User blog comment:Omega natsu2/Chapter 385: Spirit King vs. Demon King, Predictions./@comment-77.194.131.143-20140523065533/@comment-77.194.131.143-20140523071430

so basically, if Lucy did the same thing as Natsu and Gajeel, maybe some of this power will remain inside her and awake the power of hydrokinesis. So she will have to train to use it as her own power