The world of Manifest Delusions is built on the principle that faith shapes physics: what the masses believe becomes real, and the delusional — the Geisteskranken — can bend reality through the sheer force of their fractured minds. High Priest Konig seeks to harness collective belief to birth a new god, using a boy whose carefully cultivated delusions may be the final piece of his design. Standing between Konig and his goal are Bedeckt — a scarred old warrior with a very short list of crimes he won't commit — and a collection of desperadoes whose madness is both their weapon and their damnation.

Bedeckt defines himself by what he refuses to do — a negative identity that becomes increasingly unstable as circumstances strip away his options. He is not a hero, has never claimed to be one, and the gap between who he tells himself he is and what he actually does forms the series' central dramatic tension. His companions are equally compromised: a man whose manifested delusion attacks him at night, a woman whose mirror-reflection plots against her.

Three books trace the cost of power purchased with sanity. Bedeckt's list of crimes he refuses to commit grows shorter with every decision, and the mirror-self that hunts him grows stronger every time he strays. The second book forces him to undo the damage of the first from beyond the grave, while the third escalates to a full ideological war — a crusade for perfection that promises to end all suffering by ending everything impure. Each entry is denser and darker than the last, culminating in a conclusion that earned its top-read-of-2023 placement among grimdark devotees.