Mata Nui (OU location)

Mata Nui was an island on Aqua Magna that formed on top of the Great Spirit Mata Nui's face.

History
The island of Mata Nui was formed on top of the Great Spirit Mata Nui by automatic camouflage systems built into the robot's face which activated when he fell asleep beneath the waves of Aqua Magna.

When Makuta Ynot allied himself with Zev Raregroove, the Legion Makuta and their allies chased Ynot out of the Matoran Universe and cornered him on the island of Mata Nui. In order to escape, Ynot faked his own death by appearing to blow himself up, but in reality he merely dispersed his antidermis. Ynot returned to the Matoran Universe and spent the next few centuries recuperating and resting in a cave on the outermost rim of Karzahni.

The island of Mata Nui was eventually destroyed in an unrecorded event.