The Creeper Mask is also used during the Temple of Legends when the player is sent to find Garull in the Creeper's Hideout. Therefore, it is recommended that you keep this item, but if you throw it away you can get a new mask for Temple of the Legends with the required items.
Creeper Mask used to be the second Quest Item Helmet available to the player, after Breathing Helmet.
An outdated screenshot of the mask in game, it was changed and has preset stats now.
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