Chongzhen: I Rely on the Arms Exchange System to Revive the Ming Dynasty

In the 17th year of the Chongzhen reign of the Ming Dynasty, Beijing was besieged by Li Zicheng. I, Emperor Chongzhen, awakened the arms exchange system. Come on, exchange 20 taels of silver for a 56 automatic rifle, and 100 taels of silver for 40 rocket launchers. Let's see who can stop me in this era. First destroy Li Zicheng, establish slaves in Qian Liaodong, and those colonists in Nanyang. None of them are allowed to escape. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.