Everyone Awakened, Except Me, an Ordinary Mortal!

In the first year of the apocalypse, human civilization stood on the brink of being burned to ashes. The one ironclad rule all of humanity believed in: Enter a rift → survive → inevitably become imbued with spiritual energy → inevitably gain power. No exceptions. Except for the protagonist. In an apocalypse overrun by strange monsters, where rules devour people and no one is perfect, how can a thoroughly ordinary person possibly survive?