User blog comment:IamJakuhoRaikoben/Chapter 447: Escape Battle, Review./@comment-7418318-20150805221320/@comment-25111584-20150806061524

Well ...

It's definitely weird that using Transformation Magic does not take a toll with time, but actually gives her Magic Power a boost, but that's what Mashima has said. We gotta roll with it. So it's not weird that she's always in this form. :P