History GoodBadBugs / FinalFantasy

** You could duplicate anything that could be equipped on the left or right hand through an equip glitch, even items that could only be obtained once. This was incredibly handy for dual-wield characters, and gave Edge many more weapons to throw (multiple copies of the Excalibur sword, for example). You could also sell the more valuable dupes for tons of GP, turn around and stock up on other items in shops, which was especially useful when trying to purchase high-priced items like Ethers and Elixirs. It was also possible to equip a shield on Rosa and Rydia, substantially increasing their staying power, since they wouldn't otherwise be able to do that. This only works with the SNES and UsefulNotes/PlayStation versions though; the GBA port or DS remake fixed this.

** Ipsen's Castle screws with the normal battle mechanics so that the stronger your weapon, the weaker your physical attacks are. To get the most mileage out of your physical attacks, you need to go back and re-equip your weaker starting weapons. Unfortunately, since your characters learn most of their special attacks from their weapons, this will cramp the ability of your fighting characters to learn many abilities...until you realize that the changes Ipsen's Castle makes to the battle mechanics ''only affect the Fight command.'' Special attacks aren't affected at all, not even physical ones, so you can freely use attacks like Zidane's Thievery, Freya's Jump and Lancer, Steiner's Darkside, and Amarant's No Mercy and Throw attacks to full effect while still learning new abilities from your weapons.

** Although not really a bug, but equally silly looking, casting a summon causes dead characters on the field to ''get up and run away.'' When the summon finishes or dies, the characters run back onto the field and promptly pass out.

** The creators accidentally made a four-square peninsula on the world map belong to the wrong monster area, making the enemies there be much more powerful than the ones normally fought at that point in the game. The area is known to ''Final Fantasy'' fans as the "[[PeninsulaOfPowerLeveling Peninsula of Power]]." It proved so popular that, despite being a glitch, [[AscendedGlitch it stayed in all subsequent remakes of the game for years ]], and inspired similar high-powered monster hideaways in subsequent ''Final Fantasy'' installments. The Pixel Remaster remake finally patched out this exploit.

** The Evasion stat never actually gets used for physical attacks, like it's supposed to. Instead, evasion for ''everything'' in the game is ruled by the M-Block statistic, and it is possible to max out this stat, making the character NighInvulnerable. This has an interesting consequence for the game's "Dark" status, which blinds a character; it effectively raises the enemy's Evasion when that character attacks. This has no effect whatsoever, due to the bug! There's also an item called "Goggles," whose only effect is to prevent the "Dark" status, so of course, the GogglesDoNothing. The Dark status effect does have one negative effect: it prevents Strago from learning any Lore spells while he has it. All of this is fixed in the Game Boy Advance remake.
** The Psycho Cyan glitch causes Cyan to launch physical attacks non-stop--not allowing anyone else to move--until all enemies are dead. It's a bit of a pain to set up, but is plenty entertaining if successful and a huge help to players attempting {{Low Level Run}}s. [[https://www.youtube.com/watch?v=jAi8f9e6Rn0 Here's a demonstration.]] The GBA and Playstation ports fixed this glitch, but dedicated players found a new way to trigger the effect.

* There is a ''major'' SequenceBreaking glitch in the game where, if you save early in the game, play until the Floating Continent without saving, hop back on the airship from the Floating Continent, go back to the Continent, and die, you'll wake up right at the beginning of the game with your airship. This allows you to skip everything between leaving Narshe and finding the unconscious Terra in Zozo, while having a party consisting of Locke and Terra. Various applications of this glitch allow you to turn Relm and Strago into Ghosts and have them one-shot the final boss with Possess, or add General Leo or Maduin to your party, or take Banon to the World of Ruin, and then turn the World of Ruin back into a glitchy version of the World of Balance with [=WoR=] towns through triggering Kefka's invasion of Figaro... Or you can have Banon sing at the opera, causing his sprite to glitch out explosively. This glitch went undiscovered for over ten years before anyone caught it, but [[UnintentionallyUnwinnable considering what has to be done to trigger it]], it's no wonder it wasn't caught.

** Rather early in the game (before the second dungeon or so), you find one Elixir. What you're supposed to do with it is give it to a sick NPC in the town you find it in, and you get a rather impressive stash of treasure for giving it up. You won't find another for at least three more dungeons, and even then, there are only 20 guaranteed in the game. It completely ruins any game difficulty, as that one elixir will last you for a long, long time.

