If you loved Gonjiam: Haunted Asylum, try The Priests
A bridge between a film you've already seen and one most people haven't. The Priests has roughly 6.6× fewer votes than Gonjiam: Haunted Asylum — it's a deeper cut, not a mainstream recommendation. Here's what they share, and what the second one does that the first one doesn't.
What they share
Theyboth carry the dread mood tag, and they sit in Horror / Mystery territory. If that's the register that drew you to Gonjiam: Haunted Asylum, the second film will land in a comparable space — through a different lens.
dread
What The Priests is
Dark Seoul alleyways at dusk a solitary church bell tolls a priest and deacon leap into a mysterious case Jang Jae-hyun helms this Korean horror.

