Just call SE and talk it over with them, since I'm sure by this point in the game, they probably want your continued income. Worst case is that you have cemented closure, best case is they do the ol "We'll investigate further" routine and a few months later you might get your account unbanned.
Nothing to lose but time you would have put into XI and a phone call to Cali, you know?
yeah... i guess having 3 mythics, empy, and ergon would be a red flag for definitely cheating
There's a Kanye West joke in there somewhere.