Lunar duo

Lunar duo is a fan term for a duo consisting of the Legendary Pokémon and the Mythical Pokémon . They reside in the Sinnoh region.
==Overview==
The Cresselia and Darkrai are commonly seen as polar opposites, with the former being based on the crescent moon and the latter on the new moon. Cresselia and Darkrai reside on Fullmoon Island and Newmoon Island, respectively, which are direct mirror images of each other. Additionally, Darkrai is said to give people nightmares, while Cresselia gives people pleasant dreams. The duo appears in , and as enemies. While Cresselia is female, Darkrai is a gender unknown Pokémon.
==In the core series games==
===Cresselia===
Cresselia, the , can be found Sinnoh in , , . She is also available on Marvelous Bridge in , on Crescent Isle in , and in the Ultra Space Wilds Cliff World in .
Cresselia's stats are more defensive than its counterpart, having a base 110 for and 120 for (base 120 Defense and base 130 Special Defense prior to Generation IX), as well as having base 120 HP. Cresselia's signature move, , causes the user to faint, but restores the HP and PP and removes all non-volatile status conditions (except fainting) of the Pokémon that is sent out to take its place. Its signature move in , , instead restores 50% of Cresselia's HP, cures its status conditions, and obscures it.
===Darkrai===
Darkrai, the , found on Newmoon Island in , and with the use of the Member Card.
Darkrai's stats are on the offensive side, unlike Cresselia, whose stats are more defensive, having 135 and 125 . Darkrai's signature move, , puts all adjacent foes to , with an accuracy of 50% for each Pokémon (80% prior to Generation VII).
===Pokémon Diamond, Pearl, and Platinum===
After obtaining the National Pokédex, the player can encounter Cresselia on Fullmoon Island after being taken there by Sailor Eldritch. After interacting with Cresselia, it will depart, leaving behind the Lunar Feather, and start Sinnoh. In , Darkari will appear on Newmoon Island. The player is required to have obtained the Member Card in order to enter the locked inn at Canalave City and trigger the event to appear on Newmoon Island.
===Pokémon Black 2 and White 2===
Cresselia can be encountered on the Marvelous Bridge after visiting the Strange House.
===Pokémon Omega Ruby and Alpha Sapphire===
Cresselia can be found at Crescent Isle, while in the center area of it is a strange ring hovering in the air through which the player can encounter.
===Pokémon Ultra Sun and Ultra Moon===
Cresselia can be found in the Ultra Space Wilds by following a red Ultra Wormhole to the Cliff World during the Ultra Warp Ride.
===Pokémon Sword and Shield===
Cresselia can encountered in the Max Lair during Dynamax Adventures.
===Pokémon Brilliant Diamond and Shining Pearl===
Cresselia will appear on Fullmoon Island after the player obtains the National Pokédex. Upon meeting Cresselia, it will drop the Lunar Feather and start Sinnoh. Darkrai will appear in Newmoon Island if the player has a Member Card.
===Pokémon Legends: Arceus===
Cresselia will appear in Moonview Arena after the player starts Mission 23: "The Plate of Moonview Arena". If the player has save data from on their Nintendo Switch, Darkrai will appear in Clamberclaw Cliffs, provided they've started Request 93: "The Darksome Nightmare".
===Pokémon Scarlet and Violet===
Cresselia and Darkrai can be transferred into the games through Pokémon HOME.
==Similar movesets==
The following are Cresselia and Darkrai's level-up movesets from .
 	 	
 	 	
 	 	
 	 	
 	 	
 	 	
 	 	
 	 	
 	 	
