This table is in game order (with optional bosses listed at the earliest possible times you can access them) using the GBA names, with SNES names in [brackets] when names significantly differ.

 

BOSS NAME Not Heavy Death Stone Toad Mini Poison Blind Old Sleep Paralyze Confuse Berserk Mute Stop Slow
Wing Raptor   X       X X X X X X X X X X
 
Karlabos                           X X
 
Siren (Human)   X X     X X X   X X X   X X
Siren (Undead)   X* X       X               X
 *Not useful for Undead form, Life/Phoenix Down checks for Heavy flag instead.
Magissa X         X X           X X X
---Forza---           X X X X X X X X X X
 Forza arrives after Magisa takes enough damage, possible to skip Forza outright.
Garula X X X X   X X X   X X X X X X
 
BOSS NAME Not Heavy Death Stone Toad Mini Poison Blind Old Sleep Paralyze Confuse Berserk Mute Stop Slow
Shiva           X X               X
---Ice Commander--- X X X X   X X X X X X X X X X
 
Liquid Flame (Hand)   X                 X        
Liquid Flame (Human, Tornado) X X                 X        
 Form changes after taking damage.
Iron Claw X X X X X X X X X X X X X X X
---Sergeant--- X X X     X X X X X X X X X X
---Cur Nakk--- X X X X   X X X X X X X X X X
 
BOSS NAME Not Heavy Death Stone Toad Mini Poison Blind Old Sleep Paralyze Confuse Berserk Mute Stop Slow
Ifrit   X X     X X X   X X X X X X
 
Byblos X         X X     X   X     X
 
Ramuh X X     X   X         X   X X
 
Sandworm                             X
 
BOSS NAME Not Heavy Death Stone Toad Mini Poison Blind Old Sleep Paralyze Confuse Berserk Mute Stop Slow
CrayClaw   X X     X X X X X X X X X X
 
Adamantoise X X       X X X       X X   X
 
Soul Cannon                             X
---Launcher---                           X X
 
Archeoaevis (Forms 1,3,5)             X               X
Archeoaevis (Forms 2,4) X           X               X
Each form changes after you "kill" the last form. Form 5 triggers the Tycoon dialogue.
BOSS NAME Not Heavy Death Stone Toad Mini Poison Blind Old Sleep Paralyze Confuse Berserk Mute Stop Slow
Purobolos X X X     X X X X     X X X X
 
Titan                   X       X X
 
Manticore [Chim. Brain] X X X     X X X       X X X X
                
BOSS NAME Not Heavy Death Stone Toad Mini Poison Blind Old Sleep Paralyze Confuse Berserk Mute Stop Slow
Gilgamesh 1 (Exdeath Basement) X X     X   X X       X X X X
 
Gilgamesh 2 (Big Bridge)             X X       X X*   X
 *Only applicable in SNES and PS1 versions. GBA and Mobile/Steam versions remove this weakness.
Tyrannosaur X X*         X X       X     X
*Undead, so use Life magic or Phoenix Down instead.
Abductor X X X       X X X   X X X X X
 
Dragon Pod [HiryuuPlant] X X         X X       X   X X
---Dragon Flower--- X X X X X X X X X X X X X X X
 
BOSS NAME Not Heavy Death Stone Toad Mini Poison Blind Old Sleep Paralyze Confuse Berserk Mute Stop Slow
Gilgamesh 3 (Ship)   X         X X       X X   X
---Enkidu--- X X         X X       X X   X
 
Atomos                 X            
 
Catoblepas [Shoat]           X               X  
 
Crystal [Seal Guardian] X X         X               X
 
BOSS NAME Not Heavy Death Stone Toad Mini Poison Blind Old Sleep Paralyze Confuse Berserk Mute Stop Slow
Gilgame [Gil Turtle]                             X
 
Carbuncle (Form 1)             X           X   X
Carbuncle (Form 2) X   X X X X X X X X X   X X X
Form 2 triggers after three spells of Form 1. It casts Cure 2 in this form.
Gilgamesh 4 (Exdeath Castle)                             X
 
Exdeath (World 2)                             X*
*Counters Slow with Haste, so avoid unless using Wall shenanigans.
BOSS NAME Not Heavy Death Stone Toad Mini Poison Blind Old Sleep Paralyze Confuse Berserk Mute Stop Slow
Antlion             X X X     X X   X
 
Gargoyle   X X     X X X X X   X X X X
 
Melusine [Merugene]             X   X X X   X X X
 
Odin     X       X X X X   X X X X
 
Bahamut             X           X X X
 
BOSS NAME Not Heavy Death Stone Toad Mini Poison Blind Old Sleep Paralyze Confuse Berserk Mute Stop Slow
Wendigo [Stalker]             X   X           X
 
Minotauros                              
 
Omniscient             X X   X   X X X X
 
BOSS NAME Not Heavy Death Stone Toad Mini Poison Blind Old Sleep Paralyze Confuse Berserk Mute Stop Slow
Gogo                         X   X
 
Triton / Phobos / Nereid X X* X     X X X X X X   X X  
*Undead, so use Life magic or Phoenix Down instead.
Leviathan             X           X   X
 
BOSS NAME Not Heavy Death Stone Toad Mini Poison Blind Old Sleep Paralyze Confuse Berserk Mute Stop Slow
Calofisteri           X X X         X   X
 
Omega                           X X
 
Apanda             X         X X   X
 
BOSS NAME Not Heavy Death Stone Toad Mini Poison Blind Old Sleep Paralyze Confuse Berserk Mute Stop Slow
Azulmagia [Apocalypse]             X                
 
Catastrophe             X X   X         X
 
Halicarnassus         X   X X         X   X
 
Twintania (Form 1)             X           X   X
Twintania (Form 2) X X X X     X           X X X
Form 2 appears when Twintania is charging up for Giga Flare 
BOSS NAME Not Heavy Death Stone Toad Mini Poison Blind Old Sleep Paralyze Confuse Berserk Mute Stop Slow
Gilgamesh 5 (Void)                             X
 
Shinryu             X         X X   X
 
Necrophobe             X           X   X
---Barrier---   X X                   X X X
 
BOSS NAME Not Heavy Death Stone Toad Mini Poison Blind Old Sleep Paralyze Confuse Berserk Mute Stop Slow
Exdeath (World 3)                             X
 
Neo Exdeath (Magic) [Bottom-Left] X         X X           X X X
Neo Exdeath (Grand Cross) [Top-Left]             X     X       X  
Neo Exdeath (Almagest) [Bottom-Right]     X       X X         X X  
Neo Exdeath (Physical) [Top-Right]             X           X X X