User blog comment:IamJakuhoRaikoben/Chapter 493: The White Dragneel, Review./@comment-76.161.172.226-20160711151314/@comment-1359322-20160711161900

I agree she's not weak, just stating that Mashima using Laxus and Erza do feats like defeating a Spriggan on his own and facing against two Spriggan is like setting up a strength gap between them. It's as if Mira doesn't have what it takes to take on even a regular Spriggan.