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Required sets:

8563 Tahnok
8564 Lehvak

Year introduced:




The Keras is a BIONICLE combiner model introduced in 2002. It can be built with the pieces of 8563 Tahnok and 8564 Lehvak. The instructions were once available on in the "Buildits" section.


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

In Metru Nui, the Keras lived in the Silver Sea off of Ga-Metru.

After the Great Cataclysm, several Keras came to occupy the reefs of Ga-Wahi. The activities of the Bohrok swarms, namely Gahlok, forced many of this species onto the beaches of Mata Nui, where they were tamed by the Ga-Koro Guard with help from the Onu-Koro Ussalry. The Keras were fitted with special riding plates which allowed them to transport Matoran from place to place either by land or by sea.

In the Pit, the Barraki Carapar had a large number of these creatures in his army. The Pit Mutagen in the waters there caused these specimens to become vicious. These crabs took control of the Fields of Air temporarily, and the Mahri Nui Matoran sent the Toa Mahri to force them out, but the crabs retreated on their own accord when the Barraki came to negotiate with the Toa.

Abilities and Traits

Keras are highly reclusive and territorial. They are sensitive to high sunlight, and feed on fish, both of which offered Mata Nui's Ga-Matoran a way to repay the Keras for their aid in the Bohrok War.

Biosecter01 Logo This page uses content from BIONICLEsector01. The original article was at Keras. The list of authors can be seen in the page history. As with Brickipedia, the text of BIONICLEsector01 is available under the GNU Free Documentation License, however please help to make this a unique article to Brickipedia in any way you can.
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