List of mutually exclusive Pokémon

This is a list of mutually exclusive Pokémon in the games.
In some cases, there are multiple potentially available in a single game, but the must choose one of them or otherwise can't catch all of them in a single game. They include many trios of first partner Pokémon, some Fossil Pokémon, and in some cases Legendary Pokémon.
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==In the core series games==
===Generation I===
====Pokémon Red, Blue, and Yellow====
=====First partner Pokémon and their evolutions=====
In , the first partner Pokémon and their evolutions form a group of nine mutually exclusive Pokémon. For instance, if the player chooses , then and will be unobtainable outside of trades. Once this evolves into , it will not be possible to obtain any other Bulbasaur in the same game due to the lack of .
In , Bulbasaur, Charmander, and Squirtle are available without trading. However, they still form three groups of mutually exclusive Pokémon, since it is once again not possible to own multiple evolutionary stages (such as , , and ) at the same time outside of trades.
					
					
					
					
					
					
=====Hitmonlee and Hitmonchan=====
In , the player chooses to receive either or from the master of the Fighting Dojo. The other is available via trades from other Generation I or II games. It is not possible to own the other Pokémon outside of trades due to the lack of in this generation.
	
	
=====Eevee and Eeveelutions=====
In this generation, and the Eeveelutions form a group of four mutually exclusive Pokémon.
There is a single available in . Therefore, outside of trades, Eevee itself becomes unavailable by any means once this one evolves, and it is not possible to own more than one Eeveelution in the same game. This is a result of the lack of in this generation.
					
					
					
					
=====Omanyte, Kabuto, and their evolutions=====
In this generation, , , and their evolutions form a group of four mutually exclusive Pokémon.
The player chooses either the Helix Fossil or Dome Fossil at the Mt. Moon, from which or is revived, respectively. Pokémon from the other, not chosen fossil appears in Pokémon Zoo of Fuchsia City.
It is not possible to own multiple Pokémon stages from the same evolutionary line (such as both and ; or both and ) at the same time outside of trades due to the lack of in this generation.
			
			
			
===Generation II===
====Pokémon Gold, Silver, and Crystal====
=====First partner Pokémon=====
In , the first partner Pokémon are mutually exclusive.
					
					
					
					
====Pokémon Gold and Silver====
=====Fire Stone evolutions=====
In , and are mutually exclusive. In , and are mutually exclusive. (/ and / are version-exclusive Pokémon.)
There is a single Fire Stone received from Bill's grandfather at the Sea Cottage, which can be used to evolve a , , or . The other evolutions, or additional Fire Stones, can be traded from other games. Fire Stones can also be received via Mystery Gift.
In , Fire Stones can also be received from Alan on .
		
		
=====Water Stone evolutions=====
In (but not in ), , , , and are mutually exclusive. There is a single Water Stone received from Bill's grandfather at the Sea Cottage, which can be used to evolve a , , , or . The other evolutions, or additional Water Stones, can be traded from other games. Water Stones can also be received via Mystery Gift.
In , Water Stones can also be received from Tully on .
						
						
=====Thunderstone evolutions=====
In (but not in ), and are mutually exclusive. There is a single Thunderstone received from Bill's grandfather at the Sea Cottage, which can be used to evolve a or . The other evolution, or additional Thunderstones, can be traded from other games. Thunderstones can also be received via Mystery Gift.
In , Thunderstones can also be received from Dana on .
	
	
=====Leaf Stone evolutions=====
In (but not in ), , , and are mutually exclusive. There is a single Leaf Stone received from Bill's grandfather at the Sea Cottage, which can be used to evolve a , , or . The other evolutions, or additional Leaf Stones, can be traded from other games. Leaf Stones can also be received via Mystery Gift.
In , Leaf Stones can also be received from Gina on .
					
					
===Generation III===
====Pokémon Ruby, Sapphire, and Emerald====
=====First partner Pokémon=====
In , the first partner Pokémon are mutually exclusive.
					
					
					
					
=====Clamperl evolutions=====
In , and are mutually exclusive. The player is able to choose between the Deep Sea Tooth or Deep Sea Scale in Slateport City, each of which can be used to evolve into one of its evolutions by making it hold the item while being traded.
			
