User blog comment:LastationLover5000/Fairy Tail 307 - In Which My Favorite Kitty Is Alive (Garou Knights)/@comment-3030647-20121109234154

...I still don't see how emotions correlate to power >.> Unless Hiro does this correctly and has Sting possess something along the "Light of Emotion", something which had been of Natsu's possession [Flames of Emotion (or something along that line)] when the manga was AMAZING, then maybe this could work out.

About Yukio being Edolas Lisanna...eh, its Hiro, anything can happen.