User blog comment:FairyRaven/Fairy Tail Chapter 313: Champion's Scenario, Review and Commentary/@comment-4933386-20130104134631/@comment-5268982-20130104140437

Well, seeing how he suddenly appeared and disappeared again, it's the safest conclusion I can reach, without it being confirmed of course >_> I guess we'll get our answers when Kagura or Erza fight Minerva.