Zordon: Most of the problems I have with your character can be summed up with 'Nora is a Mary Sue'. Perhaps you did not allot yourself enough time to think on possible drawbacks, weaknesses, ect that she may have but as it stands she's 'perfect'. 

Kelnorah is similar, having no real drawbacks, except she is characterized as someone who messes with people for the sake of it. This does not fit with Nora in any way. Sure, you could reason that maybe MC is making her out to be a baddie because she's not too fond of her sister, but that would be a very conscious move on her part. Kelnorah is part of MCs subconscious, the very same that's trying to get her to mature. Also there's the minor problem I have with how vague her personality is. 

I'd also like for you to focus on the interactions between Nora and MC in Nora's Bio as apposed to mentioning too much about their parents. Someone else is going to write for the parents and it would be unfair to mention their behavior. I know in PM I said the same about MC but on second thought I can be more lenient about that since she's just as much your character as she is everyone else's. The parents are going to be PCs though so please focus on Nora and MC in that bio. 

Sorry if I focused on the negative but that's how I do my assessments. It's more effective when I'm assessing my own work :/