Global Freeze: I Built a Doomsday Arsenal

The end of the world + zombies + system + struggle for hegemony in the late Ming Dynasty, the protagonist kills decisively, not the Holy Mother. In the last days, he has an arsenal and is a powerful leader worth following. In the Ming Dynasty, he was a general who guarded a city, fought in all directions, and was powerful in the world. At the beginning, there is a shuttle door that can connect the Ming Dynasty and the end of the world. Let's see how the protagonist Xiao Chu reaches the peak of strength step by step.