Mysterious Armor Piece

Mysterious Armor Pieces are an item randomly distributed to party members each time they kill a Portal Mage in the The Shadow Nexus Challenge Mission. This item may be redeemed to change the appearance (not stats) of the armor of the following Heroes in the staging area of the same mission:
 * Norgu
 * Goren
 * General Morgahn
 * Zenmai
 * Olias

The armors are stackable.