** Vincent's final weapon increases in power the more enemies Vincent kills, up to a {{cap}}. However, if you kill a ridiculous number of enemies (around 65535) with him, the damage formula for the weapon overflows, which triggers a failsafe script that forces any target hit by the weapon to die instantly. Yes, even [[BonusBoss Emerald Weapon and Ruby Weapon]].

** The Psycho Cyan glitch causes Cyan to launch physical attacks non-stop--not allowing anyone else to move--until all enemies are dead. It's a bit of a pain to set up, but is plenty entertaining if successful and a huge help to players attempting {{Low Level Run}}s. [[https://www.youtube.com/watch?v=vt9YmtT5PC0 Here's a demonstration.]] The GBA and Playstation ports fixed this glitch, but dedicated players found a new way to trigger the effect.

** The original Famicom version had a bug involving the Wall spell, which blocked magic up to a level equal to the number of "hits" the spell lands. Though Wall is supposed to automatically nullify spells, it still plays the animation—and for instant-death spells such as [[BalefulPolymorph Toad]], the animation includes removing the enemy from battle. This can allow you to kill anything in the game, [[http://lparchive.org/Final-Fantasy-II/Update%2017/31-ff_post17_anim1.gif up to the final boss, with a Level 1 spell.]]

** Putting Sylph in the upper-right corner of Rydia's summon menu will, for some reason, make it not use MP. You still need enough MP to be able to cast it, but your MP won't drain after casting it. This was only present in the SNES version of the game, but the Wii version has a variant where putting Rydia in the bottom-most party member slot would make the spell free to cast instead.

** The Rippler spell, one of Strago's possible Lores, allows the user to trade status effects with the target. Normally, one would assume this means the status ailments and {{status buff}}s; however, it also includes things such as Gau's Rage, Mog's Dance, and Shadow's dog. With some Rippler maneuvering, Interceptor can be set (permanently) to guard whatever character the player decides needs the protection, instead of guarding Shadow. However, if an enemy uses Rippler on Shadow and the enemy dies, Interceptor goes with it and the dog is lost forever. Oops!
** Every enemy in the game has a hidden "weight" stat, which makes them immune to certain moves, like Sabin's Meteor Strike suplex. However, the programmers accidentally forgot to make the Phantom Train boss have the proper weight statistic, allowing Meteor Strike to work on it. Sabin being able to [[https://www.youtube.com/watch?v=2u84cH_bmTA suplex an entire train]] into the air and slam it back on its rails made Sabin a MemeticBadass among ''Final Fantasy'' fans. While a lot of other bugs were fixed in remakes, [[AscendedGlitch this one's been kept in]], because it's a once-per-playthrough experience that was too much fun to correct.
** Wind God Gau. Ordinarily, Gau isn't supposed to be able to equip weapons, but in the original SNES version, he can equip the Merit Award, which allows any character to equip any weapons and armor. In this case, give Gau one of Cyan's swords, the Kazekiri (Tempest), which randomly casts Wind Slash half the time. Then give Gau the Master's Scroll (Offering) relic, which allows him to attack four times, and use the Stray Cat Rage. If you're lucky, Gau will attack four times at quadruple damage and use the Razor Wind after each strike, which also got the "quad damage" boost. This effectively let Gau sweep everything on the field at no cost, since there were very few enemies that were resistant or immune to Wind damage. Later releases removed Gau's ability to equip the Merit Award, then removed Gogo's ability to equip the Merit Award when players did the Wind God setup with him instead.
** General Kutan. There are some shortcomings in the way ''Final Fantasy VI'' determines if the player character has collided with an immovable object that, with a bit of finesse, makes it possible to walk right through certain barriers. Exploiting this in Locke's scenario allows the player to completely bypass getting Celes. The scripted battle that ends Locke's scenario requires that he has a partner, however, and the game picks Kutan -- one of the generic moogles from the three-party battle early in the game. Amusing as it is to have the part of Celes played by a moogle, Kutan's stats outright suck, and the cute fuzzy general quickly becomes a liability, especially at the beginning of the World of Ruin, where he's the only character you can have in your party for a substantial amount of time.
** There is a ''major'' SequenceBreaking glitch in the game where, if you save early in the game, play until the Floating Continent without saving, hop back on the airship from the Floating Continent, go back to the Continent, and die, you'll wake up right at the beginning of the game with your airship. This allows you to skip everything between leaving Narshe and finding the unconscious Terra in Zozo, while having a party consisting of Locke and Terra. Various applications of this glitch allow you to turn Relm and Strago into Ghosts and have them one-shot the final boss with Possess, or add General Leo or Maduin to your party, or take Banon to the World of Ruin, and then turn the World of Ruin back into a glitchy version of the World of Balance with [=WoR=] towns through triggering Kefka's invasion of Figaro... Or you can have Banon sing at the opera, causing his sprite to glitch out explosively. This glitch went undiscovered for over ten years before anyone caught it, but [[UnintentionallyUnwinnable considering what has to be done to trigger it]], it's no wonder it wasn't caught.
** Locke's Mug ability allows him to both attack and [[VideoGameStealing Steal]] at the same time. Mug has a glitch to it in that none of the special traits of Locke's weapons will apply when he Mugs a monster. This can be bad (e.g., the Valiant Knife loses its defense-piercing ability) but it can also be good (instant-death weapons won't automatically revive undead creatures, allowing Locke to attack them with these weapons, and weapons like the Blood Sword and the Soul Sabre can be used as normal weapons without their limits).

