I don't roleplay in fandoms I don't know about. There was one exception, but even then I had done my share of research over my interest for a particular character
Well, tell about it. Story line, setting, time period, races, magic system... That's what makes or breaks a fandom for me, most of the time.
Their is the Laguz which are people who transform into animals. Theirs also the manakete people who can transform into dragons
I don't think magic has any rules to it. And I don't think so their isn't any hybridzation of magic. Another magic I forgot to mention is Ice