The reason I've combined Boss cards and Monster Locations is to provide conveinence to card collectors and to people finding the monsters to get the items needed to upgrade character weapons. All cards below Level 8 (besides PuPu) can be gotten by winning them, or turning
an enemy into a card. For bosses, turning certain regular enemies into cards will
get you a boss card.
Abyss Worm: Kashkabald Desert (Centra area)
Adel: Boss, Lunatic Pandora (Disc 3)
Anacondaur: Roshfell Forest (north of Timber),
Deep Sea Research Center (before fighting Bahamut)
Armadodo: Tomb Of The Unknown King, Centra Ruins
Bahamut: Optional boss, Deep Sea Research Center
Base Leader: Boss, Missile Base (Disc 2)
Base Soldier: Bosses, Missile Base (Disc 2)
Behemoth: Great Esthar Plains (after moon mission) (rare),
Deep Sea Research Center, Lunatic Pandora as Squall
Belhemel: Galbadia Garden Area
BGH251F2: Boss, Missile Base (Disc 2) and again in FH.
Biggs: Boss, Dollet Communication Tower (Disc 1) and Desert Prison (Disc 2)
Bite Bug: Balamb Area, Winhill as Laguna, Trabia Area,
Trabia Canyon as Laguna, Esthar City (before moon mission)
Blitz: Galbadia Garden (Disc 2), Edea's House Area Forests
Blobra: Tomb Of The Unknown King, Centra Ruins
Blood Soul: Galbadia Garden Area, Winhill Area
Blue Dragon: Trabia Area Forests (rare), Island Closest To Hell,
Deep Sea Research Center
Bomb: Fire Cavern, Centra Ruins, Deep Sea Research Center
Buel: Fire Cavern, Tomb Of The Unknown King, Centra Ruins
Cactuar: Cactuar Island (near Kashkabald Desert, Centra area), Kashkabald Desert
Caterchipillar: Balamb Area Forests, Winhill as Laguna
Catoblepas: Optional boss, Ultimecia Castle (Disc 4)
Cerberus: Optional boss, Galbadia Garden (Disc 2)
Chimera: Kashakabald Desert (Centra Area) (rare),
Island Closest To Hell (westernmost island on map)
Cockatrice: Timber Area Forests
Creeps: Deling City Sewers, Galbadia Garden (Disc 2)
Death Claw: Galbadia Garden (Disc 2)
Edea: Boss, Deling City (Disc 1) and again in Galbadia Garden (Disc 2)
Elastoid: Centra Excavation Site as Laguna (rare),
Lunatic Pandora Laboratory as Laguna
Elite Soldier: Dollet (Disc 1), Timber (Disc 1), Desert Prison,
Missile Base, FH (Disc 2), Balamb Garden (Disc 2),
Galbadia Garden (Disc 2), Esthar City (invasion),
Lunatic Pandora as Zell
Elnoyle: Esthar City (after moon mission)
Elvoret: Boss, Dollet Communication Tower (Disc 1)
Esthar Soldier: Centra Excavation Site and Lunatic Pandora Lab as Laguna
Fake President: Boss, Presidential Train (Disc 1)
Fastitocalon: Kashkabald Desert Beaches (Centra area)
Fastitocalon-F: Balamb Area Beaches, Deling City Area Beaches
Forbidden: Tomb Of The Unknown King (rare), Centra Ruins
Fujin: Boss in Balamb (Disc 2) and again in Lunatic Pandora (Disc 3)
G-Soldier: Timber (Disc 1), Missile Base, FH (Disc 2),
Balamb Garden (Disc 2), Galbadia Garden (Disc 2),
Esthar City (invasion), Lunatic Pandora as Zell
Gargantua: Optional boss, Ultimecia Castle (Disc 4)
Gayla: Trabia Area, Trabia Canyon as Laguna, Esthar City (after moon mission)
Geezard: Dollet Area, Galbadian Garden Area, Deling City Area,
Desert Prison, Missile Base, Edea's House Area Forests
Gerogero: Boss, Presidential Train (Disc 1)
Gesper: Centra Excavation Site as Laguna (rare), Lunatic Pandora Lab as Laguna
GIM47N: Desert Prison, FH (Disc 2)
