In Part 3, "The Quest for Atlantis," Oliver and Captain James, empowered by the Amulet of Eternal Wisdom, embark on a daring mission to discover the lost city of Atlantis. They face formidable oceanic challenges but are led by the amulet's guiding light to the submerged city, a marvel preserved in time. As they explore Atlantis, they encounter its guardians, ethereal beings who, recognizing their noble intentions, grant them access to the city's heart. There, they receive enlightenment and knowledge that promise to change the world. With a trove of Atlantean treasures and wisdom, they surface, ready to embark on their next adventure, with the promise of a destiny far greater than they ever imagined.