Ok, so, apart from the setting, what's your driving motivation for the story? What's the theme? Is it an Adventure? I'm asking that first because I'm almost certain that's what it is. Presuming it is, what's the focus? Over the top combat where heroes slice open heads by the dozen, unleashing landscape altering spells? Gritty realism where down to earth characters try to survive using their wits and the environment to beat superior forces? Avoiding combat entirely by diplomatic and stealthy means? Will travel to exotic lands be important, or will trouble come to us as we centralize around an important location? These are questions that I think have meaning, but are currently not addressed.