The Might Of a Shadow

Hiccup is faced with the moral dilemma of having to kill a dragon as part of his final test. He chooses to leave Berk with his dragon, Toothless, instead. On his own Hiccup grows into a formidably strong and dangerous warrior, his bond with Toothless also slowly grants him unknown powers. He's unsure if he's willing to come back and risk his life to save Berk.