Kahnohi Vahi OBD Bionicle
I must have the mask of time!

Name: Kahnohi Vahi, the Mask of Time
Origin: Bionicle
Type: Legendary Kahnohi Mask
Powers and Abilities: Gives the wearer limited control over time. Coincidentally, destroying it destroys the concept of time
Destructive Capacity: Universe level+ (if destroyed or misused)
Wielder(s): Tahu Nuva, Toa Vakama.
Material or Element: Metal Protodermis
Needed Prerequisite for Use: None, however the amount of will it would take to completely master it has not been seen even amongst the makuta
Notable Attacks/Techniques or Alternate Forms:

N/A

Other: This mask was only used twice and never was destroyed.