In 2039, robotic invaders from an alien race attack Earth. The alien robots are bloodthirsty, killing people and devouring their souls, plunging Earth into an apocalyptic crisis where everyone fears for their lives. At this desperate moment, Xuan Yuan Jingyu returns and is entrusted with the task of building fortified cities, advancing technology, and raising an invincible army to save Huaxia. [No System, No Harem, Pure Power Fantasy]