User blog comment:IamJakuhoRaikoben/Chapter 388: Erza vs. Minerva, Review./@comment-5598380-20140613133747/@comment-24800928-20140617004015

what if the traumatic experience cause Carla to fully realize her power? I mean has fairy tail every faced as tough of a long-lasting foe as Tartarus before? The only thing i could think of that would be close would be Grimoire Heart. Of coarse there is no sign of that