1. Brainwashing the mind of the victim:
Manipulation is the technique that narcissists use to get what they want from people. Simply, in accordance with time, they manipulate their partners to get the narcissist supply from them.
The biggest manipulation that is done by the narcissist is when the relationship is about to end. The narcissist completely brainwashes that you are the reason for the damage of relationship. They even manipulate you to believe that you are a drama queen or some kind of a very sensitive person. In simple, the narcissist creates a belief in you (even without your knowledge) that you are unsuitable for any relationship.
2. Starts the search for a new narcissistic supply: