Poor Craftsman

Chen Yu, a modern military engineer, accidentally traveled to Dengzhou in the late Ming Dynasty and became the son of a craftsman. Relying on scientific and technological knowledge that surpassed the times, he started by improving a firecracker and casting a bronze cannon, trying to save the world. However, the decadent dynasty, the ferocious tribes outside, and the internal strife and intrigues all tested his skills and original intentions. This is a road to national salvation paved with steel and fire. Can he use technology to reverse the fate of history?