|Cloud: I couldn't finish 'em. Looks like this's gonna get complicated.|
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|Final Fantasy X Boss|
|Sensor||Immune to sensors.|
|Immune to||Silence, Sleep, Darkness, Poison, Petrification, Slow, Zombie, Power Break, Magic Break, Armor Break, Mental Break, Threaten, Death, Provoke, Distil, Sensor, Scan, Gravity, Delay, Eject|
|Other Information||Can only be fought by aeons.|
Bahamut cannot be called to fight against Spathi, so he will sit out this one. Ifrit or Ixion are the best of the rest, and preferably one or both has a full Overdrive gauge. Spathi will not attack but starts a countdown until he uses Mega Flare, at which point Shielding is recommended.
Spathi is Greek for "sword". Likewise, Spathi's original name, "Tsurugi", is Japanese for "sword".