User blog comment:FairyRaven/Fairy Tail Chapter 333: Man and Man, Dragon and Dragon, Man and Dragon, Review and Commentary/@comment-6338793-20130531132004/@comment-6338793-20130531185314

Well, the bold-italic one. What if, future Rouge and present one are to fight each other and which one will prevail? Similar to Yoh, who's trying to become a shaman and fights in the end with his evil twin. ( It was long time ago, so I don't remember that clearly  ).