 Their journeys involve defeating the remnants of the Mystics, stopping Robo's maniacal AI creator, giving Frog closure for Cyrus' death, locating and charging up the mythical Sun Stone, retrieving the legendary Rainbow Shell, unmasking Guardia's Chancellor as a monster, helping restore a forest destroyed by a desert monster, and preventing an accident that crippled Lucca's mother.The group enters the Black Omen and defeats Queen Zeal, then battles Lavos; once faced with the creature's true form, they come to understand that it had been absorbed DNA and energy from every living creature before arising and razing the planet's surface in 1999 so that it could spawn a new generation to destroy other world.After slaying Lavos and saving the future, they celebrated at the final night of the Millennial Fair before returning to their own times.