The Exorcist was greenlit for a first season. In February 2008, American playwright John Pielmeier expressed an interest in adapting William Peter Blatty's novel of the same name into a play and soon met with Blatty. He then began working on a script for the play, in which the first draft was completed in ten days. "The Exorcist" first premiered at the Geffen Playhouse, Los Angeles in 2012. A horror VR video game, called "The Exorcist: Legion VR", was published on Steam, Oculus and PlayStation in 2018 and was based on the events of "The Exorcist III". In November 2009, it was
Exorcist has been mandated to perform the rite of solemn exorcism. Since at least the third century, the Latin Church has formally ordained men to the minor order of exorcist. Text previously attributed to a fourth Council of Carthage (398), now identified as a collection called "Statuta Ecclesiæ Antiqua", prescribes in its seventh canon the rite of ordination of such an exorcist: the bishop is to give him the book containing the formulae of exorcism, saying, "Receive, and commit to memory, and possess the power of imposing hands on energumens, whether baptized or catechumens". These exorcists routinely performed ceremonies over adults