Olisi

The Kanohi Olisi,Mask of Alternate Futures allowed the user to project a vision of an alternate future or a possible future into their and another's mind. They could have used their thoughts or thoughts of the victim to create the alternate future.

Karzahni used his Olisi to create a vision of what would happen if Mata Nui died. The sight shocked him so much that he himself was momentarily stunned, allowing his six Matoran victims to escape.

Bearers

 * Karzahni

Trivia

 * The Olisi was said to look like four other masks melded together.
 * After being mutated, Karzahni's mask fused to his head, but was still opperational.