User blog comment:Blood Reaper/Skyrim Dawnguard Trailer/@comment-4772788-20120531195710

Definitely vampires, by the looks of it, the thing I don't understand is that one of teh elder scrolls are with the greybeards (if you finish story line), making it inaccessable to any who would try to take it (you think ulfric shouting the high king apart was bad, try his teachers who had decades of extra experience in teh art of thu'uming, they could probably shout at you out of existence..."