A military engineer in the 26th century, he traveled through time to the late Chengyuan Dynasty and was the descendant of a military craftsman whose family was in decline.
Scientific knowledge that transcends the times (especially military industry, physics, chemistry) and strong data analysis capabilities. But he had no "system" and all his achievements relied on knowledge, practice and the skilled craftsmen of this era.
This is not only a cool article about "technology crushing", but also a story about the collision between ideals and reality. The protagonist must use the thinking of later generations to do things under the rules of the 14th century, how to balance ideals and compromises, and how to protect the people around him.
