Traveling Through Time and Becoming an Abandoned Son: I Rely on Fire Guns to Become the Commander-In-Chief of the War Against Mongolia

Who knows! Traveling through the Southern Song Dynasty to serve as a minor official, the Mongols directly came to the city? I used my backhand to create a cluster of fire cannons and thunderbolts, and raided the grain road at night to burn down the Mongolian army's granary, so that the 100,000-strong army could not fall behind! Xuyi held on, next stop: Northern Expedition to Mongolia!