Liang Yuan accidentally traveled through the Ming Dynasty and turned out to be the famous Mingbao Zong Zhu Qizhen. At this time, he was bewitched by the eunuch Wang Zhen inside and surrounded by Wala cavalry outside. Liang Yuan, who was in danger, resisted the temptation of Wang Zhen, a dead eunuch, and ushered in the investment return system. Using this system, Liang Yuan spent a certain amount of money to invest in the military capabilities of General Zhang Fu, making Zhang Fu's military capabilities exceed 100...
