National Destiny Prohibits Good Deeds: I, the God of Killing, Am Forced to Save Aliens

Alien races around the world are massacring cities, and all human beings are fighting in bloody battles. I am the strongest serial killer god in mankind, killing and conquering the world. But... My binding national transportation system forces me to: We can only save aliens, but we cannot kill aliens. If we don't save them, we will waste our country's fate, our cultivation, and our lives! ! !