If you already have a Gamer Launch account connect your Facebook account on your user profile first before using Facebook connect to login. Otherwise you may end up with a new account.
This boss will haunt me in my dreams for the next couple of weeks. Not having a remotely optimal setup for this was pretty annoying, but we finally did get him.
So for all you mages out there, please drop us an application. We would love to have more of you!