KAOS IS BACK! Thousands of years ago, the Skylanders Giants fought epic battles in Skylands but were banished to Earth. With a new threat looming, it's time to bring them back to join forces with the Skylanders. Only you can put them on the Portal of Power® to unleash their strength in the ultimate battle to save Skylands. Only purchase this pack if you already own Skylanders Spyro's Adventure.