From Bulbapedia, the community-driven Pokémon encyclopedia.
Cosmoem (Japanese: コスモウム Cosmovum) is a Psychic-type Legendary Pokémon introduced in Generation VII.
It evolves from Cosmog starting at level 43 and evolves into either Solgaleo or Lunala starting at level 53 depending on the game it evolves in. In Pokémon Sun, Ultra Sun, Sword, and Scarlet it evolves into Solgaleo, and in Pokémon Moon, Ultra Moon, Shield, and Violet it evolves into Lunala.
Biology
Cosmoem is a Pokémon in the shape of a translucent, dark-blue orb with a starscape pattern set in a golden shell-like structure. The main portion of the shell is a flat oval around the center of the orb. