Crast

The Kanohi Crast was the Mask of Repulsion. It repelled whatever the user wanted, including nature itself. By repelling the ground, the wearer could fly.

Wearers

 * Makuta Krika

Trivia

 * Toa considered this power to be an immoral one, since the Crast repelled nature itself, while Toa were fundamentally connected to nature.