User blog comment:FairyTailFan7/Sting's Attacks Are Light Speed?/@comment-75.136.10.220-20150826213421

I used to disagree that Sting's attacks were light speed. But now I'm beginning to wonder if his attacks actually ARE light speed.

Makarov pretty much confirmed here that magic utilizes NATURAL forces. http://m.mangatown.com/manga/fairy_tail/v01/c002/22.html