The Kanohi Noraknaa, Mask of Immortality
The Kanohi Noraknaa, Mask of Immortality, was worn by the first Confederacy of Illusions leader, Zokorak. The mask was named after the island where Zokorak's species, the Manox, once lived. It was forged by Zokorak from the strongest Protosteel. When he died, the mask was transferred to Mesograk, granting him its enormous power. The Kanohi would become a part of him when Mesograk, with the Syrax Stone, became a being more powerful than the Great Spirit himself.
The Kanohi Noraknaa granted the wearer, immortality. The user was impervious to any type of power or tool. It also gave the user incredible, quick healing powers.