Alien Technology Weapons

You say muskets are toys? Forgot to tell you that I use Barrett. ——Aftermath A story about an earth scientist who was tragically stabbed to death by gangsters because he was a hero saving a beauty, and his soul traveled across time to the Dragon Tongue Continent. In this world where qigong masters decide everything, there is a technology called useless that has just begun to sprout. But is technology really just a light bulb that lights up? A mad inventor from the earth relies on the crazy invention ideas in his head to fully arm himself with the power of science and technology on the path of Qigong practice.