Sin's Left Fin is a boss in Final Fantasy X. This battle takes place during the fight to get inside Sin, and is the first of a series of boss fights. Like the battle against Evrae, the player is on the Fahrenheit and can fly in and out of range of physical attacks.

Stats[edit | edit source]

Battle[edit | edit source]

Flying in and out of range of Sin changes his physical attack between a delaying ram or a long-ranged smack, which can deal over 1000 damage to the party. Sin can randomly use Negation, which simultaneously removes breaks from it and, if up close, status buffs from the party. If the core starts charging, it will use Gravija, which drains 75% of the party's current HP if up close.

The Fins' AI differs slightly, specifically, while fighting them close-up, on the turns not used for charging or unleashing Gravija. The Fins sometimes attack, and sometimes don't, but the exact mechanics of this differ between the two Fins. The attacks themselves are identical. In both cases, it is determined on how many times the party has attacked the arm since the last time it used its physical attack (whether close-up or at distance). Also in both cases, an attack from an aeon counts as two attacks.

The Left Fin follows the following:

  • 0 attacks: 33% chance of attacking
  • 1 attack: 66% chance of attacking
  • 2+ attacks: 100% chance of attacking

This counter is also used at a distance (for both fins), but the requirements vary. The Left Fin requires 7 hits to trigger an attack at distance, the Right Fin requires 5 hits prior to reaching 16,250 HP, and 3 hits after reaching 16,250 HP. The counter is reset whenever the attack is used. Up close and distance don't have separate counters; they run off the same one, just with up close having lower requirements to trigger.

Strategy[edit | edit source]

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Other appearances[edit | edit source]

Final Fantasy Record Keeper[edit | edit source]

FFRK Left Fin FFX.png
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Gallery[edit | edit source]

Related enemies[edit | edit source]

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