After crossing over, Xu Sheng had a 'Book of Eternity' in his mind. Its function is that if Xu Sheng dies, he can be reincarnated in his best offspring ten thousand times. Moreover, you can bring with you the memories, skills, and cultivation of your previous life. Xu Sheng's initial goal was to fully spread his own bloodline and ensure that he would never die. Later, he learned that there were really fox demons in this world to repay their kindness, there were painted skins that mixed in the world, there were Taoist priests who practiced their flesh as yang gods and became immortals, and there were monks who abandoned their skins and sat down to become Buddhas......