User blog comment:Miskos3/Fairy Tail 527: Emotion, Review/@comment-2214433-20170317094331/@comment-2214433-20170317130812

Why? That arc is still the best arc in the series. Just because he didn't think of it right when he introduced Erza doesn't mean it's bad.

In fact, there's nothing bad about adding stuff onto the story later if you can make it fit well with that story.