During the possession scenes, one of the actors passed out from exhaustion and an ambulance had to be called.
The demon suits had to be molded to each character actor before every shoot and it took 12 hours to dress each demon.
The caves used for the film are actual underground caves.
The cast and crew brought Sage and did cleanses before each shoot.
No other film has had transforming weapons and this is a trademark of the Cloth franchise.