Lohrak
Winged serpentine Rahi engineered by the Makuta Chirox and later redesigned by Mutran, infesting the underground of Metru Nui and protected by decree of Turaga Dume.

The Lohrak were a species of winged serpentine 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. created by the Brotherhood of MakutaThe Brotherhood of MakutaAn organization of Makuta created by Mata Nui to build Rahi and keep order in his universe, later seized by Teridax and turned into the instrument of the Plan that overthrew the Great Spirit.. The first version of the species was made by MakutaMakuta (Species)Shadowy Antidermis beings and the Brotherhood's elite, Makuta commanded darkness and shaped the Matoran Universe's fate. ChiroxChiroxA Makuta of the Brotherhood who questioned Teridax's plans before being sent to Karda Nui. long before the Toa MetruToa Metru and Toa HordikaSix Matoran elevated by Lhikan to save their city, mutated by Visorak venom, and restored in time to deliver the population to safety. era, and a reworked version was later produced by MakutaMakuta (Species)Shadowy Antidermis beings and the Brotherhood's elite, Makuta commanded darkness and shaped the Matoran Universe's fate. MutranMutranMutran is a Makuta of the Brotherhood of Makuta who serves as the Makuta of Voya Nui and is among the most prolific Rahi creators within the organization. Hailing from the Southern Islands, he wears the Great Shelek and commands the powers of Shadow and Silence alongside the full range of Kraata abilities, wielding a Shadow Blade, Shadow Spear, and Tridax Pod in combat.. Lohrak infested the underground of Metru NuiMetru NuiThe city beneath Mata Nui functions as the Great Spirit's brain, housing the Matoran whose labor keeps the god alive., where TuragaTuragaFormer Toa who fulfilled their destiny and transformed into leaders. Turaga wield Noble Kanohi masks and weakened elemental powers, guiding their communities. DumeDumeDume is a Turaga of Fire and the former ruler of Metru Nui, distinguished by his red and black coloring and the Noble Kanohi Kiril, the Mask of Regeneration. As a member of the Turaga of Metru Nui, he wields a Staff of Office and commands a weakened mastery of Fire. He later resides on the reformed Spherus Magna. declared them a protected species. (The Mutran Chronicles; BIONICLE Adventures 4: Legends of Metru Nui)
Origins#
The original Lohrak was the creation of MakutaMakuta (Species)Shadowy Antidermis beings and the Brotherhood's elite, Makuta commanded darkness and shaped the Matoran Universe's fate. ChiroxChiroxA Makuta of the Brotherhood who questioned Teridax's plans before being sent to Karda Nui., made from viruses and liquid protodermis some time before the rise of the League of Six Kingdoms, when the Brotherhood of MakutaThe Brotherhood of MakutaAn organization of Makuta created by Mata Nui to build Rahi and keep order in his universe, later seized by Teridax and turned into the instrument of the Plan that overthrew the Great Spirit.'s task was creating 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. for the MatoranMatoranThe most abundant species in the Matoran Universe, chosen by Mata Nui to inhabit and maintain his cosmic body. universe. Chirox wanted a flying serpent with enough slime on its hide to slither through small cracks, but not so much that it left a trail. His Lohrak couldn't manage it, and he spent a long time trying to perfect the design. (The Mutran Chronicles)
MakutaMakuta (Species)Shadowy Antidermis beings and the Brotherhood's elite, Makuta commanded darkness and shaped the Matoran Universe's fate. MutranMutranMutran is a Makuta of the Brotherhood of Makuta who serves as the Makuta of Voya Nui and is among the most prolific Rahi creators within the organization. Hailing from the Southern Islands, he wears the Great Shelek and commands the powers of Shadow and Silence alongside the full range of Kraata abilities, wielding a Shadow Blade, Shadow Spear, and Tridax Pod in combat. saw a chance to outdo him and recreated the species himself, wings, slime and all, some time before the Toa Hagah's raid on Destral. Shortly before the Great Cataclysm, Chirox confronted Mutran over a dead specimen. Mutran tells the story in The Mutran ChroniclesThe Mutran Chronicles: The Brotherhood Experimentalist's Account of Visorak, Rahkshi, and the PlanThe serial record left by the Makuta Mutran of the Brotherhood's transition from Rahi-makers to conspirators, including the experiments that produced the shadow leeches and the campaigns that exposed the Visorak and Rahkshi to the universe.. (The Mutran Chronicles)
Infestation of Metru Nui#
On Metru NuiMetru NuiThe city beneath Mata Nui functions as the Great Spirit's brain, housing the Matoran whose labor keeps the god alive., the Lohrak were first discovered by Onu-MatoranOnu-MatoranEarth-wielding Matoran of the deep who adapted to darkness and built the Matoran Universe's defensive cavalry. miners digging for lightstones in Onu-Metru. The serpents quickly spread across the city and became a serious menace, until every metru had its own story of a frightening Lohrak encounter. (BIONICLE Adventures 4: Legends of Metru Nui)
TuragaTuragaFormer Toa who fulfilled their destiny and transformed into leaders. Turaga wield Noble Kanohi masks and weakened elemental powers, guiding their communities. DumeDumeDume is a Turaga of Fire and the former ruler of Metru Nui, distinguished by his red and black coloring and the Noble Kanohi Kiril, the Mask of Regeneration. As a member of the Turaga of Metru Nui, he wields a Staff of Office and commands a weakened mastery of Fire. He later resides on the reformed Spherus Magna. stopped all mining projects and declared the Lohrak a protected species, in the hope of keeping any more of the creatures from being unearthed. (BIONICLE Adventures 4: Legends of Metru Nui)
Encounter with the Toa Metru#
