Ko-Metru
Ko-Metru was Metru Nui's frozen intellectual quarter, home to the scholarly Ko-Matoran race.

Ko-MetruMetruIn the Matoran language a metru was a single district of Metru Nui; the city was divided into six such districts, one for each element, and the term covered both the place and the elemental community that lived in it. was the ice district of Metru NuiMetru NuiThe city beneath Mata Nui functions as the Great Spirit's brain, housing the Matoran whose labor keeps the god alive., one of six distinct metropolises built into a subterranean island. If you've read anything about the early BIONICLEBIONICLE: Matoran AdventuresA 2002 GBA platformer where you play as one of six Matoran fighting Bohrok across Mata Nui's islands. story, you know the MetruMetruIn the Matoran language a metru was a single district of Metru Nui; the city was divided into six such districts, one for each element, and the term covered both the place and the elemental community that lived in it. represented different values and pursuits. Ko-MetruMetruIn the Matoran language a metru was a single district of Metru Nui; the city was divided into six such districts, one for each element, and the term covered both the place and the elemental community that lived in it.'s entire identity centered on knowledge and scholarship. While some districts thrived on industrial production or trade, Ko-MetruMetruIn the Matoran language a metru was a single district of Metru Nui; the city was divided into six such districts, one for each element, and the term covered both the place and the elemental community that lived in it. existed to preserve wisdom and advance understanding of the MatoranMatoranThe most abundant species in the Matoran Universe, chosen by Mata Nui to inhabit and maintain his cosmic body. Universe. The district's architecture reflected this: crystalline spires and frozen structures rose from the artificial ground, and the whole region maintained an atmosphere of quiet contemplation.
The Scholar's District#
Ko-MetruMetruIn the Matoran language a metru was a single district of Metru Nui; the city was divided into six such districts, one for each element, and the term covered both the place and the elemental community that lived in it.'s purpose was unique among the six districts. The Ko-MatoranMatoranThe most abundant species in the Matoran Universe, chosen by Mata Nui to inhabit and maintain his cosmic body. built their entire society around the pursuit and preservation of knowledge. The Tower of Thought stood at the center of the district, serving as a gathering place where scholars shared discoveries and debated ideas. Unlike other districts focused on production or trade, Ko-MatoranMatoranThe most abundant species in the Matoran Universe, chosen by Mata Nui to inhabit and maintain his cosmic body. valued contemplation and careful study. They sought to understand the mechanics of their world and document what they learned.
NujuNujuNuju served as a Ko-Metru seer, Toa Metru of Ice, and Turaga of Ko-Koro who spoke only in bird calls translated by Matoro. led the Ko-MatoranMatoranThe most abundant species in the Matoran Universe, chosen by Mata Nui to inhabit and maintain his cosmic body. during the critical period when the Toa Mata arrived in Metru NuiMetru NuiThe city beneath Mata Nui functions as the Great Spirit's brain, housing the Matoran whose labor keeps the god alive.. He would be recognized as one of the six TuragaTuragaFormer Toa who fulfilled their destiny and transformed into leaders. Turaga wield Noble Kanohi masks and weakened elemental powers, guiding their communities., the senior leaders of MatoranMatoranThe most abundant species in the Matoran Universe, chosen by Mata Nui to inhabit and maintain his cosmic body. society. Other significant Ko-MatoranKo-MatoranIce Matoran who were quiet scholars and star-watchers, built to survive the frozen peaks of Ko-Wahi. included MatoroMatoroA quiet Ko-Matoran translator who became a Toa Inika and then a Toa Mahri, Matoro gave his life with the Mask of Life to restore Mata Nui., KopekeKopekeKopeke was a Ko-Matoran ice carver of Ko-Koro who served in the Chronicler's Company at Kini-Nui and was later elected the third Chronicler of the Matoran Universe., EhryeEhryeEhrye was a Ko-Matoran errand-runner of the Knowledge Towers, one of the six finders of a Great Disk, and a survivor of every era from Metru Nui through Spherus Magna., and Ihu. These individuals would play important roles in the survival of Ko-MatoranKo-MatoranIce Matoran who were quiet scholars and star-watchers, built to survive the frozen peaks of Ko-Wahi. culture through the upheaval that followed the Great Cataclysm.
After the Cataclysm#
The Great CataclysmThe Great CataclysmThe day Makuta Teridax put the Great Spirit to sleep, the Great Spirit Robot fell from the sky, Metru Nui flooded, and Voya Nui tore loose from the Southern Continent. didn't just damage Ko-MetruMetruIn the Matoran language a metru was a single district of Metru Nui; the city was divided into six such districts, one for each element, and the term covered both the place and the elemental community that lived in it.. It destroyed it. The crystalline spires crumbled. The infrastructure that had sustained the district gave way. The Ko-MatoranMatoranThe most abundant species in the Matoran Universe, chosen by Mata Nui to inhabit and maintain his cosmic body., displaced from their homeland, faced an uncertain future. Yet they didn't fade away. They survived, persisted, and eventually found their way to the island of Mata NuiMata NuiBuilt by the Great Beings to restore Spherus Magna, Mata Nui sustained an entire civilisation inside his body, was deposed by Teridax, and reclaimed his purpose as a mortal on Bara Magna.. There, in the frozen regions of Mata NuiMata NuiBuilt by the Great Beings to restore Spherus Magna, Mata Nui sustained an entire civilisation inside his body, was deposed by Teridax, and reclaimed his purpose as a mortal on Bara Magna., they established new settlements that echoed their old home's climate and character.
