<Li> Furious (in books 8 - 12) is a Seadragonus Gigantus Maximus that started and is the leader of the Dragon Rebellion and continually tries to chase down Hiccup . He was the Dragon - Brother of Hiccup Horrendous Haddock II, and becomes Hiccup Horrendous Haddock III's blood brother at the end of the final book, shortly before his death from the poisoned Stormblade sword, which Alvin's mother thrust into him . His death is what finalizes the peace between Vikings and dragons . </Li> <P> Poor little Hiccup is spooked by the sea, and he's to make his first voyage soon--next Tuesday . His father, Stoick the Vast, says there's no such thing as a frightened Viking . But Hiccup's about to find out otherwise . Hiccup's hilarious tale shows the true meaning of bravery, and the delights that await when one faces one's fear . This book features the first appearance of Hiccup Horrendous Haddock The Third and his father, Stoick the Vast . </P> <P> The first book in the series, following Hiccup as he captures a dragon as a rite of passage and attempts to train him so that he will not be exiled from Berk, as its tradition . Led by Gobber the Belch, Hiccup manages to catch a small dragon, whom he names Toothless, and attempts to train it through his own methods, when the How To Train Your Dragon book was found to have only one page and therefore unhelpful . During the final part of the rite of passage Toothless offends another dragon and a fight ensues between all the dragons . As this is seen as failure to train the dragons correctly, the boys are exiled, allowed to stay one night while a storm rages . During the storm, three Sea Dragons are washed up on the shore of the island and one seems a threat to the Vikings . Hiccup is chosen to negotiate with the dragon, who has eaten one of the other dragons . However, the dragon, who calls himself the Green Death, says he is going to kill all the Vikings . While the village elders argue over how to attack the Green Death, Hiccup, the boys and their dragons start a fight between the Green Death and the other sea dragon, the Purple Death, resulting in Hiccup nearly being swallowed and having to be rescued by Toothless, killing both sea dragons in the process . Hiccup and Toothless become heroes because of their bravery . </P> <P> The sequel to How to Train Your Dragon starts during a Sword - Fighting - at - Sea lesson during a storm, but Hiccup is quite bad at sword - fighting . The fight is cut off as the boat tips over and is holed by an object, a coffin, upon which Hiccup rides back to the Isle of Berk . On the beach, it is discovered that it is the coffin of Grimbeard the Ghastly, the greatest pirate of all times and Hiccup's great great grandfather . Soon the coffin is opened and they find out that it contains a living man, named Alvin the Treacherous, who hides his true identity under the name Alvin the Poor - but - Honest - Farmer . </P>

What kind of dragon is at the end of how to train your dragon