Maybe it's not quite malice. Is there a word for knowingly becoming the villain because you've decided that the force of Moloch in civilization is unstoppable

Maybe it's not quite malice. Is there a word for knowingly becoming the villain because you've decided that the force of Moloch in civilization is unstoppable and if it's not you who uses your power to take control of something vulnerable and weak, someone else eventually will, and they might actually be malicious.