Groups of Legendary and Mythical Pokémon

There are several groups of closely related or Mythical Pokémon. Depending on the number of Pokémon in these groups, they are often referred to by fans as Legendary duos,As of Generation VII, the term "Legendary duo" has been used officially on Pokémon.com. The term was used at one point to refer to Primal and together, in the context of their use in Double Battles: "Up next we have the winning restricted pairing from the 2019 Pokémon World Championships, Primal Groudon and Lunala. [...] Opponents will be better prepared for this pairing with the knowledge of how the team operates, meaning it’s only going to get more difficult for this Legendary duo to continue with its recent success." Latin America Internationals: Pokémon VGC Power Rankings - Pokémon.com. Another example: "In Pokémon Sun and Pokémon Moon, the story centered heavily around the Legendary Pokémon and . In Pokémon Ultra Sun and Pokémon Ultra Moon, a new story unfolds featuring alongside the Legendary duo." - NEW DETAILS ANNOUNCED FOR UPCOMING GAMES POKÉMON ULTRA SUN AND POKÉMON ULTRA MOON! Legendary trios,As of Generation IV, the term "Legendary trio" (originally formatted as legendary trio) has been used officially on Pokémon.com. "Catch up with the legendary trio of (4/132), (16/132), and (19/132)!" (referring to — from the Pokémon Trading Card Game) "The Legendary trio of , , and are majestic, ferocious, and really hard to catch." (referring to the Nintendo 3DS Virtual Console version of ) - Ten Can’t Miss Activities in Johto and Beyond - Pokémon.com "Each of these battles has a five-minute time limit, so you'll need to be efficient as you take on this Legendary trio." (referring to , , and in Pokémon: Let's Go, Pikachu! and Let's Go, Eevee!) - Postgame Adventures in Pokémon: Let’s Go, Pikachu! and Pokémon: Let’s Go, Eevee! - Pokémon.com or even Legendary quartets and Legendary quintets—or generically, Legendary groups.
Several groups of Legendary and Mythical Pokémon also have a close relationship with another Legendary or Mythical Pokémon who may be considered their leader or creator. There are also other Legendary and Mythical Pokémon that are closely associated with a Legendary group, but are not considered a leader or member of that group. Additionally, there are some Legendary Pokémon that are closely related but not officially or commonly recognized to be part of their own distinct group.
Members of groups of Legendary and Mythical Pokémon often, but not always, share a type, Ability, or base stat total.
==List of groups==
===Legendary duos===
A Legendary duo is a pair of closely related and Mythical Pokémon, either representing teamwork or opposition.
In the , Legendary duos are often found after the enters the Hall of Fame but they usually are not as important to the main storyline as the trios are. Duos or their component parts are featured in several of the s as keepers of peace.
Sometimes, pairs of Legendary Pokémon once only presented as duos are revealed to actually be Legendary trios in a subsequent game or games of the same generation. However, even within trios, the dynamic between two of the members is often very close to that of a duo: and , and , and , and , and and are all examples of this.
	
	
	
	
	
	
	
	
	
	
	
	
	
	
	
===Legendary trios===
A Legendary trio is a term used to describe a group of three closely-related Legendary Pokémon. Legendary trios can be subdivided into two tiers: normal trios and trios. Sublegendary trios, which are always the first Legendary Pokémon that appear in any Pokédex order, are allowed into the many Battle Towers and other battle facilities. They are also the only Pokémon with base stat totals of , besides the Swords of Justice. Special trios, whose name comes from the fact that all of them are Special Pokémon, are not allowed in the Battle Tower and are found closer to the end of the Pokédex in the generation of their release.
Before the introduction of new members to some Legendary groups, the forces of nature and legendary giants used to be Legendary trios. The Swords of Justice are also sometimes treated as a trio when is excluded.
The term fell into official usage with the Legendary beasts' Wonder Cards.
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
===Legendary quartets===
A Legendary quartet is a term used to describe a group of four closely related Legendary Pokémon. Legendary quartets are mainly sub-Legendary, Keldeo being the only exception. Legendary quartets are usually the first Legendary Pokémon that appear in any Pokédex order and are allowed into the many Battle Towers and other battle facilities. The only exception is due to being a Mythical Pokémon. They tend not to have leading story roles and are mainly optional captures.
			
			
			
			
			
			
			
			
			
===Legendary quintets===
A Legendary quintet is a term used to describe a group of five closely related Legendary Pokémon. So far, the only Legendary quintet is a Legendary trio that has received new members several generations after their debut.
				
				
				
==Other relationships==
===Legendary leaders===
Some or Mythical Pokémon are known to oversee one or more groups of Legendary Pokémon. For Legendary trios, this Pokémon has often been referred to by fans as a trio master, though some Legendary trios with leaders have since expanded into larger groups.
The leader Pokémon and its corresponding group may be related in different ways. For example, is often considered the leader of the legendary birds; it is the only one who can quell their fighting when Lawrence III captures one of them in the second movie, The Power of One.
Sometimes a particular member of a group oversees the other members, serving as what some fans have called an internal master. For example, is the leader of the super-ancient Pokémon; it stopped the other two members' fighting in . Another example is mentioned in the Generation V games; punishes and for causing storms as a result of their fighting.
In the , these Pokémon often require that their subordinates be caught before being encountered.
;Lugia and the legendary birds
In The Power of One, is the only one who can end the ' conflict and save the world, which was in chaos due to the never-ending territorial battle between the three birds.
		
