Final Fantasy X-2/Gun Mage

The Gun Mage dressphere allows the user to learn fiend abilities similar to Kimahri's Ronso Rage in Final Fantasy X. A fiend must be faced in battle, either normal or oversouled, and must perform a learn-able attack on the character wearing the Gun Mage sphere. A Gun Mage can also expose the weaknesses and current status ailments of an enemy or party member.
 * Obtained by - First available by helping Tobli by completing the Guard the Hypello mission at the Moonflow during Chapter 1. Can also be obtained in Chapter 2 by selling at least 6 tickets for Tobli.

Commands

 * Attack
 * Blue Bullet
 * Fiend hunter
 * Scan
 * Item

Blue Bullet abilities

 * Note that some abilities can only be learned when a monster is or isn't oversouled.