city's law enforcers, upon them. In the ensuing chaos, Onewa, Nuju, and Whenua are captured while Vakama and the others escape the Coliseum by leaping into the city's chute transport system, with the Dark Hunters in pursuit. The Dark Hunters force a chute worker to reverse the flow of the chute system, forcing Vakama and the others to abandon the chute system in the ice region of Ko-Metru. They then set out to find the other Toa and Lhikan, whom Vakama believes is still alive. They hitch a ride on a Vahki transport to Po-Metru, where they are ambushed by the Dark Hunters and forced to flee from a herd of Kikanalo beasts. Nokama discovers that her mask allows her to speak and understand foreign languages and persuades the Kikanalo to help them find Lhikan; Matau discovers his mask power of shape-shifting along the way. Meanwhile, Onewa, Whenua, and Nuju are trying unsuccessfully to escape when they are approached by a mysterious Turaga, who explains that Toa mask powers are needed to escape and teaches them how to activate them. Growing impatient, the Toa argue until Onewa's mind-control and Nuju's telekinesis mask powers activate, and Nuju uses his to create an escape route. Whenua then discovers his mask power of night vision before the four reunite with Vakama, Nokama, and Matau. The Turaga then reveals himself to be Lhikan, who sacrificed his power to turn Vakama and company into Toa. He inquires as to the safety of the 'Heart of Metru Nui', which Vakama believed was Lhikan himself, but is actually the Matoran. Vakama then discovers a small canister that contains the real Dume; the Dume from before was an impostor. Pursued by the Vahki, the Toa, along with Lhikan, set out to stop the false Dume, who has summoned the Matoran to the Coliseum to be placed in canisters to sleep. The false Dume reveals himself to be Makuta in disguise, and plunges the Great Spirit Mata Nui into slumber. The Toa gather as many Matoran capsules as they can and race to escape the crumbling city. On their way out, the Dark Hunters attack them again, but are killed, along with a Nivawk (Makuta's spy), when Makuta absorbs them. As the group leaves Metru Nui, Vakama creates the legendary Mask of Time, which he unsuccessfully tried to do as a Matoran, from the Great Disks. Makuta pursues the