after the destruction of his netherworld is prophesied by pram the oracle, overlord zetta travels to the forbidden library to prevent it. finding the sacred tome, a book that controls reality, zetta finds a passage claiming that his own stupidity would be the downfall of his netherworld. infuriated, he burns the book, only to remember immediately afterwards that destroying the book would destroy his world. he quickly responds by confining his soul to the sacred tome and ventures to rewrite his world into existence by having the other overlords of netherworlds write wishes within his pages.