On a mission to free dragons from Dragon Hunters, Hiccup gets attacked by an unknown dragon and gets deathly ill. The Dragon Riders need to find out what is making their leader and friend sick and find a cure before it's too late.
On a mission to free dragons from Dragon Hunters, Hiccup gets attacked by an unknown dragon and gets deathly ill. The Dragon Riders need to find out what is making their leader and friend sick and find a cure before it's too late.
Hiccup has been betrayed by Astrid and banished and disowned by his father Stoick the vast. Hiccup leaves and vows that he would free all the dragons and show them the way to peace with the dragons...