Summary
- Knowing boss weaknesses makes many Final Fantasy battles easier, like exploiting Ifrit’s ice weakness.
- Healing items are key in exploiting the weakness of undead bosses like Gi Nattak.
- Rubicante’s ice weakness can help players overcome this foe battle.
Final Fantasy is a series full to the brim with many powerful bosses that can tear players apart if they’re not careful. However, those who slowly become more familiar with these JRPGs and their recurring mechanics will eventually learn how to game the system and read enemies.

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This makes some boss fights easier once their weaknesses are apparent from the very moment players look at them. It can feel great to call upon the knowledge that one has of this series in order to overpower enemies who can be pretty tricky otherwise.
8
Phantom Train
A Ghost Train That Can Be Taken Out With Restoratives
- Notable Fights: Final Fantasy 6
One of the most memorable bosses in the Final Fantasy series is the Phantom Train from the sixth mainline entry. This train ferrying the souls of the dead serves as a dungeon that the party must traverse until they reach the engine, following which players will partake in a memorable battle where they run along the tracks while attempting to defeat this unusual foe.
Aside from suplexing the train to recreate one of the most popular Final Fantasy memes, players who notice this train’s status as a ghost can exploit its weakness with ease. Since healing damages the Phantom Train, the use of a Phoenix Down will be enough to trivialize this boss and take it out with very little effort.
7
Ifrit
A Fiery Demon Who Can Be Taken Out With Ice Magic
- Notable Fights: Final Fantasy 6, Final Fantasy 8, Final Fantasy 15
Despite being a summon that helps the player out more often than not, Ifrit is guilty of fighting the heroes numerous times in most Final Fantasy games. The most memorable one of the lot is arguably at the start of Final Fantasy 8, when players encounter this Guardian Force in the cave system near Balamb Garden and must take him out to acquire his services.
The fact that players are told to use Shiva in this fight makes it clear that ice damage will wreck this fiery boss. This is a weakness that is quite obvious and usually comes to a player’s aid whenever they must fight Ifrit in any Final Fantasy game.
6
Gi Nattak
The Ghost Leader Of A Clan, Whose Status As An Undead Can Be Exploited
- Notable Fights: Final Fantasy 7
Near Cosmo Canyon, players will explore a cave system that is home to several undead enemies. The final boss of this cave is Gi Nattak, a ghost who represents the leader of a now-extinct clan.

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Since this boss is clearly an undead foe, players can waste no time in using healing items and restorative spells to bring it down. A Phoenix Down can completely trivialize what could be a challenging encounter and turn Gi Nattak’s boss fight into a joke.
5
Famed Mimic Gogo
A Mimic That Can Be Stopped In Their Tracks With Inaction
- Notable Fights: Final Fantasy 5
Final Fantasy 5 features a notable secret boss fight against the Famed Mimic Gogo. This battle is unique since this foe mimics the actions of players and only attacks after the heroes take a turn.
A regular approach to this boss fight makes the fight downright unwinnable, but most will realize what the game is trying to tell them rather quickly. All the player has to do is stand still and run the clock until Gogo commends them for their ingenuity and rewards them with the secret Mimic job.
4
Rubicante
The Master Of Fire Is Bound To Be Weak To Ice
- Notable Fights: Final Fantasy 4, Final Fantasy 14
Out of the Four Fiends from Final Fantasy 4, Rubicante is the most honorable one of the lot. He acknowledges the player’s strengths and takes them on in a fair battle where he refuses to pull the wool over his opponents’ eyes, unlike his other compatriots.
The battle against this master of fire can be pretty challenging, but players can use his obvious weakness to ice to make things easier for themselves. Still, the battle will be a major challenge, and helping the characters build up a resistance to fire is recommended before jumping into this boss fight.
3
Lich
An Iconic Undead Enemy That Is Weak To Fire And Holy Damage
- Notable Fights: Final Fantasy
In the original Final Fantasy, the ingenious solution of curing enemies to hurt them hadn’t been thought of. However, Lich’s weaknesses should be pretty obvious to those who have reached this point in the game.

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As one would expect, Holy spells can hit for serious damage when aimed at this foe. Fire is also effective against the undead, which is something that players will discover long before they fight this member of the Four Fiends.
2
Air Buster
A Machine That Will Obviously Be Weak To Bolt Damage
- Notable Fights: Final Fantasy 7, Final Fantasy 7 Remake
Air Buster is the second mechanical boss in a row after the Guard Scorpion at the start of the game. Barret makes it clear that these machines are weak to electricity, which is why players will know how to deal with the Air Buster the moment they are given the chance to attack.
Drawing aggro and using electricity to hit its weakness will make the Air Buster a relatively manageable fight. As long as players heal regularly, they should be able to shock this enemy over and over again until it’s defeated.
1
Shiva
An Iconic Summon Who Uses Ice And Is Weak To Fire
- Notable Fights: Final Fantasy 6, Final Fantasy 7 Remake, Final Fantasy 10
While Shiva is one of the more cooperative summons in Final Fantasy, players still have to take her on in battle numerous times in the series. Her tag-teaming with Ifrit in Final Fantasy 6 is one such encounter where players must use fire to target her obvious weaknesses.
This is also the case in other Final Fantasy games, like Final Fantasy 7 Remake and Final Fantasy 10. With Shiva boasting such a predictable weakness, it would be quite unlikely for fans of Final Fantasy not to try and exploit it even without being explicitly told to do so.

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