The King of Dragons (a httyd fanfiction)

What if hiccup had actually left on toothless the day before his final exam in dragon training?
What would happen if he came back to berk?
Well, take a look and this will have been my interpretation of what would happen to the Dragon Rider and his miraculous Night Fury.
And how he finds, that Vikings may not be as stubborn as he thought. And maybe, just maybe, the Vikings, and the dragons, could get along.