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This page features content from 2002
This article was a previous Featured Chronicle
"Each Bohrok carries within it a Krana, their greatest strength. Also their greatest weakness."
Turaga Vakama, The Bohrok Awake
Comic Krana.png
Powers Controlling their wearers, granting their wearers power(s)
Status Dormant
Location Bohrok Nests
Pronunciation KRAH-nah
Set Number 8569

The Krana are small organic creatures that represent the driving intelligence of the Bohrok swarms.


Kopaka on his quest to collect the Krana
The Toa Mata with the Krana they collected

The original Krana were created by the Great Beings from the remains of the process which created the first Matoran that had been made. They exposed the remains to Energized Protodermis. The mixture turned into not only Krana, but also Zyglak.

The Bahrag were later taught how to create them on their own, and were given Energized Protodermis to dip an object into, which later becomes a Krana. A carving of this process was later inscribed on a tunnel above Metru Nui.

When the Bohrok first attacked Mata Nui, the Turaga of the island instructed the Toa Mata to collect the eight varieties of Krana from each different type of Bohrok. These were later placed into niches on the floor of the Bohrok Nest, which opened up the pathways to the six Exo-Toa.

After the Bahrag were defeated and imprisoned, the Matoran dumped the Krana into deep pits, sealed them, and marked them with warning signs. However, many Krana still remained in stasis in their Nests.

When the Toa Nuva returned and freed the Bahrag in preparation of Mata Nui's Reawakening, the Bohrok destroyed these pits and retrieved the Krana inside.[1]

Abilities and Traits

The Krana receive commands from the Bahrag and are capable of latching onto a biomechanical being's face and controlling their mind, making them part of the Bohrok swarm. Krana cannot control organic beings, such as those native to Spherus Magna, because they are designed to override programming.[2] They are also capable of slowing down their life processes. Like the Matoran and Toa, Krana function on artificial intelligence.[3]

All Rahi fear and avoid Krana, because they sense that there is something 'wrong' about them.


There are forty-eight varieties of Krana, eight for each of the six breeds, with all eight having different a power. Bohrok cannot function without a Krana, and if one is ever lost it is the task of the Bohrok Va to replace it.

Krana Vu being used by Pahrak

The eight types of Krana are listed below.

Krana Power
Krana Xa Swarm Commanders

Allowed its Bohrok to form complex strategic plans.

Krana Vu Surveyors

Allowed its Bohrok to fly short distances.

Krana Yo Moles

Allowed its Bohrok to tunnel through almost any substance on Mata Nui.

Krana Su Workers

Gave its Bohrok enhanced strength.

Krana Za Squad Leaders

Allowed its Bohrok to communicate telepathically with others within the swarm. It also gave its Bohrok the ability to read the minds of other beings.

Krana Ca Clearance Workers

Allowed its Bohrok to shield itself and others from attack.

Krana Ja Scouts

Allowed its Bohrok to detect distant obstacles.

Krana Bo Sentinels

Allowed its Bohrok to see in the dark.

A Tahnok's Krana Xa

Krana have two different colors: "active" colors and "dormant" colors. Krana are active if they are inside an operating Bohrok or if they are attached to a being's face. When not commanding a host they go dormant, conserving energy and turning a different color. Bohrok Va do not need Krana to operate, so their Krana are always in the dormant state until used.

