization's former