[quote=@VitaVitaAR]
Also, I'm looking for suggestions for side-factions. Hopefully this won't make things too complex.
[/quote]

I have one. 
The league of the Multiverse hunters 
An elite club of hunters, archaeology, explorers, and adventurers. That roam around the multiverse looking for adventure. They are mostly neutral in the grand scheme of Multiverse politics.