* ''VideoGame/FinalFantasyVI'':
** Relm Sketch Glitch: Using Relm's sketch command under certain conditions might erase your game... or it could max your hitpoints to 9999, fill your inventory with secret items, and turn Edgar into General Leo, who was supposed to be a GuestStarPartyMember usable in only one battle. While the glitch is potentially dangerous, the conditions to trigger a given result are also predictable enough to be safely exploited if you know what you're doing. Later releases of the game fixed this glitch.

** Vanish/Doom: Casting Vanish on anything will give the Clear status, which makes physical attacks always miss in exchange for making magical attacks always hit (which it's supposed to do). But this means that [[UselessUsefulSpell instant death spells]] [[GameBreaker will always hit]], even against bosses that have ContractualBossImmunity to instant death.[[note]]This is because the coding that says "If target has Clear status, and attack is magic-based, attack hits" was accidentally programmed to take priority over "If target is immune to instant death, and attack causes ID, attack misses".[[/note]] The only monsters that can't be killed in two spells are the ones immune to the Clear status (of which there are few, because Clear is a positive status ailment) and undead enemies (since they're already dead, though X-Zone/Banish still works on them). This was fixed in the Game Boy Advance remake, though it still works on monsters not normally immune to instant death, but that's to be expected and far less game-breaking.
** The original Japanese version also included a glitch that let you equip absolutely ''anything'' as a helmet. The best helmet in the game? A drill. Eventually Square-Enix realized this, as it got referenced in [[VideoGame/DissidiaFinalFantasy Dissidia]] with the "Machine" armor set!
** When Setzer tells Celes she looks stunning, she blushes. However, Edgar and Sabin share the same colour palette, and blush too. [[EvenTheGuysWantHim It's cute]].
** A couple of nifty Slot glitches: Strago can learn L5 Doom from 7-7-7 Joker Doom, and, by muddling and unmuddling Setzer, 7-7-Bar Joker Doom, ordinarily a TotalPartyKill, can be reversed onto enemies (including ones which outright prevent a 7-7-7 Joker Doom, such as the very final boss). 7-7-BAR and 7-7-7 Joker Dooms are the same spell, but with a different aiming byte - so if you have Gogo Jump out of the way of 7-7-BAR, then Mimic it, nothing happens... at first, as the game knows your party ought to be dead. But if you then Mimic the Mimic, Gogo will successfully cast 7-7-BAR Joker Doom on the opponent, which doesn't check if the opponent is immune to the move or not.
** The Rippler spell, one of Strago's possible Lores, allows the user to trade status effects with the target. Normally, one would assume this means the status ailments and [[StatusBuff Status Buffs]]; however, it also includes things such as Gau's Rage, Mog's Dance, and Shadow's dog. With some Rippler maneuvering, Interceptor can be set (permanently) to guard whatever character the player decides needs the protection, instead of guarding Shadow. However, if an enemy uses Rippler on Shadow and the enemy dies, Interceptor goes with it and the dog is [[PermanentlyMissableContent lost]]. Oops!
** Every enemy in the game has a hidden "weight" stat, which makes them immune to certain moves, like Sabin's Suplex attack. However, the programmers accidentally forgot to make the Phantom Train boss have the proper weight statistic, allowing Suplex to work on it. Sabin being able to [[https://www.youtube.com/watch?v=2u84cH_bmTA suplex an entire train]] into the air and slam it back on its rails made Sabin a MemeticBadass among ''Final Fantasy'' fans. While a lot of other bugs were fixed in remakes, [[AscendedGlitch this one's been kept in]], because it's a once-per-playthrough experience that was too much fun to correct.
** Wind God Gau. Ordinarily, Gau isn't supposed to be able to equip weapons, but in the original SNES version, he could equip the Merit Award, which allows any character to equip any weapons and armor. In this case, give Gau one of Cyan's swords, the Kazekiri (Tempest), which randomly casts Wind Slash half the time. Then give Gau the Master's Scroll (Offering) relic, which allows him to attack four times, and use the Stray Cat Rage. If you're lucky, Gau will attack four times at quadruple damage and use the Razor Wind after each strike, which also got the "quad damage" boost. This effectively let Gau sweep everything on the field at no cost, since there were very few enemies that were resistant or immune to Wind damage. Later releases removed Gau's ability to equip the Merit Award, then removed Gogo's ability to equip the Merit Award when players did the Wind God setup with him instead.

