Yeah, a few. Since it's Pathfinder, what level will we start at? Would a race like skinwalker be allowed (I assume yes since you said anything goes)? What isn't allowed that's important enough that I would need to know?
Level 1, and yes to skin walker. you can also have a feat in each category, faith, magic, region, etc. at start. players characters will act as either the leader or one of the leaders council, general, diplomat, spymaster, etc.