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After Billy’s dragon, Spark, had betrayed them and joined the Dragon of Death, giving her the eight pearls she needed to choose her own destiny, the world around them had disappeared. When it had come back, it was completely different. Billy, Ling-Fei, Charlotte and Dylan had woken in a dark and distant future. One where the Dragon of Death ruled with a fearsome and terrible might. One where somehow she had been ruling for years and years already, even though it felt like only moments had passed between their lives in the past, in the Dragon Realm, and this version of the future where there was no Dragon Realm and Human Realm, only Dragon City and the Void beyond. Both the Dragon and the Human Realms had been decimated and devoured by the Dragon of Death and the Noxious and their never-ending quest for power, leaving Dragon City as the only habitable place for dragons and humans. But at least Billy and his friends had been together, and they still had their memories of their lives before. And even though they had been separated from their dragons, they had heard them when they had first arrived in Dragon City and had found themselves in chains in an unfamiliar and terrifying cityscape. Knowing that their dragons were alive had given them hope. Because the dragons were more than just friends. Deep in Dragon Mountain, the four children had each heart-bonded with a dragon, connecting them for ever. Dylan had bonded with Buttons, a healer dragon who cared deeply for humans. Ling-Fei’s dragon was Xing, a dragon with the ability to seek out magic and power, and whose tough exterior hid a kind heart. The fierce warrior dragon Tank was Charlotte’s heart-bonded dragon, and the two of them together could take on almost any opponent. As for Billy… He didn’t like thinking about his dragon, Spark, with her electricity powers and ability to see into the future. He had trusted her more than anyone and she’d let him down. Despite everything, part of him hoped that they were still connected through the heart bond. But when he tried to reach down their bond, there was nothing. It made him feel empty inside, like something was missing. Even though they had been separated from their dragons, they weren’t alone in the terrifying world of Dragon City. The tiny gold flying pig had been sucked into this future alongside them. And even though it couldn’t speak, Billy knew it could understand them, so when they’d needed help escaping their shackles, he’d asked the pig to find the key. It was a big ask for a tiny pig, but the pig had brought him Dylan’s Claddagh ring, after all, and it had led Billy and the others to where Dylan was trapped in a tree by dark magic. Surely it could find a key to open their chains. Hours had gone by during which the four friends had watched in horror as nox-wings swooped down on unsuspecting human workers and tossed them up into the air in some sort of twisted game, laughing as they did.
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