This page features content from BIONICLE Generation 1
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Title Mask of Diminishment
Powers Lets user shrink without losing any strength
Component disks Shrink
Bearers Norik
Pronunciation peh-KOO-ee[1]

The Kanohi Pehkui is the Mask of Diminishment, or Mask of Shrinking.[2] It allows its user to shrink themselves and their tools down while still retaining their full strength and power capacity.[1][3][4] The Great version has a minimum height of six inches.[1][5]

On Metru Nui, Kanohi Pehkui are made from Shrink Kanoka.[6]

Norik's Kanohi Pehkui in action

Example Usage

In Birth of the Rahaga, Toa Hagah Norik used his Kanohi Pehkui to sneak up on Roodaka while shrunken, then knocked her down with his shield as he returned to normal size.




  • Norik - Formerly; became Great when he transformed into a Toa[7][11]


  1. 1.0 1.1 1.2 "Pekhui." Encyclopedia Updated, p. 110.
  2. "Chapter 3." Dwellers In Darkness.
  3. "Official Greg Discussion", post 3568. BZPower Forums. (archived on
  4. "Official Greg Dialogue", post 4836. BZPower Forums. (archived on
  5. "Official Greg Discussion", post 3518. BZPower Forums. (archived on
  6. "Kanoka Disk - Mask of Power Chart." Encyclopedia Updated, p. 53.
  7. 7.0 7.1 "Official Greg Dialogue", post 13013. BZPower Forums. (archived on
  8. "Official Greg Dialogue", post 6933. BZPower Forums. (archived on
  9. "Official Greg Dialogue", post 7034. BZPower Forums. (archived on
  10. "Appendix: Origin of the Rahaga." Web of Shadows. BIONICLE Adventures 9, p. 133.
  11. "Chat with Greg Farshtey", post 10671021. LEGO Message Boards. (archived on

See Also