Xa Vu Yo Su Za Ca Ja Bo
Tahnok Active Tahnok Krana Xa.png Tahnok Krana Vu.png Tahnok Krana Yo.png Tahnok Krana Su.png Tahnok Krana Za.png Tahnok Krana Ca.png Tahnok Krana Ja.png Tahnok Krana Bo.png
Dormant Tahva xa.gif Tahva vu.gif Tahva yo.gif Tahva su.gif Tahva za.gif Tahva ca.gif Tahva ja.gif Tahva bo.gif
Gahlok Active Gahlok Krana Xa.png Gahlok Krana Vu.png Gahlok Krana Yo.png Gahlok Krana Su.png Gahlok Krana Za.png Gahlok Krana Ca.png Gahlok Krana Ja.png Gahlok Krana Bo.png
Dormant Gahva xa.gif Gahva vu.gif Gahva yo.gif Gahva su.gif Gahva za.gif Gahva ca.gif Gahva ja.gif Gahva bo.gif
Lehvak Active Lehvak Krana Xa.png Lehvak Krana Vu.png Lehvak Krana Yo.png Lehvak Krana Su.png Lehvak Krana Za.png Lehvak Krana Ca.png Lehvak Krana Ja.png Lehvak Krana Bo.png
Dormant Lehvak Va Xa.gif Lehvak Va Vu.gif Lehvak Va Yo.gif Lehvak Va Su.gif Lehvak Va Za.gif Lehvak Va Ca.gif Lehvak Va Ja.gif Lehvak Va Bo.gif
Pahrak Active Pahrak Krana Xa.png Pahrak Krana Vu.png Pahrak Krana Yo.png Pahrak Krana Su.png Pahrak Krana Za.png Pahrak Krana Ca.png Pahrak Krana Ja.png Pahrak Krana Bo.png
Dormant Pahva xa.gif Pahva vu.gif Pahva yo.gif Pahva su.gif Pahva za.gif Pahva ca.gif Pahva ja.gif Pahva bo.gif
Nuhvok Active Nuhvok Krana Xa.png Nuhvok Krana Vu.png Nuhvok Krana Yo.png Nuhvok Krana Su.png Nuhvok Krana Za.png Nuhvok Krana Ca.png Nuhvok Krana Ja.png Nuhvok Krana Bo.png
Dormant Nuhva xa.gif Nuhva vu.gif Nuhva yo.gif Nuhva su.gif Nuhva za.gif Nuhva ca.gif Nuhva ja.gif Nuhva bo.gif
Kohrak Active Kohrak Krana Xa.png Kohrak Krana Vu.png Kohrak Krana Yo.png Kohrak Krana Su.png Kohrak Krana Za.png Kohrak Krana Ca.png Kohrak Krana Ja.png Kohrak Krana Bo.png
Dormant Kohva xa.gif Kohva vu.gif Kohva yo.gif Kohva su.gif Kohva za.gif Kohva ca.gif Kohva ja.gif Kohva bo.gif

Set Information

A Krana Xa in a Bohrok headplate

Krana were first released in early 2002 in the Bohrok and Bohrok Va sets as rubbery plastic accessories, with one random Krana appearing in each set in the color used by that particular Bohrok or Bohrok Va. Bohrok sets would fling their Krana as a defense mechanism when their eyes were pressed, while Bohrok Va would fling their Krana when their right arm was moved.

Krana were also available in the "Krana" set (set #8569), a small boxed set that included three random Krana and two random Golden Kanohi or silver Kanohi worn by the Toa Mata. While the back of the box showcased only the six active colored Krana, the box also could contain any of the six dormant colored Krana. During the latter half of 2002 the "Kanohi Nuva and Krana" set became available, containing three random Krana in the same colors as before as well as two random Kanohi Nuva in any of the primary colors of the six Toa Nuva.

Krana produced in the latter half of 2002 each bear three Matoran letters on their reverse sides.


Carvings of Krana Xa, Vu and Bo
"These Krana are not objects of power, like our Kanohi - they are alive!"
Kopaka, To Trap a Tahnok
"I know the Krana controls your body, Lewa, but not your will. If it is so strong that it can make you harm a friend... Then go ahead -- I will not defend myself. But I know you, Lewa. I have fought beside you... and I know you are stronger than this parasite."
Onua to Lewa, Into the Nest


  • Matoran would classify Krana as Rahi, even though they are not.


A Krana targeting a maskless Tahu
Books Comics Online Multimedia







Short Stories




  1. BZPower: Farshtey Feed, 17. January 2010
  2. BZPower: Farshtey Feed, 11. May 2010 (archive)
  3. Chat with Greg Farshtey, 3. November 2014

See also

External links