Moves in bold get . Moves in italics do no damage.	Moves in bold get . Moves in italics do no damage.	Moves in bold get . Moves in italics do no damage.
==Similar base stats==
==In the spin-off games==
===Pokémon Mystery Dungeon: Explorers of Time, Darkness, and Sky===
In Pokémon Mystery Dungeon: Explorers of Time and Explorers of Darkness and Explorers of Sky, Cresselia appears as an NPC, who has made it her mission to foil Darkrai's plot of plunging everyone in the world into an endless nightmare. After healing of his nightmare, she joins the player's team as a guest in Dark Crater. After defeating Darkrai, Cresselia will offer to officially join the team back at Sharpedo Bluff.Darkrai is the game's main antagonist during the post-game story. He wants to cover the world in darkness and was behind the collapse of the Temporal Tower in the game's main storyline. His interference is also why the player was separated from and turned into a Pokémon. In the post-game story, he turns his attention to distorting the fabric of space to cover the world in darkness.
===Pokémon Ranger: Shadows of Almia===
In Pokémon Ranger: Shadows of Almia, Cresselia appears as the guardian of the Yellow Gem. Darkrai serves as the final boss of the main story, being summoned by Blake Hall using the Shadow Crystal.
===PokéPark 2: Wonders Beyond===
In PokéPark 2: Wonders Beyond, Darkrai is the game's main antagonist. He resided in Wish Park and wants to merge the Wish Park with PokéPark.
===Pokkén Tournament===
In Pokkén Tournament, Darkrai appear as a playable fighter in the Arcade and Switch versions of the game. Cresselia appears as a Support Pokémon in all versions of the game alongside .
===Pokémon Masters EX===
In Pokémon Masters EX, both Cresselia and Darkrai serve a notable role during the Sinnoh chapter of the Villain Arc, with seeking to plunge the world into an eternal nightmare and the heroes opposing him with Cresselia's power.
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==In animation==
===Pokémon the Series===
In , Cresselia and Darkrai debuted separately, both having met Ash in one way or the other.
====The Rise of Darkrai====
Darkrai starred in The Rise of Darkrai as the hero of the , taking the task of holding off the fighting between and until and could put the Oración disk in the Space-Time Towers' music player to calm the two Legendary Pokémon down. It reappeared in a cameo in the end credits of Arceus and the Jewel of Life.
====Giratina and the Sky Warrior====
A Cresselia first appeared in a short in the beginning of the Giratina and the Sky Warrior. 
====Pikachu shorts====
A Darkrai appeared in the Pikachu short, Pikachu, What's This Key?. 
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Cresselia and Darkrai made their debut in Sleepless In Pre-Battle!. Cresselia normally returns to her shrine on Fullmoon Island during a certain time of the year when also comes by to cause nightmares. In the episode, however, it came earlier due to it being lured by 's machine that was causing nightmares. She may also leave her feathers, which people find to help stop the nightmares caused by Darkrai. Cresselia is normally in the same place as Darkrai to stop it giving nightmares but due to Darkrai's early coming, the people in Canalave City had nightmares for several days. One night, Darkrai was concealing itself when Cresselia used her abilities to reveal it from the darkness. The two then battled and Darkrai hid itself once more in the shadows.
In League Unleashed!, in the Lily of the Valley Conference was shown to have a Darkrai. In the following episode, Conway revealed that he had easily defeated eight Gym Leaders of the Sinnoh region using only Darkrai. In the Sinnoh League semi-finals in The Semi-Final Frontier!, this Darkrai easily defeated Ash's Heracross, , and . However, it was defeated by Ash's Sceptile, marking its only known loss.
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A Darkrai appeared in Dream a Little Dream from Me!, plunging , , and Squishy into a shared nightmare.
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Cresselia and Darkrai appeared in Nightfall? Nightmares! and A Midsummer Night's Light!. Upon being targeted by Team Rocket's Matori Matrix elite unit, Cresselia fled Fullmoon Island to mainland Sinnoh. Darkrai, sensing Cresselia was in trouble, left Newmoon Island to help her. Cresselia was later encountered by Dawn and Chloe, who treated her injuries. When Team Rocket appeared again to capture Cresselia, Darkrai appeared to defend her, getting severely hurt in the process. After being healed by Cresselia's , Darkrai defeated Team Rocket and subsequently headed back home with Cresselia. As the two departed, Chloe theorized that Cresselia was living close to Darkrai in order to keep it from getting lonely on its remote island.
==In the manga==
===Pokémon Adventures===
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In Double Trouble with Dialga and Palkia IV, Team Galactic Sird was revealed to be in possession of Darkrai. She had first used it at the end of the , where its clash with had led to , , , , and getting turned into stone, although its identity wasn't revealed back then.
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Cresselia appeared under the ownership of Palmer, who had caught her on Fullmoon Island in order to give Sailor Eldritch's son the cure to wake up from a terrible nightmare. Cresselia followed her Trainer into the Distortion World, where she squared up against her nemesis, Darkrai, whom Sird had released there due to it being too difficult to control. Darkrai was later taken control of by Charon, who used it and to battle Sinnoh's other Legendary Pokémon. When Charon tried to escape, rode on Cresselia to pursue him. Once Charon had been defeated, Darkrai departed to parts unknown, while Cresselia chose to stay with Palmer.
===Pocket Monsters DP===
A Darkrai appeared in The Illusory Pokémon Darkrai Appears!!.
===Movie adaptations===
Darkrai plays a major role in the first Pokémon the Series: Diamond and Pearl , The Rise of Darkrai. Likewise, it appears in the of the film by Ryo Takamisaki.
===Pokémon Try Adventure===
A Cresselia debuted in TA26.
==Related articles==
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Category:Fanon terminology
Category:Groups of Legendary and Mythical Pokémon
fr:Duo lunaire
it:Duo Lunare
zh:梦与月的宝可梦