🌌 When Princess Starshard announces the most grandiose event ever witnessed in the Land of Ooo - The Grand Tournament of Ooo - champions from every corner of the realm are invited to compete in feats of strength, wit, and courage. But what begins as a contest of skills soon unfolds into an adventure that tangles the strings of destiny. 🎵 Enter Marceline, the Vampire Queen, with her enigmatic charm and musical mastery. 🍬 And Princess Bubblegum, the genius ruler of the Candy Kingdom, armed with scientific wonders and strategic prowess. Together, they find in Princess Starshard not just a host, but a kindred spirit, embarking on a journey that transcends the mere competition. 🌠 As the tournament progresses, an unexpected crisis strikes, threatening the very essence of Ooo. With their kingdoms at stake, the trio must unite their unique abilities to confront a mystery that weaves through the ancient lore of their lands. 🔮 In "The Grand Tournament of Ooo," discover a tale of friendship, mystery, and the magic that binds all. Princess Starshard's story is one of discovery, as she learns the depths of her own strength and the power of bonds that cross kingdoms. From the starry night of the Crescent Blade Kingdom to the vibrant streets of the Candy Kingdom, join us on an adventure filled with whimsical wonders, laughter, and the indomitable spirit of Ooo. ✨ Will Princess Starshard and her new allies triumph over the challenges ahead? Can the harmony of the stars guide them through the shadows lurking in their path? Only the bravest hearts will unveil the secrets and save the world of Ooo. *This is a work of fanfiction. Characters are owned by Adventure Time, with the addition of a few OC's I made myself. Thank you, and Enjoy. <3