Kaos has blown up Cloudcracker Prison, creating the new elements of Light and Dark and freeing the Doom Raiders, the most notorious villains in Skylands, led by the Golden Queen and her cohorts The Gulper, Chompy Mage, Chef Pepper Jack, Dreamcatcher, Dr. Krankcase, and Wolfgang. With help from the Trap Masters and using Traptanium, a magic material that can harness the power of the elements, the Skylanders must round up and trap the villains, who can fight for them.