=====Lileep and Anorith=====
In , the player is able to choose between the Root Fossil or Claw Fossil at the , from which or is revived, respectively. In , both fossils are available: at first, the player chooses one of them in the Mirage Tower; once the player becomes the , the second fossil becomes available in the Desert Underpass.
			
			
			
=====Moon Stone evolutions=====
In and (but not in ), and are mutually exclusive. There is a single Moon Stone available at the Meteor Falls, which can be used to evolve a or . The other evolution, or an additional Moon Stone, may be traded from another game.
In Pokémon Sapphire, there are Moon Stones held by wild as well. However, Emerald has a cloning glitch that allows the player to obtain more Moon Stones if they give one to the Pokémon to be cloned.
			
====Pokémon Emerald====
=====Johto first partner Pokémon=====
If the player completes the Hoenn Pokédex in , they may choose one of the three first partner Pokémon from Johto as a prize given by Professor Birch.
Additionally, the three Johto first partner Pokémon may be traded from Pokémon XD or their evolved forms from Pokémon Colosseum.
					
					
					
					
=====Eon duo=====
In , a member of the Eon duo starts roaming Hoenn after the player enters the Hall of Fame, depending on the color of Pokémon that the player tells their was on the TV at the start of the game. Red results in Latias roaming, while blue results in Latios roaming. The other Pokémon is available at the Southern Island if the player has the event-only Eon Ticket.
			
			
====Pokémon FireRed and LeafGreen====
=====First partner Pokémon=====
In , the first partner Pokémon are mutually exclusive.
					
					
					
					
					
					
=====Omanyte and Kabuto=====
The player chooses either the Helix Fossil or Dome Fossil at the Mt. Moon, from which or is revived, respectively. Pokémon from the other, not chosen fossil appears in Pokémon Zoo of Fuchsia City.
			
			
			
=====Legendary beasts=====
One of the three Legendary beasts starts roaming Kanto after the player defeats Team Rocket in the Rocket Warehouse on Five Island and delivers the to Celio. The Legendary beast depends on the type weakness of the player's chosen first partner Pokémon: Raikou for , Entei for , or Suicune for .
Additionally, the three Legendary beasts may be traded from Pokémon Colosseum.
		
		
===Generation IV===
====Pokémon Diamond, Pearl, and Platinum====
=====First partner Pokémon=====
In , the first partner Pokémon are mutually exclusive.
					
					
					
					
====Pokémon Platinum====
=====Cranidos and Shieldon=====
In , if the player's ID is an odd number, the Skull Fossil is available; if the ID is an even number, the Armor Fossil is available. and are resurrected from these fossils, respectively.
			
			
			
====Pokémon HeartGold and SoulSilver====
=====First partner Pokémon=====
In , the first partner Pokémon are mutually exclusive.
					
					
					
					
=====Kanto first partner Pokémon=====
One of the Kanto first partner Pokémon is given by Professor Oak after the player defeats .
					
					
					
					
					
					
=====Hoenn first partner Pokémon=====
One of the Hoenn first partner Pokémon is given by Steven Stone after the player defeats , after picking a Kanto first partner Pokémon.
					
					
					
					
=====Sinjoh Ruins=====
In , the player is able to receive an with a level 1 , , or in the Sinjoh Ruins event. This place is only accessible if the player has an from , or .
If the player has an Arceus from the Hall of Origin (which is only obtainable through cheating or use of the Pal Park Retire glitch) and another Arceus from other event distributions, it's possible to receive 2 Eggs with Dialga, Palkia, or Giratina. It's not possible to receive 2 Eggs with the same Pokémon species in this way, and it's not possible to receive all three eggs in one save file.
This is the only way to obtain a legitimate Griseous Orb in these games.
					
					
===Generation V===
====Pokémon Black, White, Black 2, and White 2====
=====First partner Pokémon=====
In Pokémon Black, White, Black 2, and White 2, the first partner Pokémon are mutually exclusive.
					
