The surprisingly creepy 1991 made-for-TV chiller The Haunted would make a good subject for a future Conjuring sequel.

So the FX are cheap as Microsoft Paint doodle quality, but the faceless blob that appears a few times tormenting the family is genuinely unsettling, such as here, where the Smurl clan escape their haunted abode for a weekend camping, only to find the blob has followed them!