User blog:AsteriaNyx/FAQ

Why can't I use famous people for my characters?
Yes, this is a completely different universe from the TLA and LOK. Yes, people who are famous here, would not be known there. But, this does not have to do with altering the worlds or making Rps confusing. This has to do with fanboys/girls fighting over popular characters, like Natsu, for example. This rule is simply to keep order. If you want to know how to verify if your character is too famous, read the policies.

How DOES power progression work?
This answer is on the http://avatarrp.wikia.com/wiki/Forum:Changes_to_power_progression?t=20141102195649