The Fall of Zephyr

As the Upperworld begins to crumble, Onyx abandons his role as a guide to join Luna on Earth, where she faces threats from a mysterious assassin. Together, they navigate the human world while avoiding danger, amid a larger crisis looming in the Upperworld, where the death of the Most High Being could threaten all of existence. Meanwhile, factions of Upperworld dwellers rally to prevent catastrophe, setting the stage for a tense struggle between allies and enemies.