Final Fantasy X/Aeons

Unique Attack

 * Aerospark:
 * Non-elemntal damage
 * Negates magical effects:
 * Protect
 * Shell
 * Reflect
 * Haste
 * Regen
 * Nul Spells:
 * NulBlaze
 * NulShock
 * NulTide
 * NulFrost

Overdrive

 * Thor's Hammer:
 * "Ixion envelops all enemies in a storming vortex, and then disintegrates it. Lightning-based elemental damage is inflicted against all enemies. Ixion can inflict more than 9999 HP damage once you've activated Kimahri's Spirit Lance." -Final Fantasy X Official Strategy Guide