Korok was worried. The next day he would be heading to Treka Nui, where Gakaz, an evil Makuta, ruled. He was a Toa of Iron, and he used to be a Fe-Matoran until he was called to defend his city, Fe-Nui, and guarded it. Now he had passed his legacy down to the Toa Fe to become a member of the Order of Mata Nui. His best friend, Sanix, walked up to him.