		
		
		
		
;Ho-Oh and the Legendary beasts
150 years ago, the three beasts perished in a fire in the Brass Tower, but Ho-Oh appeared as the sun rose, granting the trio new life, now representing the three forces that transformed the now Burned Tower, the lightning, the fire, and the rain respectively.
		
		
		
		
		
;Regigigas and the legendary giants
 will be awakened when the legendary giants are brought to its residence or the Giant's Bed. It is aso said that in the past, it built statues made of , , and . It has also created two additional ones made from both and elemental energies. These statues turned out to be the five giants that were sealed hundreds of years ago just like their creator.
				
				
				
				
				
;Rayquaza of the super-ancient Pokémon
Due to it ending and 's battles throughout the ages, is often seen as the leader amongst the super-ancient Pokémon, being powerful enough in its base form to overpower both of them, even in their Primal forms.
	
	
	
	
	
;Arceus, the Pokémon of Myth, and the lake guardians
According to legend, created all three members of the Pokémon of Myth after creating the universe, with and representing matter, and Giratina representing anti-matter. Arceus also created the lake guardians, which each represent different aspects of spirit. The lake guardians check balance with the Pokémon of Myth. Arceus, known as the Original One, was named Almighty Sinnoh by the Celestica people, before the Diamond and Pearl Clans had used the name to refer to Palkia and Dialga instead. Arceus was also shown to be capable of using the Pokémon of Myth's powers at will, manipulating time, space, and anti-matter, even including their signature moves, , and , as seen in its boss fight.
		
		
		
		
		
		
;Cobalion of the Swords of Justice
Cobalion radiates the air of a leader since birth, allowing its glare to make even unruly Pokémon to obey it. In Kyurem VS. The Sword of Justice, it is portrayed as the leader of the Swords of Justice, leading them with determination and a strong will.
		
		
		
		
		
;Landorus of the forces of nature
 punished and for bringing mass destruction with their and . As such, it is sometimes viewed as the leader of the three. It cannot be battled until both of the latter are brought to the Abundant Shrine, and it can bring out Enamorus when all three are together.
		
		
		
		
		
;Zygarde of the Aura trio
Being the protector of the ecosystem, keeps watch on the planet and on and so that the equilibrium of the planet and the cycle of life and death are kept in check. In its , it is said to exceed Xerneas and Yveltal in power, even capable of replacing their , and respectively using its own, . In Pokémon Adventures, when Zygarde awakens to stop Xerneas and Yveltal from using their powers, the only way to stop it is having the two Legendary Pokémon return to their slumber.
		
		
		
		
		
;Pecharunt and the Loyal Three
 had tamed and bound the Loyal Three with Binding Mochi and toxic chains, them to its will with its toxins. This granted them their wishes for strength, intelligence, and beauty. Hundreds of years ago, Pecharunt led them to Oni Mountain's Dreaded Den to fight Ogerpon and its companion and steal their masks to please an old couple that Pecharunt lived with."The Untold Story of Pecharunt". The Official Pokémon YouTube channel. YouTube. January 15, 2024.
		
		
		
		
		
===Legendary Pokémon associated with a group of Legendary Pokémon===
On several occasions, certain or Mythical Pokémon have shared a history or close relationship with a group of Legendary Pokémon, often playing a pivotal role in their stories. However, these Legendary Pokémon are not considered members of the main group.
;Kyurem and the Swords of Justice
In Kyurem VS. The Sword of Justice, according to , to become a member of the , one must defeat .
			
			
			
			
			
;Meloetta and the forces of nature
In , , as the former guardian of the Abyssal Ruins, guarded the Reveal Glass, a looking glass used to control the three . When Meloetta's voice is in sync with the Reveal Glass, it is also capable of taking control of the trio by itself.
			
			
			
			
			
;Cosmog, Solgaleo, Lunala, and the guardian deities
According to the Light of Alola, / had entered Alola and initiated a fight with the guardian deities, resulting in a loss for the tapu. Solgaleo/Lunala had offered the tapu the Tapunium Z in acknowledgement. The four tapu were given the duty of watching over the Pokémon's child, , until they evolve and return to Ultra Space to repeat the endless cycle, making the Legendaries' relation a symbiotic relationship.
 	 	 	
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;Necrozma and the guardian deities
According to the Malie Library, had taken the form of / Necrozma and taken away Alola's and either Solgaleo's or Lunala's light. This pillager of light had fought against a young kid along with the guardian deities using Z-Power and Sparkling Stones defeating Necrozma. This resulted in Alola's tradition of the island challenge. As the pillager's goal is to steal Alola's light, shrouding it in darkness and the goal of the guardians is to protect it, this makes them eternal enemies along with the Ultra Beasts.
			
