use oneself with.However, with gunpowder and Li Chen's memories and scientific knowledge from his time, guiding those artisans to explore concepts like bullets and rifling, bringing forward the invent...Chapter 1556: Negotiationt when it came to details, one must be meticulous, for often, it is these seemingly insignificant details that reveal major problems.It was precisely for this reason that Xu Wei, after leaving the pri...