Mata Nui's Diary Entry 8
Taken directly from BIONICLE: Mata Nui's Guide to Bara Magna
The robot body was intact. I could only guess that it was a prototype for my own lost form, perhaps something that failed its initial test here in the desert of Bara Magna. I could will my mind into it, but that would not help any, for the body had no power source. Without energy it was just a metal shell.
It was then that events took an unexpected turn. Berix produced a coin he had found in the cavern of the Great Beings which had a maze pattern on it. Then we found that the pattern on the Skrall shields matched that of the coin. Finally, Vastus told me one of his tribe's Agori, Tarduk, who was telling wild tales about a "Valley of the Maze" to the north.
I wanted to seek this Tarduk and question him. But it turned out that he had left Tesara on an expedition of his own to find the maze and solve its secrets. Accompanied by Kiina and Gresh, I followed. Had I not, I doubt Tarduk would have lived to return to tell us what he found.
The maze was a last riddle left behind by Great Beings. Designed to keep intruders out, it concealed a source of great power. Once unleashed, that power fused the parts of the huge robot body together and powered it. Then I only had to send my spirit from the Mask of Life into the body to once more have the strength to challenge my foe.
The final battle approaches even now. I have no doubt my enemy knows what has happened and will seek me out. I may destroy him, or he may destroy me, but I fear that our fight will inevitably rain destruction down on those below. I have warned Ackar and the others to get themselves and the Agori to a place of safety. They have helped me, saved me, and shown me a world I did not know existed - but this was not their fight. It was mine... and it was one I should have fought many centuries before.