Matoran Nui

A Matoran Nui was a powerful entity that could be created by any six Matoran of different elements. They were faster and stronger than an average Toa, but took great energy to form. In the BIONICLE story, two Matoran Nui have been seen so far.

Known Matoran Nui

 * On Metru Nui, Nuhrii, Vhisola, Orkahm, Tehutti, Ahkmou, and Ehrye formed a Matoran Nui to aid the Toa Metru in getting to the Morbuzahk.
 * On Mata Nui, Jaller, Macku, Kongu, Onepu, Hewkii and Matoro formed a Matoran Nui to fight a Nui-Jaga.

Trivia

 * The second time a Matoran Nui was formed, it was by the same six Matoran who would later become the Toa Inika and Toa Mahri, with the exception of Macku and Onepu, who were replaced by Hahli and Nuparu respectively.
 * Although it is possible for other types of Matoran to become a Matoran Nui, the only types of Matoran who have been seen to form one are Ta-Matoran, Ga-Matoran, Le-Matoran, Onu-Matoran, Po-Matoran, and Ko-Matoran, probably because these are the best-known types.
 * In theory if there is a Matoran Nui then three Matoran would make a Matoran Kaita.