					
					
					
=====Tirtouga and Archen=====
In , the player chooses either Cover Fossil or the Plume Fossil at the Relic Castle, from which or is revived, respectively; the other Fossil is unavailable outside of trades.
In , the player chooses between these Fossils in Nacrene City, and both Fossils are also available in the Join Avenue.
			
			
			
====Pokémon Black 2 and White 2====
=====Pokémon traded by Yancy and Curtis=====
In , the Pokémon traded by Yancy or Curtis are mutually exclusive. They depend on the player's gender.
The mutually exclusive pairs, where the former is traded by Yancy, and the latter by Curtis, are:
* Meowth and Mankey
* Teddiursa and Phanpy
* Mawile and Sableye
* Shellos (West Sea Form) and Shellos (East Sea Form)
															
															
															
===Generation VI===
====Pokémon X and Y====
=====First partner Pokémon=====
In Pokémon X and Y, the first partner Pokémon are mutually exclusive.
Additionally, Shauna trades the unevolved form of her first partner Pokémon (the first partner Pokémon whose type is weak against the player's first partner Pokémon) for any Pokémon chosen by the player, after the player becomes the .
* Shauna gives the player a if the player's first partner Pokémon is .
* Shauna gives the player a if the player's first partner Pokémon is .
* Shauna gives the player a if the player's first partner Pokémon is .
The middle stage of the first partner Pokémon can also be found in the Friend Safari.
					
					
					
					
=====Kanto first partner Pokémon=====
In , one of the Kanto first partner Pokémon is given by Professor Sycamore in Lumiose City. The middle stage of the first partner Pokémon can also be found in the Friend Safari.
							
							
							
							
							
							
							
							
=====Tyrunt and Amaura=====
In Pokémon X and Y, the player chooses either the Jaw Fossil or Sail Fossil at the Glittering Cave, from which or is revived, respectively. The Jaw and Sail fossils and the Pokémon revived from them, or either of their evolutions, are unavailable aside from this one event.
			
			
			
=====Legendary birds=====
In Pokémon X and Y, one of the legendary birds is found at the Sea Spirit's Den, depending on the Kalos first partner Pokémon that was chosen by the player.
* If the player chose , then will be available.
* If the player chose , then will be available.
* If the player chose , then will be available.
					
					
====Pokémon Omega Ruby and Alpha Sapphire====
=====First partner Pokémon=====
In Pokémon Omega Ruby and Alpha Sapphire, the first partner Pokémon are mutually exclusive.
					
					
					
					
					
=====Lileep and Anorith=====
In Pokémon Omega Ruby and Alpha Sapphire, the player chooses either the Root Fossil or Claw Fossil at the , from which or is revived, respectively.
			
			
			
=====Johto first partner Pokémon=====
After the player enters the Hall of Fame in Pokémon Omega Ruby and Alpha Sapphire, they choose a Johto first partner Pokémon given by Professor Birch.
					
					
					
					
=====Unova first partner Pokémon=====
After the player clears the Delta Episode in Pokémon Omega Ruby and Alpha Sapphire, they choose an Unova first partner Pokémon given by Professor Birch.
					
					
					
					
=====Sinnoh first partner Pokémon=====
After the player enters the Hall of Fame for the second time in Pokémon Omega Ruby and Alpha Sapphire, they choose a Sinnoh first partner Pokémon given by Professor Birch.
					
					
					
					
===Generation VII===
====Pokémon Sun, Moon, Ultra Sun, and Ultra Moon====
=====First partner Pokémon=====
In Pokémon Sun, Moon, Ultra Sun and Ultra Moon, the only mutually exclusive Pokémon are the first partner Pokémon.
					
					
					
					
===Generation VIII===
====Pokémon Sword and Shield====
=====First partner Pokémon=====
In Pokémon Sword and Shield, the first partner Pokémon are mutually exclusive.
					
					
					
					
					
====The Isle of Armor====
=====Urshifu=====
In The Isle of Armor, the player must choose either the Tower of Darkness or the Tower of Waters to evolve into one of 's two forms. Upon choosing to enter one tower, the other one becomes permanently locked to the player. If a player wants to obtain Urshifu of the other form, it must be first be evolved from Kubfu by another player that selected the opposite tower.
			
