mata nui rescues tarduk, but even as he does the tower begins to crumble and fall apart. mata nui and tarduk flee, and once out of the building, turn to see a volcano emerging from the ground under it. mata nui realizes it is not a natural volcano and, by digging through the rock, finds a metal hatch and enters it, finding himself inside a mechanism created by the great beings. he climbs through it, eventually reaching an open space where he finds the designs of his original body, along with a screen which recounts the tale of his origin and makes him remember his original mission: to pull together the fragments of spherus magna. he also finds out the great beings had planned to build a second robot, to help him with the task, but were unable to do so. mata nui begins to despair, but tarduk arrives and, learning of this, helps him realize that he can use the broken robot to achieve the same result, and the two agree to search for a second power source that the great beings likely built for their planned robot.