User blog comment:IamJakuhoRaikoben/Chapter 452: The Prelude to the Final Battle, Review./@comment-6904925-20150914075703/@comment-5693502-20150914082026

I think the problem is, the Fairy Tail guild as a whole (or at least the main members) has an extremely rapid growth rate in comparison to their peers. So while Fairy Tail levels up a number of levels, their enemies just sit on their thumbs waiting for FT's retaliation...