Final Fantasy X / X-2 - Sin’s Left Fin Boss Guide

A boss guide for Sin's Left Fin in Final Fantasy X including the boss' stats, attacks, and strategies for defeating it.

Table of Contents

FFX Sin's Left Fin Boss Guide

Sin’s Left Fin

Stats

HP 65,000 (10,000 Overkill)
MP 999
Strength 30
Magic 30
Defense / Magic Defense 100 / 50
Agility 20
Accuracy 1
Evasion 1
Luck 15
AP 16,000 (24,000 Overkill)
Gil 10,000
Weakness None
Strong Against None
Absorbs None
Immunity Silence, Sleep, Darkness, Poison, Petrify, Slow, Zombie, Power Break, Magic Break, Armor Break, Mental Break, Threaten, Death, Provoke, Doom, Demi, Sensor, Scan, Delay, Capture
Location Encountered Bevelle (aboard the Fahrenheit)

Items

Steal Mega Potion, Supreme Gem
Drop HP Sphere, Weapon (Piercing, Poisonstrike), Armor (Poisonproof)

Attacks

1) Fin Bash

FFX Sin's Left Fin Boss Guide

Rams the entire party to deal physical damage. Can only be performed when the party is close to Sin’s Left Fin.

2) Gravija

Reduces the HP of all targets by 75%. Charges the attack before use.

3) Negation

FFX Sin's Left Fin Boss Guide

Removes all positive and negative status effects, except Auto-Life, Curse, Death, and Doom on all targets.

Strategy

How to Defeat

Cast Hastega on the party to gain the speed advantage. You can mitigate damage from Gravija by having Yuna cast Shell, though the boss is likely to Dispel it afterward with Negation.

For offense, Lulu can bombard Sin’s Left Fin by doublecasting Flare or Ultima. Holy also deals a significant amount of damage. To attack it physically, maneuver the ship closer to the boss. Use Auron’s Armor Break on Sin’s Left Fin before Tidus or Kimahri attack.

Aeon’s are also effective against Sin’s Left Fin to easily burst down the boss, though you will want to save their Overdrives for the fight against Overdrive Sin. Keep reapplying Hastega to get in as much damage as you can before the boss gets its turn.

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