Multiple Diagnoses and NPD NPD rarely appears in isolation. This seems to me to be a flawed procedure. It would have been very difficult to communicate meaningfully otherwise. We can stretch the definition of narcissism somewhat but we cannot include in it traits which are the absolute opposite of narcissism. Moreover, some of the traits you describe below belong to other PDs.
Narcissists do try to merge with an idealized but badly internalized object.
They employ various techniques to achieve this. The narcissist has a badly regulated sense of self-worth. However this is not conscious. This may be some other mental health problem but this can never be narcissism. Narcissism MUST include a component of active and conscious grandiose self-image.