Crossing Time and Space with a System

In 1639, the twelfth year of Chongzhen. Zhang Xianzhong rebelled again in Gucheng. Li Zicheng led thousands of troops out of the Shangluo Mountains. Huang Taiji sharpened his sword outside the pass, intending to sweep across the Central Plains. The Great Ming dynasty was tottering in the storm, moving step by step towards its end. In that year, He Xuan transmigrated to this world. Carrying the emotion system, he became stronger step by step. One punch destroys millions of Qing soldiers, one sword is invincible under heaven.