* An oversight in how the Pixel Remaster remake handles the Brave Blade/Chicken Knife choice[[labelnote:Explanation]]Saving after you enter the clearing where they appear, returning to the title screen from the menu, and reloading your save places you on the regular Moore map with the events and NPC from the choice event still loaded. If you take a weapon and "leave", you can walk south again to reenter the clearing and restart the event, since the flag to prevent it from repeating isn't set until you leave the clearing map--and as far as the game is concerned, you were still in Moore when you made your choice.[[/labelnote]] lets you get both weapons in one playthrough, or even multiple copies of the same weapon. The Chicken Knife has the potential to be the strongest weapon in the game hands-down, so abusing this glitch to get two and then slapping them on your strongest party member [[GameBreaker will let you steamroll the last few dungeons]].

* An oversight in how the Pixel Remaster remake handles the Brave Blade/Chicken Knife choice[[labelnote:Explanation]]Saving after you enter the clearing where they appear, returning to the title screen from the menu, and reloading your save places you on the regular Moore map with the events and NPC from the choice event still loaded. If you take a weapon and "leave", you can walk south again to reenter the clearing and restart the event, since the flag to prevent it from repeating isn't set until you leave the clearing map--and as far as the game is concerned, you were still in Moore when you made your choice.[[/labelnote]] lets you get both weapons in one playthrough, or even multiple copies of the same weapon. The Chicken Knife especially has the potential to be one of the strongest weapons in the game, so abusing this glitch to get two and then slapping them on your strongest party member [[GameBreaker will let you steamroll the last few dungeons]].

* ''VideoGame/FinalFantasyV'':
** A surprising number of "boss" encounters (i.e. the boss-battle music plays) are not, in fact, considered such by the game, and the enemy lacks the usual immunities to status ailments and instant death attacks.
** And then none of the bosses (including the ones with the right flags) are immune to the Blue Magic ability Level 5 Death. Chemists can boost levels through their !Mix ability and Blue Mages can also inflict the Old status, which gives persistent level drain, on enemies.
** Chemists in general are the secret to Huge Power in this game. Drink yourself levels, speed, elemental immunities, or use some of the more esoteric !Mix results to skip boss scripts, such as Exdeath's transformation into Neo-Exdeath.
** Cannoneers can similarly skip scripts with their !Combine ability.
** The Super Famicom version has several underflow errors that can be taken advantage of: equipping the thornlet (which drops magic power) on a berserker (the lowest magic attack of all classes) will cause everyone save Lenna to be able to take advantage of several damage formulas that are otherwise unimpressive. Additionally, using Ninja's to throw an "empty" item in the last slot of the inventory and then stealing a Coral Sword will cause that slot to fill up with 255 of the swords, which then can be sold for great profit.
** By combining the Steal and Throw commands with the 2-Handed ability and some inventory management, one could roll the item counter from 0 to 255, gaining scores of items. Furthermore, because the shops aren't programmed to handle quantities higher than 99, you can sell your newly stolen items one at a time and never run out, yielding infinite cash as well.
** In the Japanese and American ''Advance'' versions, reloading a save (normal or quicksave) causes the second battle in any area to be the rarest encounter in that area. This makes it useful for filling out the bestiary, but also makes Movers a much more reliable enemy to grind against in the final dungeon to max out all the job classes.

