Horizon

In the thrilling conclusion of the Above World series, Aluna and her companions confront the formidable Karl Strand, a villain with a dangerous plan to unleash his army of tech-enhanced soldiers on the world. Determined to prevent war, Aluna, Hoku, and their friends undertake a perilous mission to infiltrate Strand's forces by posing as Upgraders. As their strategy begins to unravel and loyalties are tested, the friends grapple with their dwindling chances to unite against a common enemy. What started as a quest to protect their own people evolves into a harrowing battle for the fate of the world.