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A brief summary of the BIONICLE storyline.

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    Bionicle Chronicles (2001-2003) 
The first and most iconic years of BIONICLE, introducing the setting and characters. See the characters page for characters appearing during these years.

Quest For The Masks

On the island of Mata Nui, six tribes of robotic beings named Matoran have been battling the evil Makuta and his Rahi, mechanical animals, for over 1000 years. Everything changes when six canisters wash ashore, each one containing a hero, or Toa. Each hero controlling an element of nature: Fire, Earth, Water, Ice, Stone and Air and a mask power, the Toa are truly mighty warriors. None of them remember their past, but the Toa are tasked with collecting great masks of power by the Turaga, the village elders. Together, Tahu, Onua, Gali, Kopaka, Pohatu and Lewa fight the forces of darkness and strive to awaken Mata Nui, the Great Spirit.

Awakening of the Bohrok

After seemingly defeating the evil Makuta, the Toa are greeted by a strange new threat; Bohrok, a swarm of insectoid creatures threatening to destroy the island and its inhabitants alongside it! Using the power of their new golden masks, the Toa must each collect eight different breeds of krana, the strange organic masks controlling the Bohrok. Once the krana have been collected, the Toa must stop the twin swarm queens: Cadhok and Gahdok.


After defeating the swarm queens, the Toa fall into a vat of Energized Protodermis and emerge reborn as "Toa Nuva". With enhanced elemental and mask powers, the Toa are more powerful than ever before. Unfortunately, with this new strength comes a new weakness: the "Nuva Symbols". When stolen by their new enemies, the Bohrok-Kal, the powers of the Toa Nuva weaken. Only by collecting the new Kanohi Nuva scattered throughout the island will the Toa stand a chance against their new foes, or else the Bohrok-Kal will re-awaken the swarm queens. With the help of the Vahi, mysterious mask of time, the Toa Nuva manage to destroy the Bohrok-Kal and keep the swarm queens locked in stasis.

The Mask Of Light

Chronicler Takua discovers a glowing mask in the lava of Ta-Wahi but allows its discovery to be credited to his best friend Jaller, who is named herald to this "mask of light" and tasked with finding the prophesized "seventh toa". Not allowing his friend to shirk his duties, Jaller forces Takua to come with him and the two set off on a journey to find the seventh toa. In order to hinder them, Makuta releases his "sons", six demonic "Rahkshi" who destroy the Ta-Matoran home of Ta-Koro and corrupt Tahu. In the end, Takua is revealed to be the seventh toa and wears the mask of life, transforming into Takanuva, the toa of light. The new Toa of Light defeats Makuta in his lair, though not before merging with him into one being, "Takutanuva". After being revived as himself, Takanuva reveals a hidden city: Metru Nui. As the Matoran prepare to depart for this newly discovered home, Turaga Vakama reveals to the Toa Nuva that they are not the first toa.

    Bionicle Adventures (2004-2005) 
See the character page for characters appearing during these years.

Legends of Metru Nui

In the present-day, the Matoran of Mata Nui are preparing to leave their island home for that of the lost city of Metru Nui. Turaga Vakama tells the Toa Nuva and the new chronicler, Hahli tales of his past in Metru Nui, the city of legends, over 1000 years ago. Toa Lhikan gives six ordinary matoran mysterious stones imbued with energy. When the six matoran meet inside the Great Temple, they are transformed into mighty toa! Together, it's up to Vakama, Matau, Nuju, Nokama, Onewa and Whenua to protect their city from danger!

Quest for the Great Disks

The newly formed Toa Metru set out to find six Great Disks of unknown purpose. Splitting into pairs for this mission: Vakama with Onewa, Matau with Nokama and Nuju with Whenua, the Toa must find six Matoran who hold knowledge of the disks' locations.

Web of Shadows

Vakama recounts a dark chapter in the tale of Metru Nui Upon their return to Metru Nui, the Toa Metru find the city destroyed and overrun by spider-like rahi called Visorak.