Zamasu

Zamasu is a fictional character and antagonist in the Dragon Ball manga and anime series, Dragon Ball Super also a Kai from Universe 10, Zamasu is a calm and methodical person who cares about the development of the universe, but often questions the worth of mortals and doesn't trust their ability to handle conflict, Zamasu is easily considered the darkest villain to appear in the Dragon Ball franchise, due to her personality of hatred to mortal kind, along with her actions of not just murdering Gowasu (her former master) so she doesn't get in her way and she is going on exterminate mortals starting with your planet earth she also has goddess complex but can u stop her your world is in your hands