Rogue Exorcist Books in Order

After a fatal exorcism, Mo abandons his vocation and retreats into alcohol and isolation. When teenage neighbor Evie becomes possessed by a murderous entity, he must decide whether to return to the work that shattered him.

Mo encounters Olivia, an aspiring exorcist with unusual powers, while confronting a possessed prisoner who killed his family. The attempt to free the man reveals a disturbing connection between the entity and Mo’s new companion.

Mo goes on the run with Olivia as dangerous forces pursue the power she carries. Protecting her requires discovering what lies within her, even as the people hunting them turn their flight into a threat to the wider world.

Imprisoned as a traitor after nearly unleashing Hell, Mo receives one final chance to avert an apocalypse. When April enters six dimensions of Hell, he is permitted to follow her into a struggle with consequences for humanity.