Starring Ine Marie Wilmann, Kim Falck, Mads Sjøgård Pettersen, and Gard B. Eidsvold, it follows a ragtag group of people who must come together to stop an ancient troll that was awakened in a Norwegian mountain and prevent it from wreaking havoc.

Principal photography began in August 2021 and wrapped in November, with location shooting taking place in Askim, Dovre, Indre Østfold, Lom, Øyer, Rena, and Ulsteinvik.

While the collected scientists initially believe that the eruption was caused by the miners hitting a pocket of methane, only Nora and the prime minister's advisor, Andreas Isaksan, point out that the region is surrounded by large impressions that appear to be footprints.

The prime minister permits them to investigate the possibility further with Norwegian military soldier, Captain Kris Holm from the FSK, when a second incident miles away tears apart the home of an elderly couple near Lesja.

Nora begins to believe that a Troll may be responsible and the three seek assistance from Tobias, who has since lost his professorship for his belief in the existence of a real basis for mythical creatures.

While Kris calls on fellow soldiers to make the troll trap, Andreas asks his friend Sigrid at the secret government facility to delay the bombing of Oslo.

"[4] Principal photography for Troll began in August 2021 and wrapped in November,[5][6] with location shooting taking place in Askim, Dovre, Indre Østfold, Lom, Øyer, Rena, and Ulsteinvik.

Marco Vito Oddo of Collider gave it a rating of C+, writing that while its "not getting any awards for originality" it nevertheless "delivers what it promises by telling a story about a giant creature that destroys cities in its waking and the humans who try to prevent catastrophe.

"[12] South China Morning Post reviewer James Marsh felt that despite "the effects work is first-rate and the action efficiently handled", it features a "frustrating lack of Scandinavian specificity on display, with Uthaug more eager to emulate blockbusters like Jurassic Park and Godzilla than introduce international viewers to his homeland’s unique folkloric threats.

"[13] Bloody Disgusting's Meagan Navarro felt that "what Troll lacks in originality, it makes up for in fresh mythology", and concluded "it's fun enough and does deliver on spectacle, but most of all, it leaves you rooting for its magnificent creature.

"[14] Screen Anarchy critic Peter Martin commented "the movie feels faintly familiar," adding: "while refreshingly different, featuring new wrinkles that are well-considered and profoundly satisfying.