Just make one simple critique. As soon as you say you doubt the narcissist's account, they're more likely to melt down and become illogical. That way, it'll be a lot easier to point out all their inconsistencies. One small, negative remark can make a narcissist crack and expose all their manipulation.
They usually want to be the center of attention and may do anything to get it. To make a narcissist fear you, you should avoid feeding their ego. Don't give them the attention or praise that they crave. Instead, focus on your own needs and interests.
A monumental weakness in the narcissist is the failure to look internally and flesh out what needs to be worked on. Then, of course, the next step is to spend time improving. The narcissist sabotages any possibility of looking deep within.
Although narcissists act superior to others and posture as beyond reproach, underneath their grandiose exteriors lurk their deepest fears: That they are flawed, illegitimate, and ordinary.
Don't accommodate them. If they need you to do something for them, even if it's small or no trouble at all — don't do it. Try to refuse them with the least amount of fuss possible. Know that the more you do for the narcissist, the worse it will get.
"They often gravitate towards those who can serve their needs, whether it's through admiration and validation or providing a sense of control and power," she said. "It's a complex dynamic, and understanding it can be helpful in navigating relationships with individuals who exhibit narcissistic traits."
They Are Criticized. When a narcissist is criticized, their inflated sense of self is damaged. Any perceived negative feedback, even if offered in gentle or productive ways, can easily result in outbursts of narcissistic rage. A narcissist cannot tolerate threats to their massive egos and grandiose self-image.
Although they can be targeted, type A people can also become a narcissist's worst nightmare. One of the most important defenses against dark personalities is having strong boundaries yourself, and type A people are usually aware they have the right to build them.
It comes hand-in-hand with this that narcissists hate being criticised or called out. Which is exactly why there's one word in particular narcissistic people cannot stand: "no".
There are many words people high in narcissism don't want to hear, but perhaps the worst involve a “no,” as in “No, you can't," "No, you're wrong," or — even worse — “No, I won't.” This makes it difficult to go about your ordinary business with the people in your life who don't understand the give-and-take of normal ...
Narcissists are highly sensitive to criticism or any perceived threat to their self-image, and they will go to great lengths to protect it. If you criticize them or challenge their dominance, you will trigger a defensive response.