Hellblade: Senua's Psychosis, a short documentary film included with the game, details the concept behind its story and inspirations, notably the team's study of mental illness.
Set in the age of Vikings, a broken Celtic warrior named Senua embarks on a haunting vision quest into Viking Hell to fight for the soul of her dead lover.
Senua returns in a brutal journey of survival through the myth and torment of Viking Iceland. Intent on saving those who have fallen victim to the horrors of tyranny, Senua faces a battle of overcoming the darkness within and without.