Well, don't count an old demonic overlord out just because they're a bit on the reserved side. I may be a special recruit for a heroes party if they do the right side quest! My spell list is quite impressive.
So they have, it seems. But time and age change things exponentially, so I'm not...
Oh. You know. Just being a hermit Demon Lord... My power has dropped, I can't even conquer a mere human anymore, no worshipers or Vassals. Kind of peaceful, though.
Glad to hear you've got that kind of aspiration, that said, I still worship Dago.