“Narcissistic personality disorder (NPD) is a personality disorder characterized by a life-long pattern of exaggerated feelings of self-importance, an excessive need for admiration, and a diminished ability to empathize with other people’s feelings.”
Yes, they are awful people.
They feel inescapable, and it sucks being ruled by them
Yes, my understanding is that they’re irredeemable. They are often the people in power because they bully their way up.