While trying to rescue the Matoran of Metru Nui from TeridaxTeridaxTeridax orchestrated a thousand-year scheme that ended with him occupying the Great Spirit Robot itself before his death on Bara Magna., the Toa MetruToa Metru and Toa HordikaSix Matoran elevated by Lhikan to save their city, mutated by Visorak venom, and restored in time to deliver the population to safety. and 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. stumbled onto a Lohrak nest in the city's tunnels. The episode appears in BIONICLE Adventures 4: Legends of Metru NuiLegends of Metru NuiLhikan's capture by Nidhiki and Krekka, the awakening of the six Toa Metru, the discovery that Turaga Dume had been replaced by Teridax, the Coliseum betrayal, and the duel above the Silver Sea that ended with the city sealed and the Matoran asleep.; a Lohrak scene planned for the film never made the final cut. (BIONICLE Adventures 4: Legends of Metru Nui)
The serpents came at the Toa in numbers. The Toa fought them off and escaped aboard a VahkiVahkiMetru Nui's mechanical law enforcement squads, designed to maintain rigid order but ultimately undermined by chaos beyond their programming. transport. (BIONICLE Adventures 4: Legends of Metru Nui)
The Mutated Lohrak#
When the VisorakVisorak (Rahi)Spider-like Rahi employed by the Brotherhood of Makuta whose name meant 'Stealers of Life' and whose swarms threatened the Matoran Universe. took over Metru Nui, they hunted down the Lohrak and mutated them into far worse creatures. Exposure to Hordika venom made a Lohrak a Lohrak Hordika, three to five times the size of a normal specimen, with a screech that could shatter rock and metal and even create creatures made of pure sonic force. Some ordinary Lohrak escaped through the Great Barrier to Mata NuiMata Nui (Location)An island created by accident on the Great Spirit's face, home to the Matoran for a thousand years. and turned up there now and then over the following thousand years. (BIONICLE Adventures 7: Web of the Visorak; BIONICLE: Rahi Beasts; BIONICLE: Encyclopedia Updated)
One Lohrak Hordika emerged from its cocoon in the Le-Metru Moto-Hub and created a sonic entity, which the Toa HordikaToa HordikaToa mutated by Visorak venom into bestial hybrids, forced to fight their primal nature and hunt for a cure. defeated. Going down into the ArchivesThe Archives of Metru NuiThe Archives of Onu-Metru were the central repository of Matoran knowledge and Rahi specimens, maintained by the Archivist Corps beneath the city's surface., they met the Lohrak Hordika itself, which drove them back up into the Moto-Hub and smashed through a wall, drawing the VahkiVahkiMetru Nui's mechanical law enforcement squads, designed to maintain rigid order but ultimately undermined by chaos beyond their programming. into a three-way fight. 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. iced over its wings, and the creature flew off towards Ta-Metru in search of heat to melt them. (BIONICLE Adventures 7: Web of the Visorak)
Biology and Behavior#
Lohrak had bat-like wings that let them fly at great speed, rows of razor-sharp teeth, and claws on the ends of their tails for snatching prey in surprise attacks. Their flesh was poisonous: KrikaKrikaThe cautious Mistika leader who survived by never taking unnecessary risks, until Teridax's Plan forced his hand. once told TahuTahu, Toa of FireTahu served as Toa Mata, Toa Nuva, and Toa Mistika of Fire, leading his team from the first landing on Mata Nui to the destruction of the Rahkshi army on Bara Magna. that a kavinika which bit a Lohrak would die even if it won the fight. (BIONICLE Legends 10: Swamp of Secrets)
Ordinary Lohrak were small, and they favoured the tunnels beneath Metru NuiMetru NuiThe city beneath Mata Nui functions as the Great Spirit's brain, housing the Matoran whose labor keeps the god alive.. The mutated Lohrak was around ten feet long with a twenty-foot wingspan. (BIONICLE: Rahi Beasts; BIONICLE Adventures 7: Web of the Visorak)
Other appearances#
The shapeshifting Rahi KrahkaKrahkaKrahka is a Rahi affiliated with various groups and known to have worn various Kanohi; only one of her kind remains. once took the form of a Lohrak. (BIONICLE Adventures 8: Challenge of the Hordika)
Frequently asked questions
- What were the Lohrak?
- The Lohrak were a species of winged serpentine Rahi created by the Brotherhood of Makuta. They had bat-like wings, rows of razor-sharp teeth, claws on their tails and poisonous flesh, and they infested the underground of Metru Nui.
- Who created the Lohrak?
- The first Lohrak was made by Makuta Chirox, who wanted a flying serpent slimy enough to slither through small cracks. His version fell short, and Makuta Mutran recreated the species himself to outdo him.
- Why did Chirox object to Mutran's Lohrak?
- Shortly before the Great Cataclysm, Chirox confronted Mutran over a dead specimen of Mutran's Lohrak. Mutran tells the story in The Mutran Chronicles, relishing the chance to show Chirox the version he had made.
- Why did Turaga Dume declare the Lohrak a protected species?
- After Onu-Matoran miners unearthed the Lohrak and they spread across the city, Turaga Dume stopped all mining projects and declared them a protected species, hoping to keep any more from being dug up.
- What happened to the mutated Lohrak?
- When the Visorak took Metru Nui, they mutated Lohrak with Hordika venom into Lohrak Hordika, three to five times normal size and able to unleash shattering sonic screeches. The Toa Hordika fought one in Le-Metru, and Nuju froze its wings before it flew off towards Ta-Metru.
Sources
- SerialThe Mutran Chronicles, Greg Farshtey, BIONICLEstory.com, 2008
- BookBIONICLE Adventures 4: Legends of Metru Nui, Greg Farshtey, Scholastic, 2004
- BookBIONICLE Adventures 7: Web of the Visorak, Greg Farshtey, Scholastic, 2005
- BookBIONICLE Adventures 8: Challenge of the Hordika, Greg Farshtey, Scholastic, 2005
- BookBIONICLE Legends 10: Swamp of Secrets, Greg Farshtey, Scholastic, 2008
- BookBIONICLE: Rahi Beasts, Greg Farshtey and Jeff James, Scholastic, 2005
- BookBIONICLE: Encyclopedia Updated, Greg Farshtey, Scholastic, 2007
Spotted a factual error or a primary source we missed? Email a correction. Every flagged claim gets reviewed.
Followed from this entry

