A knife at the beginning almost killed the apocalypse

Introduction: (This book uses a lot of satirical techniques and may be blocked at any time. I hope you all enjoy reading it.) Space + Darkness + Hidden Villain + Decisive Killing If you could freely travel between the two worlds, what would you do? Selling gold? Start a high-tech company? No, these are just small things. After the male protagonist gained power, he directly destroyed Xiaori and killed Xiaoheizi. I wanted to let go of this world, live in seclusion, court a few beauties, and be at ease. But the world refused to let him go, pressing on him step by step, showing off his power. Since everyone is evil, let’s compete to see who is more evil! So after wiping out 30% of the population, the male protagonist rules the world in a friendly manner.