Giant's Mask

The Giant's Mask is one of the masks found in Majora's Mask. When equipped, the wearer becomes a giant, able to fight enemies many times their size. In Majora's Mask, it's only usable in Twinmold's chamber at Stone Tower Temple. Wearing the mask will drain Link's Magic Meter as well. Drinking a bottle of Chateau Romani beforehand negates the problematic issue of power consumption.

Obtaining the Mask
The mask is obtained in the Stone Tower Temple after a mandatory fight against an Eyegore.

The Happy Mask Salesman has little to say about the Giant's Mask, but he does acknowledge its rarity.

Trivia

 * The mask has an appearance similar to the Moai of Easter Island.
 * It is possible to put on the Giant's Mask elsewhere, using the same glitch used to wear the Fierce Deity's Mask. However, Link will simply either yell as if he's transforming, and the game will lock up, or else revert to normal.
 * When viewed from the Mask Subscreen, the Giant's Mask resembles an inverted version of the masks worn by the Garo Masters.