Most of this post is copied, with some revision, from a reply I made to a poster on the imdb Exorcist discussion board at
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A surprising number of viewers seem not to make, or to understand the clear connection between Exorcist III’s demon with that of the first film and novel (“Pazuzu”, if you will). Some express confusion about who is possessing Damien Karras’ reanimated body – is it a demon? is it Vennamun the Gemini Killer? how does this work? It turns out that, in Exorcist III, Karras’ soul is being held prisoner by The Exorcist’s one and only demon. They are identical personages – as Fr. Merrin would say, “There is only one” – and the resonance between the demonic personality in both films is easily understood when analysed step by step:
At the end of the first story, Fr. Damien Karras is free of the temporary possession he had called upon himself, he has saved Regan from the demon’s oppression and her mother Chris MacNeil from all the horror and anxiety that condition had caused… and Damien Karras is on his way to God and the Communion of Saints … BUT THEN – (and this only according to the Exorcist III plot rewrite)…
The victorious Karras’ ascending soul is somehow, through wicked supernatural mechanisms, caught by the expelled “Pazuzu” and forced back inside the priest’s nearly-dead body … THEN …
The vengeful demon places, as controlling agent, the soul of recently-executed serial killer James Vennamun/the Gemini Killer, back inside Karras’ body … THEREBY CAUSING …
… The tormented Karras to be trapped inside his old body (except for brief articulate moments when Vennamun and/or the demon go into a state of “dormancy” and Karras utters snatches of prayer and once calls out to police detective Kinderman), while he watches Vennamun use his body as a vehicle and sometimes as the direct tool for a carrying out a new killing spree, this time in Georgetown … THEREBY NECESSITATING …
… The rescue of Karras: The former rescuer of Regan and Chris – has now himself become the subject of rescue by a concerted effort by exorcist Fr. Paul Morning and Karras’ former acquaintance, Detective Bill Kinderman … with all this being ATTESTED TO by Vennamun himself …
Vennamun, speaking with Karras’ vocal chords, informs Kinderman that Vennamun has returned precisely because the original demon, who Karras expelled via his act of self-sacrifice, wants revenge on Karras, Karras’ friends, and certain others involved in the original exorcism. Vennamun says, in words to the effect, that the demon, after “being expelled from the body of a child, was not pleased … My Master, one of those Others over there on the other side…the cruel ones” hatched this plot to create a “scandal for all men who seek faith” by returning to earth in a proxy manner through the use of Karras’ body and Vennamun’s tenancy of said body. So:
The explanation, the method, and the crisis are thus perfectly explicated in Vennamun’s dialogue.
Hence, ideally at least, there ought to be no room for confusion on the part of the attentive viewer. Blatty’s rewritten screenplay, which originally contained no Damien Karras and no exorcism, has laid out all these changes quite concisely. Listen to Vennamun’s (convincingly performed by Brad Dourif) explanation and you have the entire plot rationale. It is surprising that so many, viewers cannot, do not, or will not understand this fully explained demonic modus operandi.
[As my imdb correspondent listed, these are the demon’s main motives in this film:]
Revenge on a dead Karras
Destroy Kinderman spiritually
Spread more general ugliness in the world”
I think that your comment is perceptive and true – about Karras (not to mention Dyer and others formerly involved, even tangentially, in the MacNeil case)…but especially of Kinderman.
In the beginning, Kinderman complains to Fr. Dyer about all manner of ugliness in the world, and finds it nearly impossible to find a living, responsible and responsive God behind the mess. Then, at the end, to his own horror and impotent rage, Kinderman finds that the demon has forced the aging detective to make a “statement of belief” in the demon and everything it represents (“… I… believe… in… YOU!“, says the wretched Kinderman).
Kinderman’s only solace in all this consists, perhaps only in his finding, against his skeptical instincts, that the supernatural truly does exist and sometimes has commerce with earth. Like Chris MacNeil before him, Kinderman now knows that “the Devil” is real. But also like Chris, Kinderman has been given a tiny gleam of hope: he knows that he and exorcist Fr. Paul Morning have expelled both Vennamun and the demon, and finally sent the now-liberated Damien Karras home to the reward he should rightfully have received at the end of the first novel and film (and which he DID receive before studio tampering forced Blatty to re-conceive the possession method for the film).
Moreover, vis a vis the question of the reality and presence of an actively salvific deity: at the end, Blatty finally steps out from behind the veil he has created – the veil of the absent, non-intervening deity.
For the first time in Blatty’s writing, God is seen to actually intervene in the world/in the present, on behalf of the possessed and those who are trying to aid him:
Just when all looks lost, a beam of divine light shines through Vennamun’s cell window, quickening the unconscious Morning, warming and strengthening him, permitting him to grasp his crucifix and encourage Karras to overthrow the demon/Vennamun: “Fight! Fight him, Damien!” Morning’s blessed but desperate admonition – against all logic but on behalf of all hope, finally, through God’s present intervening help – gets through to Damien, who responds to it with a strong, rebellious “NOoooo!”, thus momentarily throwing off the demon and Vennamun, giving Kinderman his chance for human intervention. And in those precious seconds, Kinderman compassionately acts on Damien’s plea: “Bill! Shoot me now, Bill – shoot now … We’ve won… now free me.” Which Kinderman does.
Thus, while the demon was partially successful in increasing ugliness and evil in the world, and for nearly psychically shattering Kinderman through that onslaught, still: With his direct experience of Morning’s courage, Karras’ endurance, and the certain proof that both evil and holy supernatural events are absolutely real, Kinderman is left with a genuine, though battle-scarred, sense of benediction. And that provides a most fitting and moving end to this film, the only authentic Exorcist sequel.