Adamant Shield (アダマンシールド, Adaman Shīrudo?) is a recurring shield in the series. It is often one of the strongest shields in the games it appears in, if not the strongest shield, and provides very high stat boosts.
Adamant Shield is the strongest shield, obtained by trading Adamantite x2. It provides +15 Defense and Magic Defense, 50% Evasion, 16% Magic Evasion, +5 to all stats, resistance to Ice, and immunity to Confuse, Mini, Curse, and Silence. It can be equipped by everyone except Calca and Brina.
Adamant Shield is the strongest shield, providing 20 Defense and 50 Evade.
Dissidia Final Fantasy (2008)
Non-Final Fantasy guest appearances
A shield made from the carapace of an adamantite shell. The grip is rather slimy. It is so strong that no blade can penetrate it. It is lighter and easier to use than metal shields, making it an ideal shield for melee battles.Bravely Default description
In Bravely Default, Adamant Shield is a high-ranked shield that provides 27 P.DEF, 14 M.DEF, and 26 Evade. It can be bought for 7,500 pg at Eternia.
Adamantite and similar words including Adamant and Adamantine are used to refer to any especially hard substance, whether composed of diamond, some other gemstone, or some type of metal.