Ta-Metru
The fire district where Ta-Matoran perfected their craft and powered Metru Nui's industry for thousands of years.

Ta-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 fire 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 major sectors in the massive domed city buried beneath the surface 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.. For thousands of years, it thrived as the manufacturing and craftsmanship heart of the entire MatoranMatoranThe most abundant species in the Matoran Universe, chosen by Mata Nui to inhabit and maintain his cosmic body. Universe. The Ta-MatoranMatoranThe most abundant species in the Matoran Universe, chosen by Mata Nui to inhabit and maintain his cosmic body. who called it home weren't afraid of heat or the kind of labor that demanded both skill and dedication. If you wanted to understand how Metru NuiMetru NuiThe city beneath Mata Nui functions as the Great Spirit's brain, housing the Matoran whose labor keeps the god alive. actually worked as a civilization, Ta-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 place to start.
Geography and Purpose#
Ta-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. spread across massive caverns heated by the eternal Great Furnace. The district wasn't the biggest of the six metru by area, but it was the most productive. Every KanohiKanohiMasks that grant powers and sustain life, they're the most vital artifact in the Matoran Universe. mask worn across the MatoranMatoranThe most abundant species in the Matoran Universe, chosen by Mata Nui to inhabit and maintain his cosmic body. Universe, every heat-based tool and weapon, came from Ta-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 foundries and workshops. The Ta-MatoranMatoranThe most abundant species in the Matoran Universe, chosen by Mata Nui to inhabit and maintain his cosmic body. didn't shy away from the intense heat or the dangerous work. They thrived in conditions that would've broken most other species. Their reputation for craftsmanship was second to none, and with good reason.
Order and Industry#
The NuurakhNuurakhThe Vahki model assigned to Ta-Metru, the Nuurakh were the fastest of the order-force lines and used Staffs of Command to push a single overriding directive into the mind of any Matoran they struck. VahkiVahkiMetru Nui's mechanical law enforcement squads, designed to maintain rigid order but ultimately undermined by chaos beyond their programming. maintained order throughout the district, but it's the culture of work that really shaped Ta-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.. The craftspeople here took genuine pride in their work, creating masks that fit perfectly. Tools had to last. Every invention had to function reliably. VakamaVakamaA Ta-Metru maskmaker transformed into the Toa Metru of Fire, leader of his team through the Visorak war, and Turaga of Ta-Koro for a thousand years. was one of the most skilled mask makers of the era, and his work reflected standards that all Ta-MatoranTa-MatoranThe Fire-element Matoran of Ta-Metru and Ta-Koro, forgers of masks and Kanoka, lava farmers, and the standing core of the Ta-Koro Guard during the war for Mata Nui. aspired to. The district's hierarchy was built on merit and skill, not accidents of birth.
The Fall and After#
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. shattered Metru NuiMetru NuiThe city beneath Mata Nui functions as the Great Spirit's brain, housing the Matoran whose labor keeps the god alive. and sent the city into the sea. The Ta-MatoranTa-MatoranThe Fire-element Matoran of Ta-Metru and Ta-Koro, forgers of masks and Kanoka, lava farmers, and the standing core of the Ta-Koro Guard during the war for Mata Nui. who survived were forced to flee to 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., abandoning the foundries and workshops they'd called home for millennia. What followed was rebuilding on a smaller scale. The island's Ta-MatoranMatoranThe most abundant species in the Matoran Universe, chosen by Mata Nui to inhabit and maintain his cosmic body. established new communities, replanted the traditions of mask making, and slowly recreated the infrastructure they'd lost. But the scale was nothing like the grandeur of old Ta-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.. The heart of the fire district remained submerged, a relic of a civilization that could never be fully restored.
Compiled from primary sources by Lore Fortress editorial. Reviewed by Joe Garratt, Editor-in-Chief.
Sources
- WikiBiosector01: Ta-Metru, Community Bionicle wiki entry
- BookBIONICLE Legends series, Metru Nui arc (2004-2005)
- BookBIONICLE Chronicles series, Metru Nui arc (2004)
Spotted a factual error or a primary source we missed? Email a correction. Every flagged claim gets reviewed.
Followed from this entry

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.

Nuurakh
The Vahki model assigned to Ta-Metru, the Nuurakh were the fastest of the order-force lines and used Staffs of Command to push a single overriding directive into the mind of any Matoran they struck.

Ta-Matoran
The Fire-element Matoran of Ta-Metru and Ta-Koro, forgers of masks and Kanoka, lava farmers, and the standing core of the Ta-Koro Guard during the war for Mata Nui.

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 in91 entries
Aft
A Ta-Matoran native to Ta-Metru who became a Lava Farmer on Mata Nui, studied Ta-Koro's Principle of Courage, and returned with his people to Metru Nui.
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.
Brander
A Ta-Matoran of Metru Nui who helped Vakama find Nuhrii, survived the Great Cataclysm in a Matoran sphere, and worked as a Crafter in Ta-Koro on Mata Nui.
Fire
One of the six main elements of the Matoran Universe, marked by the Ta- prefix and the colours red and orange, and wielded by Toa from Lhikan to Tahu.
Furnace Salamander
The Furnace Salamander was a colony-dwelling Rahi of Ta-Metru that nested in the furnaces and foundries of the district. It could leap great distances, glide on spiny wings, and swarm a foe when endangered.
Hoto
The Hoto was a fire insect native chiefly to Ta-Metru and Ta-Wahi, whose body radiated enough heat to tunnel through earth and stone. Long regarded as a pest, it was one of the many Rahi bred by the Makuta.
Jaller
Jaller served as Captain of the Ta-Koro Guard, led the Toa Inika to Voya Nui, and commanded the Toa Mahri through the recovery of the Mask of Life.
Kanohi Rau
The Kanohi Rau allowed its wearer to comprehend foreign written and spoken languages, and was most associated with Turaga Nokama.
Kanohi Vahi
The Kanohi Vahi was the Legendary Mask of Time, forged by Toa Metru Vakama from the six fused Great Disks of Metru Nui during the city's evacuation.
Kanoka Disks
The protodermis disks of Metru Nui, used for sport, self-defence and machinery, carried by the Vahki, and melted down to forge Kanohi masks.
Keahi
Keahi was a Ta-Matoran of Ta-Koro and a member of the Ta-Koro Guard, the patroller of the ledge above the lava break that bore his name, and the instructor who trained Hahli in the Kolhii skill of Strength before the championship at Ta-Koro.
Keerakh
The Vahki model assigned to Ko-Metru, the Keerakh enforced silence in the Knowledge Towers and subdued lawbreakers with staffs that scrambled a Matoran's sense of time and place.
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