This novel combines elements of time travel, survival horror, and suspense reversal. The protagonist falls from the peak of the game into a real desperate situation. Not only does he have to face external vendettas and mutated monsters, he also has to deal with the rebellion of internal mythical beasts and the layers of revelations about the truth about the world. The core suspense lies in the settings of "NPC origin" and "mirror hell", which ultimately lead to a terrifying ending: the protagonist may not be a time traveler, but a link trapped in an eternal cycle. The overall atmosphere is dark and depressing, full of tension of survival in a desperate situation and suspense of exploring the truth.