X-2 Defense Veil is an accessory that provides +20 Magic Defense. It can be bought for 1,000 gil at Zanarkand Dome (chapters 1/2) or for 750 credits at Argent Inc., dropped by Ormi at Chateau Leblanc (chapter 2), stolen from Guardian Beast and YSLS-99 (rare), or by winning the Standard Cup: Hard in the Fiend Arena. When two are consumed by a monster, it will teach it Mental Break.
Dissidia012 Defense Veil returns as an accessory that provides the same bonus as before. It can be obtained from the shop by trading 1,500 gil, Stalwart's Dream x3, Brawler's Dream x3, and Sealed Darkness x3.