Glibness and Superficial Charm, Manipulative and Conning
They never recognize the rights of others and see their self-serving behaviors as permissible.

Grandiose Sense of Self, they feel entitled to certain things as "their right." Pathological Lying and they have no problem lying coolly and easily. Very convincing and they can even pass lie detectors.

Lack of Remorse, Shame or Guilt an a deep seated rage, which is split off and repressed, is at their core.

Shallow Emotions show what seems to be warmth, joy, love and compassion it is more feigned than experienced and serves an ulterior motive. Outraged by insignificant matters, yet remaining unmoved and cold by what would upset a normal person. Since they are not genuine, neither are their promises.

Incapacity for Love, but needs stimulation and
living on the edge, verbal outbursts and physical punishments are normal. Promiscuity and gambling are common.

Those are terribly qualities to have to deal within a person. Get out fast before you become a victim. If you are already trapped watch your back. Instead of friends, they have victims an accomplices who end up as victims. The end always justifies the means and they let nothing stand in their way.