Visorak (Rahi)
Spider-like Rahi employed by the Brotherhood of Makuta whose name meant 'Stealers of Life' and whose swarms threatened the Matoran Universe.
The VisorakVisorakSpider-like Rahi created by Makuta Chirox, conquered for the Brotherhood by Gorast, broken at Metru Nui, and ultimately destroyed in a volcanic eruption on Artidax. were spider-like RahiRahiThe Rahi were the biomechanical wildlife of the Matoran Universe, built largely by the Brotherhood of Makuta, ranging from background fauna to engineered war beasts. deployed by the Brotherhood of MakutaMakuta (Species)Shadowy Antidermis beings and the Brotherhood's elite, Makuta commanded darkness and shaped the Matoran Universe's fate. as foot soldiers and conquest forces throughout the MatoranMatoranThe most abundant species in the Matoran Universe, chosen by Mata Nui to inhabit and maintain his cosmic body. Universe. Their name translated directly from their own language as "Stealers of Life" or "Poisonous Scourge." Unlike most arachnids in the MatoranMatoranThe most abundant species in the Matoran Universe, chosen by Mata Nui to inhabit and maintain his cosmic body. Universe, they possessed only four legs instead of eight, making them immediately recognizable yet distinctly alien. They advanced across known territories with relentless coordination. By 2005, they represented one of the most prolific threats the Toa had faced, operating as a hive-like army rather than as individual combatants.
The Horde#
The VisorakVisorakSpider-like Rahi created by Makuta Chirox, conquered for the Brotherhood by Gorast, broken at Metru Nui, and ultimately destroyed in a volcanic eruption on Artidax. weren't individuals in any meaningful sense. They were mass-produced soldier-types with minimal autonomy. Their strength came entirely from numbers and perfect coordination. OnewaOnewaOnewa served as Toa Metru of Stone, led Po-Koro through the Dark Time, and constructed the Metru Nui statue honoring the fallen Toa Mahri Matoro., 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. of earth, while under the influence of a Kratana, expressed the unbearable sense of the VisorakVisorakSpider-like Rahi created by Makuta Chirox, conquered for the Brotherhood by Gorast, broken at Metru Nui, and ultimately destroyed in a volcanic eruption on Artidax.'s relentless pursuit, that they were always waiting, watching, impossibly aware. That sense of inescapable inevitability came from how completely the VisorakVisorakSpider-like Rahi created by Makuta Chirox, conquered for the Brotherhood by Gorast, broken at Metru Nui, and ultimately destroyed in a volcanic eruption on Artidax. saturated every space they occupied. You couldn't evade one. You could only hope to outrun the swarm.
Different strains served different combat roles. SidorakSidorakHe took credit for someone else's idea, called it leadership, and spent his whole reign as the Visorak's king certain he could not be out-played. led the horde as its apex specimen before his defeat. RoodakaRoodakaShe spent the entire Visorak arc letting everyone think they were using her, then walked away having beaten the Brotherhood and the Toa at their own game. rose to command afterward, taking operations to completion. The rank-and-file varieties each carried distinct toxins and tactical applications, deployed strategically across invasion zones.
Extinction and Return#
The VisorakVisorakSpider-like Rahi created by Makuta Chirox, conquered for the Brotherhood by Gorast, broken at Metru Nui, and ultimately destroyed in a volcanic eruption on Artidax. met their end during 2005 and 2006 when the Toa Mahri directly confronted their forces. A volcanic eruption in their homeland sealed the species' extinction. But extinction proved temporary. Later recreation somehow brought new VisorakVisorakSpider-like Rahi created by Makuta Chirox, conquered for the Brotherhood by Gorast, broken at Metru Nui, and ultimately destroyed in a volcanic eruption on Artidax. into existence, though canon remains unclear about the mechanism. The species endured despite lava and heroic opposition combined.
Compiled from primary sources by Lore Fortress editorial. Reviewed by Joe Garratt, Editor-in-Chief.
Sources
- WikiBiosector01 Wiki, Visorak (Rahi) entry
- BookBIONICLE Legends 8: Downfall, Chronicles of the Visorak invasion and the Toa Mahri's response
- WikiBIONICLE Fandom Wiki, Visorak species information and history
Spotted a factual error or a primary source we missed? Email a correction. Every flagged claim gets reviewed.
Followed from this entry

Visorak
Spider-like Rahi created by Makuta Chirox, conquered for the Brotherhood by Gorast, broken at Metru Nui, and ultimately destroyed in a volcanic eruption on Artidax.

Rahi
The Rahi were the biomechanical wildlife of the Matoran Universe, built largely by the Brotherhood of Makuta, ranging from background fauna to engineered war beasts.

Makuta (Species)
Shadowy Antidermis beings and the Brotherhood's elite, Makuta commanded darkness and shaped the Matoran Universe's fate.

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.

Roodaka
She spent the entire Visorak arc letting everyone think they were using her, then walked away having beaten the Brotherhood and the Toa at their own game.

Sidorak
He took credit for someone else's idea, called it leadership, and spent his whole reign as the Visorak's king certain he could not be out-played.
Mentioned in134 entries
Aero Slicers
The Toa Tools wielded by Toa Metru Matau, capable of channeling Air, serving as melee blades, and doubling as glider wings and rotors for flight.
Archives Mole
Small, harmless burrowing Rahi engineered by the Makuta, originally native to Po-Metru and forced into the shadowy recesses of the Onu-Metru Archives, where their cooperative behaviour built living ladders and bridges through the lower levels.
Artidax
Artidax was a volcanic island in the southern islands where Makuta Krika imprisoned Miserix instead of killing him, and where the Visorak horde later met its end.
Ba-Koro
A small Ba-Matoran village on the Southern Continent, overrun by the Visorak and left in ruins, where Mazeka fought three shadow Takanuva.
BIONICLE Adventures: the ten-book series that told the Toa Metru story
BIONICLE Adventures is the second BIONICLE book series, ten titles written by Greg Farshtey between 2004 and 2005, covering the Toa Metru a thousand years earlier during and after the Great Cataclysm.
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.
Birth of the Rahaga
Norik and Iruini's attempt to rescue their captured Toa Hagah comrades from a Brotherhood of Makuta fortress, and the Rhotuka mutation by Roodaka that left all six as Rahaga.
Blazer Claws
The mutated weapons that replaced Vakama's Disk Launcher during his time as a Toa Hordika, producing uncontrolled bursts of fire instead of guided shots.
Bomonga
Bomonga was the Toa Hagah of Earth, mutated by Roodaka into a Rahaga, later restored to Toa form and resettled on Spherus Magna.
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.
Cable Crawler
Climbing-type Rahi of Metru Nui's Le-Metru cable network, created by the Makuta and notorious among Matoran for severing power lines and raiding airship cargo holds.
Catcher Claw
Roodaka's natural claws, which could catch Rhotuka spinners, poison them and throw them back, and could also fire bolts of Shadow energy.
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