Energized Protodermis Entity
The Living Mind of the Substance
The Energized Protodermis Entity was the living mind of energized protodermis, able to take shape in any pool of the substance. It clashed with the Toa Metru and with Helryx and Keetongu, and its wave gave Vezon the power to open dimensional gates.
The Energized Protodermis Entity was the living mind of energized protodermisEnergized ProtodermisA sentient substance that could remake or annihilate any being that touched it. One of the Matoran Universe's most lethal hazards., the silver substance that transforms anything destined to change and destroys anything that is not. It could shape a body for itself in any pool of the substance and speak through it, and it told Toa Helryx that it was every drop of energized protodermis that exists. It clashed with several major figures of the Matoran UniverseMatoranThe most abundant species in the Matoran Universe, chosen by Mata Nui to inhabit and maintain his cosmic body.. (BIONICLE: Encyclopedia Updated; BIONICLE Adventures 6: Maze of Shadows; Destiny War)
Origin#
Energized protodermis began in the core of Spherus MagnaSpherus MagnaA desert world of ancient conflict that became the merger point of the Matoran Universe and Bionicle's true endpoint.. When it leaked to the surface and the Element Lords discovered its power to transform or destroy, the fight over it became the Core War. (All Our Sins Remembered)
The Great BeingsThe Great BeingsScholar-inventors of Spherus Magna whose creations shaped the Matoran Universe and whose absence defined the conflicts that followed. placed some of the substance inside the Mata Nui robot, using it to help stabilise the robot's power source. (BIONICLE: Journey's End)
Within the substance lived a mind. The entity could form a body in any source of energized protodermis, in any shape it chose, and think and speak through it. It could also send the substance out in jets or a tidal wave and sense whether a being was destined to be transformed. It saw itself as the supreme form of life and looked down on creatures of armour and tissue like the Toa. (BIONICLE: Encyclopedia Updated; Destiny War)
The Toa Metru#
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. met the entity on their journey back to Metru Nui after the Great Cataclysm, when they were forced to fetch a vial of energized protodermis. In a pool in one of Makuta Teridax's lairs, the substance took on a physical form and spoke to them. (BIONICLE Adventures 6: Maze of Shadows)
Instead of letting them take any, it showed off its power by turning a tiny insect into a monster two hundred feet tall, then destroyed the creature when it grew bored of the fight. When the Toa attacked, it mutated more creatures against them, a rock worm among them. (BIONICLE Adventures 6: Maze of Shadows)
The Toa beat the creatures and then taunted the substance until it smashed the pillars holding up the chamber. With only one pillar left, they offered to leave the lair standing if they could take what they needed. The entity agreed, then sent a tidal wave of itself after them once they had it. The Toa shattered the last pillar, collapsed the chamber on the pool and escaped. (BIONICLE Adventures 6: Maze of Shadows)
Helryx, Keetongu, and Vezon#
The entity took an interest in those whose work it found worth its attention, and it had let the Makuta use its pools to make RahkshiBionicle Rahkshi: the Sons of Makuta from Mask of LightRahkshi are armoured hunters made from kraata, the slug-like creatures of the Makuta. Six of them chased the Mask of Light across Mata Nui in 2003. Here's what they are, the different kinds and where they turn up in the films, books and comics.. During the war between the Order of Mata Nui and the Brotherhood of Makuta, the Order set out to bury every known source of energized protodermis so the Makuta could make no more. (Destiny War)
As part of that effort, Toa HelryxHelryx: the first Toa ever createdHelryx was the first Toa ever made, commissioned by the Great Beings on Artakha long before the Toa Mata. She founded and led the Order of Mata Nui. and KeetonguKeetonguThe legendary Rahi who broke the Visorak siege and lived to prove he was worth the legend. went to an island to look into the origin of some Rahkshi. They found the entity taking shape at the centre of a huge lake of energized protodermis. Helryx questioned it about the destruction it had caused, and when she threatened to destroy it, it answered with a tidal wave of the substance. (Destiny War)
The two escaped through a portal opened by VezonVezonHe started as a weapon misfire and a throwaway joke, and the canon spent four years quietly turning him into its most useful expendable asset., who ended up in their place. The wave washed over him, the Kanohi Olmak he wore was absorbed into his body, and he gained the power to open dimensional gates himself. What became of the entity afterwards is never told. (Destiny War; Reign of Shadows)
Frequently asked questions
- What was the Energized Protodermis Entity?
- It was the thinking, speaking mind inside energized protodermis, the silver substance that transforms anything destined to change and destroys anything that is not. It could shape itself into a body in any pool of the substance, and it told Helryx that it was every drop of energized protodermis that exists.
- Where did the Energized Protodermis Entity come from?
- Energized protodermis began in the core of Spherus Magna and leaked to the surface, where the fight over it became the Core War. The Great Beings later placed some of it inside the Mata Nui robot to help stabilise its power source.
- How did the Toa Metru escape the Energized Protodermis Entity?
- Sent to fetch a vial of the substance, the Toa Metru angered the entity and lured it into smashing the pillars holding up its cavern. With one pillar left, they offered to leave if it let them take what they needed. It agreed, then attacked with a tidal wave as they left, so they shattered the last pillar and buried the pool.
- How did the Energized Protodermis Entity give Vezon his dimensional powers?
- When Helryx and Keetongu threatened it, the entity sent a tidal wave of the substance at them. Vezon opened a portal that let them escape, taking their place. The wave washed over him, the Mask of Dimensional Gates he wore was absorbed into his body, and he gained the power to open dimensional gates himself.
Sources
- BookBIONICLE Adventures 6: Maze of Shadows, Greg Farshtey, Scholastic, 2004
- BookBIONICLE: Encyclopedia Updated, Greg Farshtey, Scholastic, 2007
- ComicAll Our Sins Remembered, Greg Farshtey, art by Stuart Sayger, in BIONICLE 8: Legends of Bara Magna, Papercutz, 2010
- BookBIONICLE: Journey's End, Greg Farshtey, AMEET, 2010; serialised on BIONICLE.com
- SerialDestiny War, Greg Farshtey, podcast serial on BIONICLEstory.com, 2008
- SerialReign of Shadows, Greg Farshtey, BIONICLEstory.com, 2009 to 2010
Spotted a factual error or a primary source we missed? Email a correction. Every flagged claim gets reviewed.
Followed from this entry

The Great Beings
Scholar-inventors of Spherus Magna whose creations shaped the Matoran Universe and whose absence defined the conflicts that followed.

Keetongu
The legendary Rahi who broke the Visorak siege and lived to prove he was worth the legend.

Energized Protodermis
A sentient substance that could remake or annihilate any being that touched it. One of the Matoran Universe's most lethal hazards.

Matoran
The most abundant species in the Matoran Universe, chosen by Mata Nui to inhabit and maintain his cosmic body.

Bionicle Rahkshi: the Sons of Makuta from Mask of Light
Rahkshi are armoured hunters made from kraata, the slug-like creatures of the Makuta. Six of them chased the Mask of Light across Mata Nui in 2003. Here's what they are, the different kinds and where they turn up in the films, books and comics.

Vezon
He started as a weapon misfire and a throwaway joke, and the canon spent four years quietly turning him into its most useful expendable asset.
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