At the End of Ming Dynasty: Check in at the Beginning, I Will Lead Ming Dynasty to Change Against the Will of Heaven

In the seventeenth year of Chongzhen, the Ming Dynasty was about to fall. When Zelin woke up, he found that he had become a frontier soldier on the battlefield in Liaodong, facing the Manchu and Qing cavalry, and behind him was the decadent dynasty. Fortunately—— Sign-in system activated! Sign in every day to get access to magical weapons, modern technology, and peerless exercises! The mall system is open! Food, gunpowder, steel, war horses... The materials of the industrial revolution can be exchanged with one click! The mission system is coming! Kill enemies to level up, complete missions, and reach the sky step by step! Dorgon: This man wields soldiers like a god and has sharp firearms. Our Qing army cannot resist! Chongzhen: If I had met this person earlier, why would I do this! Wu Sangui: I regret that I should have led Qing soldiers into the pass... Zelin stood at the top of the Forbidden City, overlooking the world: "I will rewrite this world!" This is the story of a time traveler with a system, fighting his way through the troubled times of the late Ming Dynasty, expelling the Tartars, restoring China, and establishing a new dynasty!