They do return. However, the evil king Sidorak and his viceroy Roodaka had been reigning on the island, with vicious spider-like creatures called Visorak. The Toa were soon captured and mutated into bestial Toa Hordika. To revert to normal, the Toa sought out the legendary Rahi Keetongu. Toa Vakama, however, betrayed the other Toa and joined Sidorak, who made him the leader of the Visorak. The other Toa confronted the Visorak horde in a great battle, and convinced Vakama to rejoin them. Vakama then ordered the Visorak to be free. Keetongu then killed Sidorak, whom Roodaka and Vakama betrayed. The six Toa then defeated Roodaka with all six of their elemental powers. However, this had the side effect of freeing Makuta because Roodaka carried a fragment of his prison. The Toa struck her for this reason. Having been restored by Keetongu, the Toa Metru brought the Matoran to a new island. When they sacrificed their power to awaken the Matoran, they become Turaga, and later established new villages on this island called Mata Nui.