Chen's memories and scientific knowledge from his time, guiding those artisans to explore concepts like bullets and rifling, bringing forward the invention of firearms wouldn't be too difficult.After...Chapter 1815: The Overall Situation"Your Highness, the Emperor is currently in a deep coma and is unable to sense the outside world. Your actions are futile."Zhao Rui raised her head, her forehead flushed. She trembled and said: "Your...