Cadaver Mundus is the unnerving realm of Victor Frankenstein's ghastly night terrors, dark visions, and impossible premonitions as he descends into the madness of his own nightmares.
Gods, devils, machines, monsters, undead, and man alike battle for the dominion of a faulty and unwholesome universe, haunting Frankenstein in the dark corners between his construction of his creature, its bride, the murder of his family, and the hunting of the monster to the remote Arctic.
As Victor battles his creature, the spectres of his nightmares lift him away into their harsh reality, revealing a far worse existence than what he experienced or imagined.
He joins their existence, creating his own family and future to again have it stolen and decimated. Slowly, he descends into the madness of reconfiguring humanity into his design, what he believes to be a better solution for mankind. Assuming the role of god and creator, his hunger for mankind's salvation becomes tainted with the insatiable lust for power and control.
Thus, Victor Frankenstein initiates war to create a Corpse Cosmos of the perfect people.