Ragnarök

Hiccup believed he could change the mind of Drago Bludvist and show the madman the truth about dragons. He was wrong. Now, Hiccup Horrendous Haddock III is the last Viking in the world, thanks to Drago Bludvist and his Northern Alliance. With nothing left to lose, Hiccup embarks on a quest to exact revenge on the man that put his loved ones and people to the sword.