Dueling Mask

Dueling Mask (デュエルマスク, Dyueru Masuku) is a recurring piece of equipment in the series. It is oftentimes one of the stronger helmets in the game, but has on occasions been an accessory as well.

Final Fantasy VI
Dueling Mask is the strongest helmet available for Gau in the Advance remake, providing 40 Defense and Magic Defense, as well as 10% Evasion and Magic Evasion. It also provides +6 Speed, Stamina, and Vigor, as well as halving all elemental damage. It can only be found in the Dragons' Den, or by betting a Bone Wrist in the Dragon's Neck Coliseum.

Final Fantasy XII
Dueling Mask is the strongest helmet in the game, providing +800 HP, +45 Defense, and +2 Strength. It requires Light Armor 12 to use, and can be found in Pharos at Ridorana.

Final Fantasy XII: Revenant Wings
Duel Mask is Fran's best accessory, gotten in Final Mission 69. It increases the effectiveness of Fran's Barrage skill.

Dissidia Final Fantasy
Dueling Mask is a level 99 helmet that provides +330 Bravery.