			
=====Alola first partner Pokémon=====
As a reward for finding 100 of his , the Diglett Trainer in the Fields of Honor will give the player one of the Alola first partner Pokémon. The Pokémon received matches the type of the Galar first partner Pokémon chosen at the start of the game.
					
					
					
					
====The Crown Tundra====
=====Glastrier, Spectrier, and Calyrex's forms=====
In The Crown Tundra, while helping find its steed, the player has the choice of growing either an Iceroot Carrot or a Shaderoot Carrot to lure it out. This choice determines the identity of Calyrex's steed, either or , and the form Calyrex takes when the player ultimately battles it. When Calyrex is caught in its Ice Rider form, they will also catch Glastrier, while they will catch Spectrier with Calyrex if it is in its Shadow Rider form.
			
			
			
=====Regieleki and Regidrago=====
After catching , , and , the player may enter the Split-Decision Ruins in the Crown Tundra, where, depending on how they light the pattern in the center, they will have the chance to battle either or .
Once the chosen Regi is caught or defeated, the lights will be locked to the chosen Regi's pattern, and therefore the other Regi will have to be traded in from another game, and as requires Regirock, Regice, Registeel, Regieleki, and Regidrago, it cannot be caught without using multiple save files.
	
	
====Pokémon HOME====
=====Kanto first partner Pokémon=====
When the player starts the mobile version of Pokémon HOME for the first time, they will be given their choice of Kanto first partner Pokémon from Grand Oak. While it is not mentioned by Grand Oak, the first partner Pokémon have their Hidden Abilities. They may be freely transferred to a compatible game.
					
					
					
					
					
					
===Generation IX===
====Pokémon Scarlet and Violet====
=====First partner Pokémon=====
In Pokémon Scarlet and Violet, the first partner Pokémon are mutually exclusive.
					
					
					
					
==In the side series games==
===Pokémon XD: Gale of Darkness===
=====Eevee and Eeveelutions=====
In this game, and the Eeveelutions form a group of six mutually exclusive Pokémon.
There is a single available as the player's first Pokémon in Pokémon XD: Gale of Darkness. Once it evolves, Eevee itself becomes unavailable and it is not possible to own more than one Eeveelution outside of trades. This is a result of the lack of in this game.
									
									
									
									
=====Fire Stone evolutions=====
In Pokémon XD: Gale of Darkness, there are at most two Fire Stones available in the game (excluding any that may be traded in), but three Pokémon that can evolve via Fire Stone: Vulpix, Growlithe, and Eevee. This restricts the player to obtaining at most two of , and .
One Fire Stone is located on the S.S. Libra. The other is available at Gateon Port, where the player has to choose one of the following mutually-exclusive items: Fire Stone, Water Stone, Thunder Stone, Sun Shard, Moon Shard. Selecting the Fire Stone at Gateon Port limits the player's access to the other Evolution items, making one of the Fire Stone evolutions also mutually exclusive with other evolutions that require these Evolution items if there are not a sufficient number of those items available for the number of Pokémon that can use them to evolve in the game; in particular, while Eevee is the only Pokémon that can evolve using a Thunder Stone, Gateon Port is the only way to obtain the Sun Shard and Moon Shard while the only other Water Stone in the game can be used to evolve a .
		
		
=====Leaf Stone evolutions=====
In Pokémon XD: Gale of Darkness, there is only one Leaf Stone available in the game (excluding any that may be traded in), but two Pokémon that can evolve via Leaf Stone: and . This makes their evolved forms, and , mutually exclusive. The single Leaf Stone is available at the Cipher Lab.
			
==In the spin-off games==
===Pokémon Ranger===
====Plusle and Minun====
In , the is either and , depending on the player's gender. These two Pokémon are not available anywhere else.
* The male player is Lunick, and his Partner Pokémon is 
* The female player is Solana, and her Partner Pokémon is 
The player character not chosen appears on the game as a friendly NPC, with their respective Partner Pokémon.
	
	
==Related articles==
* List of Pokémon by availability
* List of permanently missable Pokémon
* Version-exclusive Pokémon
Category:Lists of Pokémon
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