It is based on a real story to some extent. The film takes elements from the lives of frontier explorers and their struggles in the wild, but it also adds fictional elements for dramatic effect.
The Revenant movie has some basis in true events, but it also incorporates fictional elements and creative interpretations to make for a compelling cinematic experience.
Sure is. The movie takes cues from real-life events and incorporates them into its narrative. It weaves a compelling story based on actual happenings, but with some artistic liberties for cinematic effect.