It took place after Harry Potter finished his first year at Hogwarts. He asked Dumbledore not to make him come back to the Dursleys but didn't tell him how bad the abuse was. Dumbledore just thought that it would be a chance to create a better bond between Severus and Harry. Therefore, he sent Harry home with Severus...
Lily Potter was a seer, and a powerful one at that. Although her death was certain, the future of her child wasn't set in stone. After all, what is a man playing god compared to someone who could pass as one? And so, Lady Lily Potter, on that fateful day, made a wish.
Hiccup buys a stone from Trader Johann and one night the stone glows and Hiccup touched it making the stone glow brightly and when Hiccup opens his eyes he finds out the stone turned him into a Night Fury, will the riders and dragon find out its him or a rough dragon