Fikou Web
The maintenance tunnel system beneath Metru Nui's Archives, named for how its paths twist like spider silk.

The FikouFikouSmall arachnid Rahi associated with Metru Nui's Maintenance Tunnels, the reason the tunnel network earned the nickname Fikou Web. Web isn't a creature. It's the nickname for the maintenance tunnels buried beneath the Onu-MetruOnu-MetruThe deep archive-city that made mining and historical records preservation the beating heart of Metru Nui. Archives, and it's one of those practical labels that makes sense the moment you hear it. 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. WhenuaWhenuaToa Metru of Earth and later Turaga of Onu-Koro, formerly an Onu-Metru archivist whose career in the Archives shaped his role across the rescue of Metru Nui and the long residency on Mata Nui. came up with it during 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.'s 2004 crisis. The passages crisscross and twist around each other in a pattern resembling what spiders leave down below, as he explained in The DarknessDarknessThe Dark Hunter assigned to shadow The Shadowed One himself, waiting for any sign of weakness in the leader he was prepared to replace, and one of the few Hunters his master openly counted among the most powerful. Below. It's pure ArchivistArchivistA Matoran keeper of records and relics, the Archivist held one of Metru Nui's deadliest jobs. thinking: observe the pattern, name it directly, move on.
Infrastructure Below#

WhenuaWhenuaToa Metru of Earth and later Turaga of Onu-Koro, formerly an Onu-Metru archivist whose career in the Archives shaped his role across the rescue of Metru Nui and the long residency on Mata Nui. was an ArchivistArchivistA Matoran keeper of records and relics, the Archivist held one of Metru Nui's deadliest jobs. before he became a Toa, which gave him knowledge of the Archives that most others lacked. When 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. needed a shortcut through Metru NuiMetru NuiThe city beneath Mata Nui functions as the Great Spirit's brain, housing the Matoran whose labor keeps the god alive. to search for the Great Disks, WhenuaWhenuaToa Metru of Earth and later Turaga of Onu-Koro, formerly an Onu-Metru archivist whose career in the Archives shaped his role across the rescue of Metru Nui and the long residency on Mata Nui. knew exactly where to go. He opened a hole in the street that led down into the tunnel network. This wasn't a secret passage or hidden ruin. It was working infrastructure, the kind of thing most citizens never thought about unless the city broke down.
The tunnels don't follow a grid. They twist and branch and reconnect, linking different sections of the Archives to each other and to the surface. Walk through them and WhenuaWhenuaToa Metru of Earth and later Turaga of Onu-Koro, formerly an Onu-Metru archivist whose career in the Archives shaped his role across the rescue of Metru Nui and the long residency on Mata Nui.'s naming choice becomes obvious.
The Attack in Darkness#
The FikouFikouSmall arachnid Rahi associated with Metru Nui's Maintenance Tunnels, the reason the tunnel network earned the nickname Fikou Web. Web became a danger zone during the MakutaMakuta (Species)Shadowy Antidermis beings and the Brotherhood's elite, Makuta commanded darkness and shaped the Matoran Universe's fate. Crisis. When 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. moved through the tunnels in search of the Great Disks, they found trouble waiting. Insect Control RahkshiRahkshiArmor suits powered by parasitic Kraata, Rahkshi were Teridax's most effective soldiers and among Bionicle's most visually iconic early enemies. attacked them in the passages. A freak fog rolled through the tunnels, thick enough to blind, while fireflyers buzzed in the darkness and confusion. MatauMatauA former Le-Metru test driver who became a Toa Metru, Matau wielded air, illusion, and shape-shifting before sacrificing his Toa power to wake the sleeping Matoran. used what little elemental power he had left to clear the fog and expose the threat. The shortcut they'd taken became a combat zone, one of the many places where the crisis caught them off guard.
Compiled from primary sources by Lore Fortress editorial. Reviewed by Joe Garratt, Editor-in-Chief.
Gallery

Images via BIONICLE Wiki (Biosector01)
Sources
- BookBIONICLE Adventures 3: The Darkness Below — Whenua discovers and describes the tunnel system during the Toa Metru's quest for the Great Disks
- BookBIONICLE: Encyclopedia Updated — Reference entry for Fikou Web location
- WikiFikou Web
Spotted a factual error or a primary source we missed? Email a correction. Every flagged claim gets reviewed.
Related entries
Fikou
Small arachnid Rahi associated with Metru Nui's Maintenance Tunnels, the reason the tunnel network earned the nickname Fikou Web.
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Mentioned in7 entries
Fikou
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Matau
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