Talk:Dragon Classes (Franchise)/@comment-34118577-20180216120610/@comment-23825763-20180218235138

It is indeed canoical information. It's written on an official piece of DreamWorks information, so it is 100% canon. Also, who says dragons can't be in two classes? As we aren't part of the Viking world, we shouldn't try to put rules on dragon classifications that we can't actually know about.