User blog comment:IamJakuhoRaikoben/Chapter 347: Red, Blue, and Blonde Hair Fight!, Review./@comment-121.222.175.199-20130817115525

Hmmm... Return of the Demon? With all the fiasco involving Moon Drip I can't help but suspect it'll have something to do with Deliora? Or is that too far-fetched? There are quite a number of 'demons' in the series. Mirajane is sometimes referred to as the 'Demon'... And all of the demons created by Zeref... But since it says 'Return' of the demon it'll probably be a character that we have encountered before and are familiar with...