GIM52A: Desert Prison (a bit rare), Balamb Garden (Disc 2),
Esthar City (invasion), Lunatic Pandora as Zell
Glacial Eye: Balamb Area, Esthar City (before moon mission)
Granaldo: Boss, Balamb Garden Training Center (Disc 1)
Grand Mantis: Stairway to Deling City Sewers, Edea's House Area Forests
Grat: Balamb Garden Training Area
Grendel: Deep Sea Research Center, Island Closest To Heaven
Hexadragon: Grandidi Forest (see Malboro); Island Closest To Hell
Ifrit: Boss, Fire Cavern (Disc 1)
Iguion: Bosses, Deling City (Disc 1)
Imp: Great Esthar Plains (after moon mission), Deep Sea Research Center,
Lunatic Pandora as Squall
Iron Giant: Esthar City (after moon mission), Deep Sea Research Center,
Lunatic Pandora as Squall
Jelleye: Galbadia Garden (Disc 2), Edea's House Area
Jumbo Cactuar: Optional boss, Cactuar Island
Krysta: Optional boss, Ultimecia Castle (Disc 4)
Left Orb: Part of NORG, boss in Disc 2
Left Probe: Part of Mobile Type 8, boss in Disc 3
Lefty: Part of Vysage
Malboro: Grandidi Forest (north of Esthar; must use Chocobo to reach it),
Great Esthar Plains (before moon mission) (rare),
Island Closest To Heaven
Mesmerize: Trabia Area, Trabia Canyon as Laguna,
Great Esthar Plains (before moon mission)
Minotaur: Optional boss, Tomb Of The Unknown King (Disc 1)
Mobile Type 8: Boss, Lunatic Pandora (Disc 3)
NORG: Boss, Balamb Garden B1 (Disc 2)
Ochu: Timber Area Forests, Trabia Canyon as Laguna, Island Closest To Heaven
Odin: Optional boss, Centra Ruins
Oilboyle: Bosses, Balamb Garden MD Level (Disc 2)
Omega Weapon: Optional boss, Ultimecia Castle (Disc 4)
Paratrooper: Balamb Garden (Disc 2)
PuPu: Optional enemy, after completing UFO Quest
Raijin: Boss twice in Balamb (Disc 2) and again in Lunatic Pandora (Disc 3)
Raldo: Part of Granaldo, boss in Disc 1.
Red Bat: Fire Cavern, Deling City Sewers, Centra Ruins
Red Giant: Optional boss, Ultimecia Castle (Disc 4)
Right Orb: Part of NORG, boss in Disc 2
Right Probe: Part of Mobile Type 8, boss in Disc 3
Righty: Part of Vysage
Ruby Dragon: Edea's House Area Forests (rare), Deep Sea Research Center,
Island Closest To Hell
Sacred: Optional boss, Tomb Of The Unknown King (Disc 1) (fight him twice)
SAMO8G: Missile Base, FH (Disc 2), Lunatic Pandora as Zell
Seifer: Boss in Deling City (Disc 1), twice in Galbadia Garden (Disc 2),
and again in Lunatic Pandora (Disc 3).
Slapper: Galbadia Garden Ice Rink (Disc 2)
Snow Lion: Trabia Area
"Sorceress": Bosses, Disc 4
Sphinxara: Boss, Ultimecia Castle (Disc 4)
T-Rexaur: Balamb Garden Training Area, Island Closest To Hell
Tiamat: Optional boss, Ultimecia Castle (Disc 4)
Tonberry: Centra Ruins
Tonberry King: Optional boss, Centra Ruins
Torama: Great Esthar Plains (after moon mission), Lunatic Pandora as Squall
Trauma: Optional boss, Ultimecia Castle (Disc 4)
Tri-Face: Balamb Garden MD Level (rare), Galbadia Garden (Disc 2),
Deep Sea Research Center
Tri-Point: Optional boss, Ultimecia Castle (Disc 4)
Thrustaevis: Timber Area, Deling City Area, Desert Prison
Turtapod: Esthar City (after moon mission), Lunatic Pandora as Squall
Ultima Weapon: Optional boss, Deep Sea Deposit
Vysage: Winhill Area, Great Salt Lake
Wedge: Dollet Communication Tower (Disc 1) and Desert Prison (Disc 2)
Wendigo: Timber Area Forests, Deling City Area (brown land), Desert Prison
X-ATM092: Boss, Dollet (Disc 1)