Decades before dying while doing battle with the demon possessing Regan NacNeil in The Exorcist (1973), Rev. Lankester Merrin successfully extracts the same demon from a young man in Kenya. An African chief (or medicine man) tells Merrin at the end of Dominion: The Prequel to the Exorcist (2005) that he has made a rather bad enemy of the demon, which was not done with the priest. We know from The Exorcist that the demon will eventually kill the priest, but that is by no means the final word on a distinctively religious battle because in that domain, the human soul is eternal rather than necessarily tethered to a corporeal body. It is important, moreover, not to reduce religion to one of its aspects, or, even worse, to the stuff of any other domain, including the supernatural. Dominion reduces Christianity to one belief-claim and relies on supernaturalism to validate the religious phenomena in the film.
The full essay is at "Dominion: Prequel to the Exorcist."
