As the Eternal Frost cold wave devours the world at a rate of 10°C a year, top engineer Shen Lian teeters on the brink of despair in a frozen wasteland where temperatures have plunged to -70°C. The mysterious meteorite-iron pocket watch left by his father suddenly grows hot. The Civilization’s Embers System activates, awakening the power of the Heart of Molten Fire within him. Armed with technological blueprints far ahead of their time, he forges miracles in a spatial furnace. Starting with repairs to a dilapidated subway station, he vows to build a beacon of hope for human civilization in an apocalypse ravaged by Abyssal Crystal Cores. Faced with the claws of mutated giant beasts, the guns of marauders, and the crushing might of Frost-Erosion Lords, how will Shen Lian rewrite his fate by mastering heat energy? Can he uncover the shocking conspiracy behind the cold wave and lead the survivors toward a warm sea of stars?