User blog comment:SecretWielder/Immunity/@comment-26409784-20150815130248/@comment-24546844-20150815131813

He didn't seem to be harmed by the combined attacks of the Fairy Tail magic. Maybe just because he's that strong (he tanked three DS spells that time) but I guess there's no point in dragonification if he doesn't gain the properties of dragons too, so it must be a combination of both.