In this world, cultivating immortality is a road of no return. The skills will distort the mind, the magic weapon needs to be fed with flesh and blood, and there are indescribable beings entrenched deep in the cave... Ye Heng accidentally obtained an evil Taoist book using "Shou Yuan" as firewood. In order to survive, he had to wander on the edge of madness: stealing the whispers of ancient gods, making deals with strange people, practicing in a flesh-and-blood dojo... When he finally set foot on the path to immortality, looking back, he saw mountains of corpses and seas of blood behind him, and he himself... Was he still human?