The sadistic narcissist perceives himself as Godlike, ruthless and devoid of scruples, capricious and unfathomable, emotion-less and non-sexual, omniscient, omnipotent and omni-present, a plague, a devastation, an inescapable verdict.

Children happen to be more attached to the female narcissist due to the way our society is still structured and to the fact that women are the ones to give birth and to serve as primary caretakers. It is much easier for a woman to think of her children as her extensions because they once indeed were her physical extensions and because her on-going interaction with them is both more intensive and more extensive.
[The] male narcissist is more likely to regard his children as a nuisance than as a Source of Narcissistic Supply - especially as they grow older and become autonomous.
With less alternatives than men, the narcissistic woman fights to maintain her most reliable Source of Supply: her children. Through insidious indoctrination, guilt-formation, emotional sanctions and blackmail, deprivation and other psychological mechanisms, she tries to induce in her offspring dependence which cannot easily be unraveled.

Often the narcissist believes that other people are "faking it", leveraging emotional displays to achieve a goal. He is convinced that their ostensible "feelings" are grounded in ulterior, non-emotional motives. Faced with other people's genuine emotions, the narcissist becomes suspicious and embarrassed. He feels compelled to avoid emotion-tinged situations, or worse, experiences surges of almost uncontrollable aggression in the presence of expressed sentiments. They remind him how imperfect he is and how poorly equipped.

Hate is the complement of fear and narcissists like being feared. It imbues them with an intoxicating sensation of omnipotence.

But both the narcissist and his partner do not really consider each other. Trapped in the moves of an all-consuming dance macabre, they follow the motions morbidly - semiconscious, desensitized, exhausted, and concerned only with survival.

In the narcissist's world being accepted or cared for (not to mention loved) is a foreign language. It is meaningless or even repellent. One might recite the most delicate haiku in Japanese and it would still remain utterly meaningless to a non-speaker of Japanese. This does not diminish the value of the haiku or of the Japanese language, needless to say. But it means nothing to the non-speaker.

Narcissists damage and hurt but they do so offhandedly and naturally, as an afterthought…

They are aware of what they are doing to others - but they do not care.