Empathy is Gone.

Lack of empathy is one of the most striking features of people with narcissistic personality disorder. It's a hallmark of the disorder in the same way that fear of abandonment is in borderline personality disorder.

"Narcissists do not consider the pain they inflict on others; nor do they give any credence to others' perceptions," says Dr. Les Carter in the book Enough of You, Let's Talk About Me (p. 9). "They simply do not care about thoughts and feelings that conflict with their own." Do not expect them to listen, validate, understand, or support you.

Never let a narcissist determine your self-worth. Narcissists lack empathy and the ability to validate others, so don't trust them with sensitive information or sharing important achievements because they won’t treat it with the respect it deserves.

Pity the Narcissist. Arrogance doesn't inspire sympathy or compassion. But at the end of the day, when you think about it, pity may be the only emotion evoked by someone who is so desperately in need of constant compliments, attention and validation.

Source.