User blog comment:Lightning the Skrill/Who Will Win? Red Death vs Bewilderbeast/@comment-24018437-20140702120049/@comment-24990845-20140702120339

Actually all dragons seen was only the dragons serving the Red Death. I have no idea why the Night Fury came and just destroyed everything, because Hiccup mentioned that the Night Fury never steals food which was what the other dragons did to feed the Red Death.