Toa Mangai
The defenders of Metru Nui before the Toa Metru arrived, a team that fell to betrayal and relentless war.

The ToaThe Toa: Heroes of the Matoran UniverseThe Toa were biomechanical guardians sworn to protect the Matoran, bound by a strict code and defined by sacrifice across every age of the universe. MangaiMangaiThe active volcanic peak at the heart of the island of Mata Nui, in whose shadow Ta-Koro was raised and beneath whose roots Mangaia was hidden. were Metru NuiMetru NuiThe city beneath Mata Nui functions as the Great Spirit's brain, housing the Matoran whose labor keeps the god alive.'s first line of defense, and their story is one of how quickly everything can fall apart. This was the team that stood guard over the city before the Toa 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. ever arrived on its shores. They fought Dark Hunters in the streets. They battled the KanohiKanohiMasks that grant powers and sustain life, they're the most vital artifact in the Matoran Universe. Dragon in desperate skies. And then one of their own, seduced by power or revenge or hunger for something more, sold them out completely. By the time the Toa 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. stepped foot in Metru NuiMetru NuiThe city beneath Mata Nui functions as the Great Spirit's brain, housing the Matoran whose labor keeps the god alive., the Toa MangaiMangaiThe active volcanic peak at the heart of the island of Mata Nui, in whose shadow Ta-Koro was raised and beneath whose roots Mangaia was hidden. were already legends, ancient history. The defense they'd built was crumbling.
Who They Were#
The ToaThe Toa: Heroes of the Matoran UniverseThe Toa were biomechanical guardians sworn to protect the Matoran, bound by a strict code and defined by sacrifice across every age of the universe. MangaiMangaiThe active volcanic peak at the heart of the island of Mata Nui, in whose shadow Ta-Koro was raised and beneath whose roots Mangaia was hidden. held the line in Metru NuiMetru NuiThe city beneath Mata Nui functions as the Great Spirit's brain, housing the Matoran whose labor keeps the god alive. long before the Toa 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. arrived. They were the city's guardians, and their names carried weight. LhikanLhikanToa of Fire, leader of the Toa Mangai, and the last Toa of Metru Nui, who surrendered his Toa Power to create the Toa Metru and died defending Vakama. led them, a Toa whose legend was still whispered in the halls of power centuries later, even when 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. had inherited the responsibility of protection. The team wasn't huge in numbers. They had to be disciplined, efficient, always ready for the next crisis. Their strength in combat was real enough, but it was not what made them matter. They were the proof that a city could be defended, that order could hold, that MatoranMatoranThe most abundant species in the Matoran Universe, chosen by Mata Nui to inhabit and maintain his cosmic body. could rest knowing watchful protectors stood guard over their streets and their lives. 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., years after their fall, kept memorials to them in a hidden chamber, a secure room beneath his own quarters. It was the way soldiers remember the fallen, the way a city honors those who died so others could live.
The Fall#
The ToaThe Toa: Heroes of the Matoran UniverseThe Toa were biomechanical guardians sworn to protect the Matoran, bound by a strict code and defined by sacrifice across every age of the universe. MangaiMangaiThe active volcanic peak at the heart of the island of Mata Nui, in whose shadow Ta-Koro was raised and beneath whose roots Mangaia was hidden. faced threats from multiple directions, a team under constant siege. Dark Hunters came at them with relentless aggression, hunting them methodically through Metru NuiMetru NuiThe city beneath Mata Nui functions as the Great Spirit's brain, housing the Matoran whose labor keeps the god alive.'s districts. The KanohiKanohiMasks that grant powers and sustain life, they're the most vital artifact in the Matoran Universe. Dragon hunted too, a creature of power and chaos. But the worst threat, the one that actually broke them, came from within their own ranks. NidhikiNidhikiOnce a guardian of Metru Nui, Nidhiki traded his Toa honor for Dark Hunter gold and paid the price., one of their own Toa, turned. He accepted the Dark Hunters' offer, became one of them, sold out his team for whatever they promised him. That single betrayal shattered something fragile that couldn't be rebuilt quickly enough. By the time the Toa 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. arrived in the city, the Toa MangaiMangaiThe active volcanic peak at the heart of the island of Mata Nui, in whose shadow Ta-Koro was raised and beneath whose roots Mangaia was hidden. were gone. Some had died in combat. Others had vanished without trace. What they'd built together was already crumbling. The city they'd tried to protect was rotting from inside, and they weren't there anymore to fight it.
Compiled from primary sources by Lore Fortress editorial. Reviewed by Joe Garratt, Editor-in-Chief.
Sources
- WikiBiosector01: Toa Mangai, Comprehensive entry on the Toa Mangai team
- VideoBIONICLE 2: Legends of Metru Nui, Film featuring Lhikan and the theft of the Toa Stones from the Great Temple
- BookBIONICLE Legends 4: Legacy of Evil, Novel by Greg Farshtey covering the Toa Mangai and related conflicts
- SerialDestiny War, Greg Farshtey serial mentioning memorials to the Toa Mangai
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.

The Toa: Heroes of the Matoran Universe
The Toa were biomechanical guardians sworn to protect the Matoran, bound by a strict code and defined by sacrifice across every age of the universe.

Lhikan
Toa of Fire, leader of the Toa Mangai, and the last Toa of Metru Nui, who surrendered his Toa Power to create the Toa Metru and died defending Vakama.

Vakama
A 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.

Kanohi
Masks that grant powers and sustain life, they're the most vital artifact in the Matoran Universe.

Metru Nui
The city beneath Mata Nui functions as the Great Spirit's brain, housing the Matoran whose labor keeps the god alive.
Mentioned in45 entries
BIONICLE Reference Books
Seven Scholastic and AMEET reference titles published between 2003 and 2009 back up the printed story of the Matoran Universe. This page catalogs what each book contains and where the editions diverge.
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.
Fire Greatswords
The twin Toa Tools of Lhikan, Toa Mangai of Fire, which locked together into a flying board, carried him clear of the Dark Hunters at the Great Temple and saved Vakama from a forge.
Ga-Matoran
The Water-element Matoran of Ga-Metru and Ga-Koro, a female Matoran type, who filled the schools of Metru Nui and crewed the boats of the Mata Nui coast.
Kanohi Calix
The Mask of Fate let its wearer perform at the absolute peak of their natural physical ability, running, leaping and dodging better than almost any unenhanced member of their species.
Kanohi Mask of Intangibility
A Great Kanohi that allowed its wearer to lower their density and pass through solid matter, most famously borne by the Toa Mangai Tuyet.
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.
Legends of Metru Nui
The chronicle of how Toa Mangai Lhikan passed his power to six Matoran, how Metru Nui fell to Teridax, and how Toa Vakama forged the Kanohi Vahi.
Lhikan
Toa of Fire, leader of the Toa Mangai, and the last Toa of Metru Nui, who surrendered his Toa Power to create the Toa Metru and died defending Vakama.
Mask of Healing
A Kanohi that repaired physical injuries on a target other than the user, worn by an unnamed Toa Mangai of Plantlife killed before the Toa Metru era.
Naho Bay
The body of water that made up most of Ga-Wahi, named for a fallen Toa of Water and home to the floating village of Ga-Koro on its surface.
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.
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