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.

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 Brotherhood of Makuta
An organization of Makuta created by Mata Nui to build Rahi and keep order in his universe, later seized by Teridax and turned into the instrument of the Plan that overthrew the Great Spirit.

Krahka
Krahka is a Rahi affiliated with various groups and known to have worn various Kanohi; only one of her kind remains.

The Archives of Metru Nui
The Archives of Onu-Metru were the central repository of Matoran knowledge and Rahi specimens, maintained by the Archivist Corps beneath the city's surface.

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.
Mentioned in7 entries
Kanohi Rau
The Kanohi Rau allowed its wearer to comprehend foreign written and spoken languages, and was most associated with Turaga Nokama.
Legends of Metru Nui
Lhikan's capture by Nidhiki and Krekka, the awakening of the six Toa Metru, the discovery that Turaga Dume had been replaced by Teridax, the Coliseum betrayal, and the duel above the Silver Sea that ended with the city sealed and the Matoran asleep.
Nivawk
Nivawk was a scavenger hawk Rahi that served Makuta Teridax as an aerial spy during his impersonation of Turaga Dume.
The Coliseum
Central tower of Metru Nui, serving as government seat, akilini arena and, during Teridax's masquerade, the place from which the city's Matoran were rounded up into spheres.
The Mutran Chronicles: The Brotherhood Experimentalist's Account of Visorak, Rahkshi, and the Plan
The serial record left by the Makuta Mutran of the Brotherhood's transition from Rahi-makers to conspirators, including the experiments that produced the shadow leeches and the campaigns that exposed the Visorak and Rahkshi to the universe.
Web of the Visorak
The Toa Metru's return voyage to a city overrun by the Visorak horde, their capture above the Coliseum, and their forced mutation into the bestial Toa Hordika.
Moto Hub
The vehicle factory at Metru Nui's center, where Le-Matoran built chutes and ground transports before the Great Cataclysm.
Get new articles in your inbox
No spam. New lore drops, canon conflicts, and deep dives only when they’re worth reading.
Some links on Lore Fortress are affiliate links. If you buy through them we earn a small commission at no extra cost to you.






















