A "bad ego" refers to an overly inflated or unhealthy sense of self, often characterized by arrogance, a lack of empathy, and difficulty accepting feedback or criticism. It can lead to conflicts, distorted perceptions, and hinder personal and professional growth. I Believe that everyone have a devil character but we know how to control it . When im alone i talk to my self to control the emotion . When you believe God your bad character is Dieing and he comeback when you are doing something bad. So control it when you are alone. Your Shadow is not your enemy also is not your friend but they telling you for the direction of your life