			
			
			
			
;Eternatus and the legendary heroes
 created the Darkest Day by absorbing Galar's energy, resulting in the emergence of the Dynamax phenomenon. The legendary heroes wields the power to fight Dynamaxed Pokémon using their signature moves, and save the region by defeating Eternatus. The dragon's goal is to take over Galar with its Darkest Day and the goal of the wolves is to protect it, thus their opposing relationship.
		
		
		
		
		
;Ogerpon and the Loyal Three
After the Loyal Three gained strength from their toxic chains, they stole 's masks, but became mistakenly recognized as heroes of Kitakami, and Ogerpon was seen as a villainous ogre. The trio held a strong grudge against Ogerpon after it slayed them, and Ogerpon appeared to fear and hate them for everything they'd done to it.
		
		
		
		
		
===Undefined relationships===
Some Legendary Pokémon are closely related but are not officially or commonly recognized as part of a distinct group with each other.
;Ho-Oh and Marshadow
In I Choose You!, acts as a guide from the shadows who leads those chosen by to be the Rainbow Hero. According to Bonji, if the Rainbow Wing touches the heart of evil and loses its color, Marshadow is responsible for sealing the Rainbow Wing away.
	
	
	
;Deoxys and Rayquaza
 is bitter enemies with , with the two often clashing with each other, as depicted in the movie Destiny Deoxys and the games .
	
	
	
;Arceus, Type: Null, and Silvally
After being deemed a failure upon its creation at Aether Paradise, Type: Full's head was sealed with a helmet, and the Pokémon was renamed to . Type: Null's evolution, Silvally and its Ability, , are based on Arceus and its Ability, , for the purpose of being an "Anti-UB Fighting life-form", named "beast killer". The ring around the collar of Type: Null's helmet resembles the golden wheel around Arceus' body.
	
	
	
	
	
;Calyrex, Glastrier, and Spectrier
, as an ancient king of Galar, can on or with the Reins of Unity, making them its steeds. Calyrex lost most of its power and could only regain its ability to ride its steeds by regaining people's faith in its existence.
	
	
	
	
	
;Ogerpon and Pecharunt
Long ago, reached Kitakami with its retainers, , , and . The four planned to steal a brilliant set of masks that belonged to a human man and as requested by Pecharunt's caretakers. After a struggle, they succeeded in stealing three of the masks, but left Ogerpon's companion seriously injured. When Ogerpon discovered what happened, it went after the four thieves, slaying the three retainers and defeating Pecharunt, leaving it unconscious for years. Hundreds of years later, Ogerpon still holds a grudge against Pecharunt.
	
	
	
==Trivia==
* and are the only Legendary Pokémon to not be closely associated with another Legendary or Mythical Pokémon.
;Legendary duos
* Some of the Legendary duos have unique distinctions:
** The tower duo is the only Legendary duo whose members are both considered Legendary leaders by fans.
** The lunar duo is the only Legendary duo whose members are not adjacent to each other in the Pokédex.
* Both the tower duo and the eon duo were seen in the animated series before their respective generations. Ho-Oh was seen in Pokémon - I Choose You! and Lugia was seen in The Power of One. Both Latias and Latios were seen in Pokémon Heroes: Latios & Latias.
;Legendary trios
* Some of the Legendary trios have unique distinctions:
** The lake guardians are the only trio:
*** Whose members are all exactly ; however, many other trios share types within the group.
*** Whose members are incapable of learning any HMs.
*** With a base stat total of 580 to not have a base friendship of 35; in fact, they have the highest base friendship of all Legendary Pokémon, at 140, tying for the highest base friendship of all Pokémon with and the evolutionary lines of and .
** The legendary birds are the only Legendary trio to have regional forms.
** The light trio is the only Legendary trio to have an evolutionary line for two of its members.
** The Pokémon of Myth and the lake guardians are the only Legendary trios to share a Legendary leader, that being the Mythical Pokémon .
;Groups of four or more Legendary Pokémon
* Some of the Legendary groups of four or more have unique distinctions.
** The Swords of Justice are the only Legendary quartet to have a Mythical Pokémon in their group.
** The forces of nature are the only Legendary trio to later become a Legendary quartet.
** The Guardian deities are the only Legendary quartet to have exclusive Z-Moves and Z-Crystals.
** The legendary giants are the only Legendary group to have five members.
*** They are also the first Legendary group to gain more members in a later generation.
* As of Generation IX, all Legendary quartets share at least one type.
** The forces of nature are the only quartet where one of the members has only one type while the rest are dual-type.
;Legendary leaders
* There has yet to be a Legendary leader of a Legendary duo.
* and are the only Legendary leaders that are Mythical Pokémon. 
** Arceus is the only one who is related to more than one Legendary trio.
==References==
==Related articles==
* Legendary Pokémon
* Mythical Pokémon
* Myths and legends involving Legendary and Mythical Pokémon
* Terminology of Legendary and Mythical Pokémon
* Game mascot
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