Narcissistic Personality Disorder is a mental disorder that was named with Narcissus in mind. People with this disorder have a high need for admiration, a sense of entitlement, and pay little attention to the needs of others.
Narcissists are very hard to recover from. Because they do not care about anyone but themselves. So anything they did or said to hurt you, they will never apologize for, as normal people do, so the victim still hurts