Zhao Tiejun, a modern veteran, transmigrates into the Great Yan Dynasty as a disgraced commandant on the northern frontier.
The borderlands are in ruins. Blackrock City has a thousand men short on food and armor, Xiongnu cavalry bears down on the frontier, and corrupt officials at court are withholding military supplies.
With an ancestral jade pendant, he travels between the modern and ancient worlds. He has no System and no golden finger, relying only on knowledge and his own hands.
He improves the flintlock, experiments with growing potatoes, builds cement roads, and establishes an arms factory. From a lowly frontier soldier, he builds an entire industrial city from the ground up!
Mozi becomes his master craftsman, Zhang Qian his envoy, Guo Ziyi his shield, Wang Anshi his administrator, and Yue Fei his spear...
One city turns the tide of the nation. Firearms shatter the smug faces of corrupt scholars, railways reach through the Western Regions, and steam warships plow through the East China Sea!
It's great, I read dozens of articles in one go.