Doom Lord: I Rely on the Transformation of the Undead to Save the World

The sky shattered, the black mist of doom came, and the will of the world divided the space equally. Everyone got a territorial space and development system of their own. Facing the endless wave of monsters, everyone was struggling to survive. When they were still calculating how to maximize the benefits of every bit of money and every resource, Qi Chonghua, who mastered the transformation of the undead, said, it doesn't matter, there are endless monsters in the black tide? What I fight is endless! Save the world? Something convenient. How to save? Don't ask yet.