Dominator
Character: Rikku
Abilities: MP +5% and MP +10% and MP +20% and MP +30%
Equivalent: Magic Ace (Wakka)
Magical Armlet (Kimahri)
Magical Bracer (Auron)
Magical Ring (Yuna)
Magister Bangle (Lulu)
Magister Shield (Tidus)