Dragons: Riders of Berk Season 6 Episode 5 - Saving Shattermaster Episode Title:Saving Shattermaster.Episode Description:While investigating a trading post, Hiccup and Heather are shocked to see Dagur alive and appearing to be aligned with the Hunters. They learn that Dagur has been working undercover trying to save Shattermaster from the Hunters, convincing the two to help him save his dragon and the captured Gronkles. Dagur leads Viggo's fleet away and swears to Heather that he will return to answer her questions, leaving his worried sister behind. Meanwhile, Snotlout, as a result of his saving Mala's life from the Hunters, undergoes The Trials, a series of tests to prove himself as King of the Defenders of the Wing. He manages to pass two life-threatening trials but fails in the third, though Mala commends his effort and makes him a guest of honor in a celebratory feast.