Soulful, hang in there; not much longer to go. Do what you need to do to protect yourself and your finances. One good thing from these revelations is you will no longer have a sense of guilt about leaving him and make too many concessions as a result.
It sounds like you might have bought into his inflated opinion of himself as being vastly superior, an exceptional person. Which is ridiculous when you put it like that. What has he done to justify this fictional image?
Try not to beat yourself up about being fooled by him. Getting a more reality based outlook is just a normal part of maturing and growing.