I was not a part of them, nor were they originated by me. First, you have to establish clear priorities. The result of all these deliberations should be a plan of action executed unhesitatingly and irreversibly. Pack your things and go. Contact him through your lawyers.
Narcissists are poisonous.
There is no way to leave such a situation in stages. There is no respectable retreat. Many women are worried about the possible consequences of such an act. They usually do not act on them or act half-heartedly so as to fail. The narcissist is autistic.