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Ko-Koro was the home village of the Ko-Matoran on Mata Nui. It was led by Turaga Nuju and protected by Toa Kopaka. Ko-Koro was hidden beneath a massive ice block that separated two glaciers and surrounded by huge crevasses that could swallow the unwary. It was severely damaged by the Rahkshi.[1]


Kopaka, Toa of Ice, and his people inhabited the frozen wilderness of Mount Ihu. This area was dotted with ice bridges built by the Matoran in honor of Kopaka.[2]

Ko-Koro's Toa was Kopaka Nuva, its Turaga was Nuju, and its villagers were the Ko-Matoran. The ice village of Ko-Koro was hidden beneath a huge ice block that separated two glaciers. Enormous crevasses dotted the surrounding mountains, where a traveler could disappear forever. Ko-Matoran were master trackers and trap-builders. The Ko-Matoran aided many other villages in the struggle against the Rahi and the Bohrok.[3]

Ko-Koro was in a hidden location beneath an enormous ice field. During the Bohrok invasion, the Tahnok eventually managed to melt the village away as if it had never been.[4]

Ko-Koro was located at the end of a snowy valley, set into one of the steep cliffs that rose on the far side. It was accessible only by a bridge of ice which stretched over a deep chasm. The village was protected by a wall.[5]

Hidden beneath a massive ice block that separated two glaciers, Ko-Koro was the village of Ice and home to the Ko-Matoran. Ko-Koro was surrounded by huge crevasses that were big enough to swallow even a large Rahi. Villagers lived either in caverns inside the glaciers or in huts made of ice. A group of Matoran called the Sanctum Guard provided defense. Ko-Koro was heavily damaged by a Rahkshi attack.[6]