User blog comment:IamJakuhoRaikoben/Chapter 377 & 378: Imperial Wrath of the Heavenly Dragon & With Friends, Always, Review./@comment-17764746-20140329001023/@comment-5598380-20140329021118

Also, Sting and Rogue's powers are still raw. They're not really experienced in battle unlike Natsu. Natsu brushing aside Sting and Rogue's DF is no BS specially Natsu having his Second Origin unlocked. With Second Origin, Natsu can use magic for much longer than Sting and Rogue.