Each and everyConjuring moviehas only added to the scares, all born of the “real-life” encounters from demonologists Ed and Lorraine Warren. But when it comes to which Conjuring movie is the scariest, one need only look at Rotten Tomatoes, since it’s still ranking in the top spot.

At 86% on the Tomatometer and 83% on the Audience Score, The Conjuring is the highest-rated on both sides. Pretty apt, since it was the movie to kick off the entire series.

Based on the true story of the Perron family haunting, the ghost story sees the Warrens visit the family’shaunted farmhousein Rhode Island in 1971. Directed by James Wan, the film was a huge success, earning $319 million at the box office and positive reviews from critics and audiences alike.

Its status as the scariest movie in the series might be subjective, but it’s hard to deny. The eerie farmhouse setting and the long, drawn-out scares made The Conjuring a stand-out in the horror genre at the time.

The religious imagery and haunting visuals made a huge impact on audiences, then and now.

While the plot isn’t confirmed forThe Conjuring 4, a number of the Warrens’ cases could potentially serve as the subject.

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The last movie,The Devil Made Me Do It, took place in 1981. If thenew moviecontinues to move through their cases chronologically, then it could revolve around the Snedeker case in 1986. Or the Smurl family haunting that same year.

However, the Conjuring movies still have yet to tackle the Warrens’ most infamous case: The Amityville murders.

The Conjuring 2 briefly eluded to this “haunting” in the opening scene. But considering how The Conjuring 4 will be thefinal filmin the series, this might be the perfect opportunity to explore their most famous case.

For more horror, check out ourLonglegs reviewand ourMaXXXine review. We’ve also got a guide to thebest horror on Amazon Prime Video. Not to mention a breakdown of whyNicolas Cage’s Longlegs serial killer is more terrifying than you think.

Jessica Cullen is a TV and Movies Writer on Dexerto’s UK team. She’s previously written for The Digital Fix, Cosmopolitan, Refinery29, Slate and more. Aside from being the residential Yellowstone expert, she also loves Westerns, ’90s action movies, and true crime. You can email her here: jessica.cullen@dexerto.com.