User blog comment:FairyRaven/Fairy Tail Chapter 371: Tartarus Arc, Part 2: Song Of The Heavenly Dragon, Review and Commentary/@comment-7418318-20140215085929/@comment-1359322-20140215090302

Seeing how Natsu had to eat Etherion and the Flame of Rebuke from Jellal to activate Dragon Force, i don't think Dragon Force is something that could be entered so easily. And please don't say Sting and Rogue's crappy Dragon Force. >_>