User blog comment:Tutles/Prologue to Chapter 276: Chariot Review/@comment-3556212-20120323122920/@comment-3556212-20120323134711

Lol! Natsu was only able to go into Dragon Force by consuming incredible amount of there respected elements, Laxus given Natsu his power but it didn't trigger Dragon Force maybe because Lightning is not Natsu's element and I think your theory is quite far-fetched.

If my theory is right Sting and Rogue can access Dragon Force freely because of Dragon Slayer Lacrima!