Nine thousand meters beneath the waves, humanity is running out of air. And above the surface, something is waiting. The World Welcome to Thalassa Prime, a brutal water-world where the surface is a chaotic nightmare of plasma storms and lethal radiation. To survive, humanity fled into the blackness of the ocean trenches, building Nadir-7-a towering, hyper-dense submerged megacity. In the upper tiers, the corporate elite bathe in luxury and simulated sunlight. But at the crushing bottom lies The Sump, where the forgotten working class bleeds to keep the city's atmospheric cores running. Overlaying it all is the Lumina Mesh, a neon-violet digital reality that hides the decay of a dying civilization.
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