Traveled to the Late Ming Dynasty and Became Li Zicheng

In an accident, Xu Tianling suddenly found that he traveled through time and became Li Zicheng. The most important thing is that after traveling through time, he found that Li Zicheng's life was about to end. In order not to be a short-lived Li Zicheng, Xu Tianling used his modern historical knowledge to conquer the Jin Dynasty, remove Wu Sangui, conquer the previous royal family, and start his grand hegemony bit by bit.