**Core Theme of the Novel:** In a dark fairy tale world where gods and Buddhas are invisible and demons are rampant, how does a modern man use knowledge, systems and the absolute will to survive to feed on "demons" and use "devils" as salary to fight his way through the cracks and establish the last refuge of the human race.
**Protagonist:** Chen Fan
**Core Goldfinger:** The cooking guide system of "The Classic of Mountains and Seas" (which can be upgraded to "The Recipe of Creation" or "The Return of Everything"). Through hunting, cooking, and devouring monsters, you can gain some of their abilities, cultivation, and even their original magical powers.
**Core Conflict:** The human race's battle for survival in a world of demons and troubled times; the conflict between Chen Fan's way of "ruling demons with demons" and the traditional concept of righteousness; the manipulation of the human chess game by the masterminds (such as fallen gods and ancient demons) behind the scenes.