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"Onu-Koro always fares well against Water Rahi such as Nui-Rama and Water Tarakava, but we fear the swift Nui-Kopen of Air!"
Taipu, Mata Nui Online Game


The Nui-Kopen are huge wasp-like Rahi.


The Nui-Kopen species was created by the Makuta using Viruses and Liquid Protodermis to be one of the Rahi to inhabit the Matoran Universe.

When the Great Cataclysm struck and caused the creation of the island of Mata Nui, several Nui-Kopen from Metru Nui migrated to the island and integrated themselves into the Le-Wahi habitat.

During the the Dark Time on Mata Nui, Nui-Kopen were possessed by Makuta Teridax with his Infected Kanohi, and he often forced them and the Nui-Rama to work together, even living in the same nests. Teridax at one point used one of his possessed Nui-Kopen to ambush Toa Mata Lewa and then fit him with an Infected Mask. However, thanks to the efforts of Onua, Lewa was freed and reclaimed his mask. Lewa quickly used his Kanohi Komau to exert mind control on the Nui-Kopen and use it as transport to return the kidnapped Matoran residents of Le-Koro. the surviving Nui-Kopen emigrated to Spherus Magna.

The Nui-Kopen that inhabited Mata Nui retreated back to Metru Nui after the Toa Nuva released the Bohrok swarms.

Lewa facing a swarm of Nui-Kopen

Mutated Nui-Kopen


Roodaka once owned a mutated Nui-Kopen as her personal pet, which she used to travel very quickly. It has since been abandoned. It is unknown what happened to it.

Karda Nui

In Karda Nui, a Nui-Kopen attacked Onua, who retaliated by bashing it into the waters of the Swamp. Because of the water's mutagenic properties, the Nui-Kopen transformed into a creature with a longer wingspan, a sharp and barbed stinger and tentacles sprouting from its sides. It was later killed when the Energy Storms struck.

Abilities and Traits

Nui-Kopen are enemies of the smaller Nui-Rama, and they will willingly attack each other on sight. Their extreme hatred of each other is because of the fact that they hunt the same prey, leading to fierce competition.

Like the Nui-Rama, they can fly high above the treetops at incredible speeds.

Set Information

The Nui-Kopen combiner

The Nui-Kopen can be built out of parts from two Nui-Rama in the Nui-Rama set. Pressing a button on its back caused its four wings to flap.


  • In the Matoran language, Nui-Kopen translates literally as Great Wasp.


A Nui-Kopen in BIONICLE: The Game

External Links