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Toa Tupac is a Toa of Light that possesses the Kanohi Mengu. This Mask of Unity had the ability to store different Powers of Masks it came into contact with into itself, similar to the Golden Kanohi but without the need for a Suva. However, The Mask of Unity had restrictions, this Kanohi had a limit to the amount of different abilities it could store; which was dependent on their power levels (Stronger masks meant fewer abilities). Also, if the sought after mask ability was powerful enough (for example Legendary Kanohi), the Kanohi Mengu may become corrupted and affect the user as well. Toa Tupac suffered this consequence when he came across the Kanohi Ignika and attempted to absorb it’s power. The Mask of Life altered the Kanohi Mengu’s ability to absorb Kanohi Powers into itself, as well as it’s appearance. The Mask of Unity now resembled a translucent Kanohi Ignika. Toa Tupac was no longer able to absorb powers he came into contact with. Now Tupac had to collect Kanoka Disks or protodermis and use his elemental powers to forge masks that could serve as vessels for the powers he wanted to absorb. Upon doing so, Tupac was able to absorb the powers of Kanohi he came into contact with; by creating a duplicate mask. However, these mask duplicates were flawed and their powers would not last long. The mask’s power would be drained upon usage, eventually leaving a translucent Kanohi behind. These translucent Kanohi had no power and would have to be repaired by coming into contact with their respective counterparts again. The rate at which these duplicated masks would drain depended on the quality of Kanoka Disks that were used to create them. If the duplicate were created with a weak disk, then the mask’s power wouldn’t last long at all. The more powerful the Kanohi was that Tupac was trying to duplicate, the higher the level of Kanoka discs he would need. Since the altered Mask of Unity could no longer hold mask abilities, Tupac began to wear several of his duplicated masks. The fact that these masks can become drained of power upon usage is another factor in which why Tupac carried so many of them. Toa Tupac continues his voyage, now collecting as many powerful Kanoka discs as he can so that he could build up his arsenal of duplicate masks.
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Bonus*