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By @李华
In a world where humanity is confined to towering, steam-powered megastructures to escape the toxic ash-wastes below, survival is a daily transaction of blood and machinery. Silas, a cynical scrap-mechanic, lives by a simple rule: never look down, and never trust anyone. But his isolated existence shatters when he discovers the Core-Engine, a forbidden biomechanical heart that grafts itself to his chest, granting him the terrifying ability to manipulate kinetic energy and control the ash itself. With this stolen power, Silas becomes the prime target for the ruthless Iron Consortium, who will tear the city apart to reclaim their property. Now, he must climb the deadly social strata of the megastructure to protect the only person who knows his secret. As Silas battles mechanical monstrosities and corrupt enforcers, he realizes his newly grafted heart is ticking down. He must master his unstable power or become a hollowed-out weapon of the very empire he seeks to destroy.
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