Marching Out from Blue Star

[Sci-fi + fantasy, primarily sci-fi]

Meng Tian is defeated, the Northern Frontier falls, and barely any of the million-strong Qin army remain...

The First Emperor, Ying Zheng, is forced to awaken, only to discover that he has no troops left to send. He has no choice but to lead the expedition himself...

A generation's gifted general, Shaoqing, is beheaded to appease public anger after his efforts to seek reinforcements fail. Later, under Ying Zheng's plans, he is reborn on Earth...

Ying Zheng raises the imperial jade seal and cries, “I am Ying Zheng! I hereby command all transmigrators, reborn, and System holders on Blue Star to assemble at Qinhuangcheng in the Fallen God Sea of the Northern Frontier. Anyone who defies this order will have their entire clan executed...”

But during yet another test on Earth, their coordinates are exposed, and a technological civilization launches an invasion...

Having been reborn, Shaoqing leads humanity out of its predicament on the chessboard Ying Zheng has laid out, using Earth's current technology to protect the planet for ten thousand years...