Exiled to a frozen wasteland and forced into a political marriage, Prince Wei Yuan thought his second life was over. But on his wedding night, a mysterious system offered a bizarre path to absolute power: sire heirs, gain god-like rewards. Each child born transformed his barren territory, forging an unstoppable legion from his own bloodline. Now, the 'useless prince' marches on the capital, and a terrified empire asks one question: how can you stop an army sired by a single man?