The violence was for me almost unwatchable, but it’s a well-made and worryingly plausible film.

Peter Bradshaw

The Guardian

Åkerlund’s understanding is more like contempt, in a film that downplays the bigotry of the Norwegian black metal scene and shrugs off the severity of its actions with a “boys will be boys” approach that has no reverence for the scene, but doesn’t provide any insight into it, either.

Katie Rife

The A.V. Club