Children of Narcissistic parents are perfect sources of supply. They are no better thought of, they come in handy when supply is scarce and just like everyone in close proximity to the Narcissist, they are idealized, manipulated and stonewalled when.
Put your own oxygen masks on first. We can guve and help othrrs only from our overflow and reserve of good energy. We must help ourselves first and then give to others. VALUE YOURSELVES EVEN IF IT MEANS HARD WORK!
My ex friend would often give me the silent treatment, play manipulative mind games, use the smear campaign, or make false promises to me every time i stood up for myself and don't give her what she wants.