Mask of Intangibility

The Mask of Intangibility was a Kanohi which gave its user the power to lower their density to become intangible. This allowed them to pass through solid objects or avoid attacks. The user could also control how low they lowered their density.

Great

 * Toa Mangai Tuyet

Powerless

 * Matoran Tuyet - Formerly; transformed

Trivia

 * In the Dark Mirror alternate timeline, a huge monument of a Mask of Intangibility was created and placed in Metru Nui, due to its location of Tuyet's throne.