The beginning is a desperate situation! During the Tumu Fortress Incident, the Ming Dynasty was in danger. Lu Xu traveled through time and became a gunman who followed the army. His boss ran away, his colleagues were defeated, and the cold judgment of history sounded in his ears: "Fifty thousand Ming troops died here."** But the firegun in his hand can accurately lock on targets thousands of miles away, use mathematics to calculate the ballistics, use chemistry to improve gunpowder, and use physics to forge magic weapons! ** The Ora cavalry came towards them like the wind, Lu Xu raised his hand and fired: "The time traveler is the most powerful bug in this era!" When the enemy chief's flag suddenly collapsed, everyone thought he was a monster, but they didn't know that this was just his first shot to rewrite the fate of the country!
