Inkari

The Kanohi Intoka Is the Mask of Memories.

Form
The Look of the mask can change to any mask in the current users memories. The shapes used often by Narok was that of the Iden, Mask of Spirit, And a silver Avohkii, Mask of light

History
The Mask was Forged by the great beings and then given to a matoran who they sent to the matoran universe. After Makuta's taking over of the matoran universe Toa Narok began using the Mask to archive and make messages and puzzles for his surviving toa brothers and sisters. And eventually used the mask to seal off the mask making facility he had been using.

Powers
Can Implant, Remove, transfer, alter, memories. It also grants a photographic memory to a user who knows the full extent of its power. It also slightly increased the intellegence of the user.

Wearers
Toa Narok/Nuiden