A spiritual sequel to the film "Pastorela" (2011), which was also directed by Emilio Portes.
The possessions that happened in 2010 which are mentioned by Father Canetti, are the Devils from "Pastorela" (2011).
This film and Roma (2018) are the only Mexican films to be recorded with a 7.1 or higher sound mix.
Luis Carlos Fuentes, the script author, has also published two collections of short stories that are also based on dark humor/scary topics.
Despite the film being a Mexican production, the majority of the film is spoken in English.