At the Withered Heath, the breeding ground for Fire Drakes in the Grey Mountains, Dwarves from the mines nearby wipe out nearly every living dragon left. The only survivors are Smaug and his son Raug. Smaug chooses revenge over saving his son and leaves for a long amount of time. But soon, Raug becomes a mirror image of his father and a terror in the north of Middle-earth.(FtW pre)

Born from the sea, he will journey far into shadow in search of a lost artifact, which he will find in the most unlikely way. (Fire of the North sequel)