User blog comment:IamJakuhoRaikoben/Chapter 394: Juvia vs. Keith, Review./@comment-7418318-20140725115329/@comment-25111584-20140725123020

^ This. Absolutely. Especially the last sentence. ... Though I don't think Lucy relearned Urano Metoria, I think she just has had it since then, but it still makes sense, considering Hibiki's magic. Might be mistaken here though ...