User blog comment:IamJakuhoRaikoben/Chapter 458: Morning Star, Review./@comment-25111584-20151026095941/@comment-26167397-20151026162530

I wouldn't say Cana is weak either, she's been stated to have latent immense amount of magic power capable enough to use Fairy Glitter. Whose to know that she has discovered it throughout the year and we will see her potential. Lucy barely shown her improvement as well but has shown to be quite strong herself which I believe it'll be a good battle with Brandish (not that I'm saying they will beat her). Juvia is strong but wouldn't be able to put up a good fight (unless with the power of feelings) with a Spriggan because of Lisanna (no offense). Her improvement seems mostly revolve around fodders than major villains which is why I don't think she'll be much of help with Juvia. :/