Food delivery worker Lin Yuan awakens as the one and only Sequence Zero, the Devourer. To avenge his sister Lin Wan, who was murdered, he embarks on a bloody journey through the Otherworld. He devours cores, fuses abilities, slays the mutated, and wipes out cults. He tears apart a Night Watcher mole with his bare hands and clashes head-on with Cthulhu Mythos beings. With his overwhelming power to devour everything, he fights his way through a blood-soaked abyss, eventually claiming the throne of the Sequences and taking control of the supernatural order!