User blog comment:FairyRaven/Fairy Tail Chapter 324: The One Who Closes The Door, Review and Commentary/@comment-5668006-20130322140718/@comment-5268982-20130322204857

Well, Rogue has another 7 years advantage...and the land of his era is inhabited by Dragons...so he must have grown very much as a Dragon Slayer. I cannot see how Natsu can top that as he is right now, but I'm almost sure he will.