This movie absolutely nails the high points of "cosmic horror" in the modern age. While it stretches its premise with oddball schlock tropes, (the bdsm themes,) I still maintain that one of the most chilling lines in all of movie horrordom is Combs' initial description of the events from the opening sequence.
Lovecraftian horror is in the execution of describing the unknowable through relatable terms and coming to awful realizations of understanding, and this movie hits the nail on the…