Lightbulb Film Distribution releases Diabolic on Blu-ray, DVD and digital platforms from May 25, 2026.
Synopsis
After suffering terrifying blackouts, a young woman returns to the religious compound where she was raised. As she unravels the dark secrets of her past, an ancient ritual unleashes the vengeful spirit of a cursed witch.
Review
Some horror films try to reinvent the wheel, while others are content just to keep it spinning. Diabolic falls squarely into the latter, offering a sleek but familiar descent into religious terror that feels like a remix of some of the sub genres greatest hits.
The story follows Elise, a young woman plagued by violent blackouts, who reluctantly returns to the remote fundamentalist compound of her youth to undergo an extreme exposure therapy ritual. However, the psychological demons of her past quickly take a back seat when a very real, very vengeful ancient witch enters the equation.
On a positive note, Diabolic brings some genuinely fun, effective jump scares to the table. The film proves to be capable at building tension in the dark, crafting a creeping atmosphere that keeps you on edge. Blending the real-world psychological trauma of heavy religious cults and merging with visceral occult horror—is genuinely strong. The lead performance of Elizabeth Cullen as Elise holds the narrative even when the logic begins to fray. On top of that, the film features a surprisingly clever late-game twist that reimagines the haunting situation and subverts a few standard expectations, giving the third act a much-needed burst of energy.
Clocking in at around 1 hour and 35 minutes, the swift runtime leaves the majority of the supporting cast heavily underdeveloped. Aside from Elise, the rest of the characters are reduced to no more than one or two defining personality notes before being thrust into the chaos. Because the film doesn’t take the necessary time to flesh out these relationships or make us care about the people occupying the compound, the stakes never feel quite as high as they should.
Verdict
Unfortunately, despite some high points, Diabolic can’t quite escape the roots of its own influences. For every moment of genuine originality, there are stretches of runtime that feel a bit too familiar. From the “traumatised protagonist confronting childhood demons” setup to the plugged-in scares, it is ultimately a lot of what we have already seen in many other supernatural thrillers before. The script occasionally bogs down in standard genre clichés, making the pacing feel uneven and preventing the film from truly breaking out of the crowded horror landscape. It is a perfectly competent, occasionally spooky ride for a Friday night, but one that doesn’t quite leave a lasting mark.
⭐⭐⭐
