Metalocalypse: Army of the Doomstar (2023)

Nathan Explosion completes the Song of Salvation, and Dethklok's performance becomes the force that stops the end of the world and defeats Salacia's final push for power. The band survives the catastrophe, and the story ends with the prophecy fulfilled and the apocalypse averted.

The ending begins with Nathan still carrying the weight of everything that has happened to him and to the band, but he steps into the role the prophecy has placed on him and leads the final music that is meant to save Earth. Dethklok gathers for the last confrontation, and the conflict centers on whether Nathan can move past his damage and whether the band can act together instead of being ruled by ego and fear.

As the final confrontation unfolds, Salacia makes his last move, trying to complete the destruction tied to the Metalocalypse. Dethklok responds by playing the Song of Salvation, and that performance is the decisive act that breaks the catastrophe and prevents the world from being destroyed.

Nathan's fate is that he survives the ending and fulfills the prophecy by leading the band through the final song. Toki Wartooth survives and remains with the band after the rescue that began the film's final stretch. Skwisgaar Skwigelf survives the ending as part of Dethklok's final stand. Pickles survives the ending as well and remains with the band. William Murderface, whose missing status had been one of the loose threads going into the film, is tied up by the story's end and is present in the final resolution with the others.

The movie closes on the band having done what the prophecy demanded: they turn their music into the thing that saves the world, and the final conflict ends with the apocalypse stopped rather than fulfilled.

Nathan is portrayed as deeply traumatized, withdrawn, and blocked by the pressure of having to write the Song of Salvation while also dealing with intense emotional fallout from the events before the film. The film frames his struggle as both creative and psychological, with his damaged state shaping much of the story's tension.

The movie includes a betrayal from someone within Dethklok's wider circle who has been turned into a pawn of the Tribunal. This traitor works against the band at a key moment as the Doomstar nears Earth and the Tribunal tries to undermine Dethklok's role in stopping the apocalypse.

The Song of Salvation is the specific piece of music Dethklok must create to stop the impending Metalocalypse and save the planet. It functions as the film's central narrative objective, turning the band's creative process into a literal world-saving mission.

The story begins after the rescue of Toki Wartooth, and his return is part of the setup that places the band in its new crisis. Toki's rescue is one of the key events that leads into the film's larger conflict over Dethklok's future, the prophecy, and Nathan's destabilized condition.

Salacia is the ultimate evil the band must face, and the film builds him up as the central supernatural threat behind the Doomstar and the impending apocalypse. He is tied to the Tribunal's larger plan and becomes the main antagonist Dethklok must confront while trying to complete the Song of Salvation.