* ''VideoGame/FinalFantasyVII'', due to a [[https://www.youtube.com/watch?v=5xOckntFBvA convoluted development process]] reflecting Square's biggest game project at that time[[note]]Essentially, the game was built out of a series of modules based on battle, world movement, menus and dialogue sequences]], made the game have numerous quirks and strange consequences when certain strategies were implemented. The game's buggy nature led to it becoming a prime candidate for speedruns:

* ''VideoGame/FinalFantasyVII'', due to a [[https://www.youtube.com/watch?v=5xOckntFBvA convoluted development process]] reflecting Square's biggest game project at that time[[note:Essentially, the game was built out of a series of modules based on battle, world movement, menus and dialogue sequences]], made the game have numerous quirks and strange consequences when certain strategies were implemented. The game's buggy nature led to it becoming a prime candidate for speedruns:

** In ''FFI'', damage is damage. Even in the remakes. As such, it's actually possible to block the poison running through a Fighter's veins by holding a shield in front of him. It makes no sense... The down-side to this bug is that Healing was considered "negative damage", and as such was still a form of damage, which means you could ''block that as well''! Luckily, this has been fixed for the remakes, leaving only the "block poison running through your veins" part in the game.

* ''VideoGame/FinalFantasyVII'':

* In ''VideoGame/FinalFantasyXV'':
** Throughout the game, party member and photographer Prompto will automatically snap pictures of your party members as you play, allowing for fun things to post on your real-life social media feed. Sometimes, though, the photography AI glitches out and creates photographs taken from impossible angles (like a selfie positioned beneath the soles of Prompto's feet), with surreal lens distortions, or just incomprehensible glitchy messes. This seems to particularly be a problem in dark dungeons, where the dynamic lighting tends to interfere with the code, resulting in nightmare-inducing selfies where Prompto is completely black except for a brilliant white reflection off his grin.
** Sometimes the lighting engine glitches out and causes objects to glow for no reason, including [[http://res.cloudinary.com/lmn/image/upload/e_sharpen:150,f_auto,fl_lossy,q_80/v1/gameskinnyc/m/a/x/maxresdefault-100cf.jpg Noctis's hair]].
** The game seems to have trouble figuring out if guest party member and EnsembleDarkhorse Aranea Highwind is a party member or not. Some players have noticed that in NewGamePlus games, she will appear photobombing Prompto's pics even if she's not a member of the party. She also seems to appear as a permanent party member in NewGamePlus, interacting with the boys as if she was always meant to be there in normal gameplay (although she is immortal, and in cutscenes she just stands about with nothing to do while the boys walk through her).
*** This has since been patched out, but not the opportunity to use the same glitch to get Cor to join the party, although he's glitchier than Aranea, with fewer interactions with other characters and no campfire animations. At least one player was even able to get [[http://sheastandefer.tumblr.com/post/159919290109/so-i-was-playing-the-episode-gladio-dlc-the-other two Cors]] in their party.
** The AI party members have a tendency to stand on the tops of each other's heads, and get stuck there sometimes. This happens even when they're on Chocobos.
** It's possible to call a Chocobo right before entering certain dungeons, then warping into the Chocobo-free zone, making your Chocobo spawn inside a zone where it could not normally appear. Doing this can trigger other silly effects, such as party members becoming invisible and being able to easily kill Zur.
** A common glitch where Ignis would occasionally start T-posing on top of his chocobo instead of riding it was considered funny enough to get a reference in the official manga.
** A very common glitch in the Royal Edition of the game is that, in Chapter 14, Noctis and the gang will [[spoiler:revert to their younger selves, including an Ignis with perfectly healthy eyes, despite wearing the Royal Raiment and Kingsguard outfits. Then, if you use Umbra to travel to the past, the ''older'' versions will show up in the open world instead of the younger ones. If you try to enter the Final Boss battle like as the Chocobros' younger selves, the game will glitch out and toss you inside a sealed shelter to force you to Umbra yourself back to adulthood, but it otherwise allows you to use the character models you like best throughout all most of Chapter 14, including cutscenes]].

** The ReviveKillsZombie principle still works here, but with some strange quirks. [[HolyBurnsEvil Cure magic deals damage to undead enemies]] as expected, but it also works on one enemy no one would expect: [[spoiler:the Dark King...but only when Benjamin uses the spell.]] The Life spell, normally a OneHitKill against the undead, does absolutely nothing against them. It ''does'', however, allow you to one-shot every ''other'' non-boss enemy that isn't immune to the "fatal"/"death" status effect.

