Centuries after a legendary empire vanished from history, Professor Severus Snape is sent by Albus Dumbledore to uncover the truth. Accompanied by the kind-hearted knight Remus Lupin and the unpredictable pirate Sirius Black, the unlikely trio journeys to a hidden kingdom where dragons still soar and ancient secrets remain buried. Instead of finding the long-dead King Silas, they meet Y/N—the young heir struggling to rule an empire on the brink of collapse after the king's mysterious poisoning. As political conspiracies, forgotten magic, and dangerous enemies emerge from the shadows, the four must decide who can be trusted before the last dragon empire is lost forever