Riders of Legend: The Horrible Team Up

Two generations down from Hiccup Horrendous Haddock III, Hoskuld Haddock and his friends are still training dragons. With the help of his brother, Magnus Haddock, almost anything is possible. But with the Berserkers and Outcasts "The Horrible Team Up" after the islands mysteries and secrets of dragons, the trainers face hardship and discovery during the faze to save their island.