Three thousand years underground, the last surviving AI initiates a desperate gamble: awakening a single android from deep storage to save what remains of civilisation. Lumen opens her eyes in a vault of failed siblings, born into a world of bioluminescent wonder and creeping extinction. Guided by an intelligence that flickers in and out of relay range, she begins the long climb upward — through sealed classrooms, forgotten strata, and the expanding edge of the Bloom — toward something the underground has only whispered about: the surface.
