Making revolvers, I started the era of thermal weapons

Story of: Making revolvers, I started the era of thermal weapons[Cultivation of immortality through technology + making weapons in the world of immortality + shady male protagonist] Xiao Yang traveled through the world of immortality and obtained the krypton gold upgrade system. In order to earn spiritual stones to upgrade, Xiao Yang created a special version of the arms for the world of immortality "Fusion Stage Monk" is amazing. Right? Come on, let Barrett hit him with a heavy sniper shot!" "A Mahayana monk thinks he can do it? Come on, give him a shot of the God's Punishment Railgun!" Xiao Yangshen blocked the killing god "Donor, put down the butcher knife. , Became a Buddha immediately!" The old bald donkey, right? Blue Fire Gatling Physics saved him!!In the end, Xiao Yang just wanted to say: "I wish the world nuclear peace"