The legacy of Ko-MetruMetruIn the Matoran language a metru was a single district of Metru Nui; the city was divided into six such districts, one for each element, and the term covered both the place and the elemental community that lived in it. endured even after the city itself fell to ruin. The knowledge the Ko-MatoranKo-MatoranIce Matoran who were quiet scholars and star-watchers, built to survive the frozen peaks of Ko-Wahi. preserved, the scholarly traditions they maintained, and the values that shaped their culture survived the journey from sunken Metru NuiMetru NuiThe city beneath Mata Nui functions as the Great Spirit's brain, housing the Matoran whose labor keeps the god alive. to the surface world of Mata NuiMata Nui (Location)An island created by accident on the Great Spirit's face, home to the Matoran for a thousand years..
Compiled from primary sources by Lore Fortress editorial. Reviewed by Joe Garratt, Editor-in-Chief.
Sources
- WikiBiosector01: Ko-Metru — Ko-Metru lore and location information
- GameBIONICLE Metru Nui (2004) — Game set featuring Ko-Metru as a playable area
- SerialBIONICLE Adventures series — Greg Farshtey's serials covering Ko-Metru storylines
Spotted a factual error or a primary source we missed? Email a correction. Every flagged claim gets reviewed.
Related entries
Metru
In the Matoran language a metru was a single district of Metru Nui; the city was divided into six such districts, one for each element, and the term covered both the place and the elemental community that lived in it.
Metru Nui
The city beneath Mata Nui functions as the Great Spirit's brain, housing the Matoran whose labor keeps the god alive.
The Great Cataclysm
The day Makuta Teridax put the Great Spirit to sleep, the Great Spirit Robot fell from the sky, Metru Nui flooded, and Voya Nui tore loose from the Southern Continent.
Ehrye
Ehrye was a Ko-Matoran errand-runner of the Knowledge Towers, one of the six finders of a Great Disk, and a survivor of every era from Metru Nui through Spherus Magna.
Kopeke
Kopeke was a Ko-Matoran ice carver of Ko-Koro who served in the Chronicler's Company at Kini-Nui and was later elected the third Chronicler of the Matoran Universe.
Mata Nui
Built by the Great Beings to restore Spherus Magna, Mata Nui sustained an entire civilisation inside his body, was deposed by Teridax, and reclaimed his purpose as a mortal on Bara Magna.
Mentioned in61 entries
Akilini
Akilini was the principal sport of Metru Nui, played with Kanoka disks on the arena floor of the Coliseum and serving as both civic spectacle and the means by which the worth of a freshly forged disk was tested before mask-making.
Bordakh
The Vahki model assigned to Ga-Metru, the Bordakh patrolled the canals and schools of the academic district and carried Staffs of Loyalty that turned any Matoran they struck into a willing informant against their own friends.
Crystal Climber
Crystal Climbers were large Rahi that nested atop the Knowledge Towers of Ko-Metru, preying on Ice Bats. Hard to dislodge once settled, they were regarded as pests and later migrated to Mount Ihu on Mata Nui.
Crystal Spikes
The Crystal Spikes were the paired Toa Tools of Toa Metru Nuju, used to channel Ice powers and to scale the vertical architecture of Metru Nui.
Ehrye
Ehrye was a Ko-Matoran errand-runner of the Knowledge Towers, one of the six finders of a Great Disk, and a survivor of every era from Metru Nui through Spherus Magna.
Frost Beetle
The Frost Beetle was a large, heavily armored insectoid Rahi of Ko-Metru that spent its time forcing its way into Knowledge Towers to consume the Memory Crystals growing there.
Hordika Teeth
The mutated form of Nuju's Crystal Spikes during the Toa Hordika period, capable of summoning flying Rahi by ultrasonic resonance.
Ice
Ice was one of the six primary elements of the Matoran Universe, tied to preservation, stillness, and the cold reaches of Ko-Metru and Ko-Koro.
Jaa
Jaa was a Ko-Matoran scholar of Ko-Metru who directed Toa Nuju to the missing messenger Ehrye and gave him a Knowledge Tower crystal. On Mata Nui he served as a scribe of the Wall of Prophecy.
Jaatikko
Jaatikko was a Ko-Matoran who lived in Ko-Metru, was sealed in a Matoran Sphere during the Great Cataclysm, and served as an Architect in Ko-Koro on Mata Nui before returning to Metru Nui and evacuating to Spherus Magna.
Kailani's Hut
A modest Ga-Wahi dwelling that served the Ga-Matoran Crafter Kailani as both residence and workshop until the Bohrok swarms erased it.
Kanohi Mask of Rahi Control
A Great Kanohi worn by the Toa Hagah Kualus, granting mental command of one or more Rahi at once.
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