User blog comment:Omega natsu2/Chapter 385: Spirit King vs. Demon King, Predictions./@comment-77.194.131.143-20140523065533/@comment-4829046-20140523073053

Lucy imo shouldn't become that proficient and especially not in water since it would turn out to be a joke with her becoming a PROPER rival of Juvia. >_> Even Ellie didn't get to that extent despite having the most OP magic. Sure she used it in battle, but she couldn't do just anything.