** There is a ''major'' SequenceBreaking glitch in the game where, if you save early in the game, play until the Floating Continent without saving, hop back on the airship from the Floating Continent, go back to the Continent, and die, you'll wake up right at the beginning of the game with your airship. This allows you to skip everything between leaving Narshe and finding the unconscious Terra in Zozo, while having a party consisting of Locke and Terra. Various applications of this glitch allow you to turn Relm and Strago into Ghosts and have them one-shot the final boss with Possess, or add General Leo or Maduin to your party, or take Banon to the World of Ruin, and then turn the World of Ruin back into a glitchy version of the World of Balance with [=WoR=] towns through triggering Kefka's invasion of Figaro... Or you can have Banon sing at the opera, causing his sprite to glitch out explosively. This glitch went undiscovered for over ten years before anyone caught it, but [[UnwinnableByInsanity considering what has to be done to trigger it]], it's no wonder it wasn't caught.

** The creators accidentally made a four-square peninsula on the world map belong to the wrong monster area, making the enemies there be much more powerful than the ones normally fought at that point in the game. The area is known to ''Final Fantasy'' fans as the "[[PeninsulaOfPowerLeveling Peninsula of Power]]." It proved so popular that, despite being a glitch, [[AscendedGlitch it has stayed in all subsequent remakes of the game]], and inspired similar high-powered monster hideaways in subsequent ''Final Fantasy'' installments.

** Wind God Gau. Ordinarily, Gau isn't supposed to be able to equip weapons, but in the original SNES version, he could equip the Merit Award, which allows any character to equip any weapons and armor. In this case, give Gau one of Cyan's swords, the Kazekiri (Tempest), which randomly casts Wind Slash 50% of the time. Then give Gau the Master's Scroll (Offering) relic, which allows him to attack four times, and use the Stray Cat Rage and hope he uses Cat Scratch, which does quadruple damage. If you're lucky, Gau will attack four times at quadruple damage and use the Razor Wind after each strike, which also got the "quad damage" boost. This effectively let Gau sweep everything on the field at no cost, since there were very few enemies that were resistant to Wind damage, and even fewer that were immune to it. Later releases of the game remove Gau's ability to equip the Merit Award.

** The evade stat never actually gets used for physical attacks, like it's supposed to. Instead, evasion for ''everything'' in the game is ruled by the M-Block statistic, and it is possible to max out this stat, making the character NighInvulnerable. This has an interesting consequence for the game's "Dark" status, which blinds a character; it effectively raises the enemy's Evade when that character attacks. This has no effect whatsoever, due to the bug! There's also an item called "Goggles," whose only effect is to prevent the "Dark" status, so of course, the GogglesDoNothing. The Dark status effect does have one negative effect: it prevents Strago from learning any Lore spells while he has it. All of this is fixed in the Game Boy Advance remake.

** Vanish/Doom: Casting Vanish on anything will give the Clear status, which makes physical attacks always miss in exchange for making magical attacks always hit (which it's supposed to do). But this means that [[UselessUsefulSpell instant death spells]] [[GameBreaker will always hit]]. Even against bosses that have ContractualBossImmunity to instant death.[[note]]This is because the coding that says "If target is under Clear status, and attack is magic-based, attack hits" takes priority over "If target is immune to instant death, and attack causes ID, attack misses".[[/note]] The only monsters that can't be killed in two spells are the ones immune to Vanish (of which there are few, because Vanish is supposed to be a ''positive'' status ailment) and undead enemies (since Doom ''heals'' them; they're already dead after all). In the case of undead, though, you can just cast X-Zone instead; since it tosses them into another dimension rather than killing them, already being dead provides no protection. This only applies to instant death spells (and revival spells, which are usually not worth the effort), and fixed in the Game Boy Advance remake. The Vanish/Doom combo still works on monsters NOT normally immune to instant death, but that's to be expected and far less game-breaking.

** Every enemy in the game has a hidden "weight" stat, which makes them immune to certain moves, like Sabin's Suplex attack. However, the programmers accidentally forgot to make the Phantom Train boss have the proper weight statistic, allowing Suplex to work on it. Sabin being able to [[https://www.youtube.com/watch?v=2u84cH_bmTA suplex an entire train]] into the air and slam it back on its rails made Sabin a MemeticBadass among ''Final Fantasy'' fans. While a lot of other bugs have since been fixed, [[AscendedGlitch this one's been kept in all remakes of the game]], because it's a once-per-playthrough experience that was too much fun to correct.