Dragons: Riders of Berk Season 7 Episode 7 - Dawn of Destruction Episode Title:Dawn of Destruction.Episode Description:Hiccup and Astrid leave together on a supply run against strong protest from the other Riders. In their absence, the Edge is attacked by a group of Singetails, which the others discover are being ridden by the Hunters and led by Krogan atop a Titan Wing Singetail. Even Hiccup and Astrid's return does nothing to even the odds and things become worse when Fishlegs is separated from the group, though manages to return with help from his old friend Darkvarg. In the end the group is forced to abandon Dragon's Edge and seek shelter with the Defenders of the Wing, where Hiccup resolves to regain the others' trust after it is revealed he is building a new Dragon Eye, while Viggo attempts to reclaim the original one from the Edge's volcano.