Big things are happening on TV Tropes! New admins, new designs, fewer ads, mobile versions, beta testing opportunities, thematic discovery engine, fun trope tools and toys, and much more - Learn how to help here and discuss here.
This is one of three films based on the story of Anneliese Michel. The other two were Requiem in 2006, which had much less of a mystical aspect to the story, and Anneliese: The Exorcist Tapes, a Direct-to-Video release in 2011.
What Could Have Been: The movie was originally supposed to be a period piece, but the budget constraints convinced the director to have the story take place in modern times.