Fireshine is about a family testing their strengths on each other. Then they are dragged in a real fight for survival as they never had faced before. They live on a flying continent or realms I call them in the book protected form the evil watchers of the realms. AS the evil comes to them for the first time they have to adjust to the situation. Maybe one of them are to equipped for the task or is it a part of the plan ? as part of the battle of the genetics begins.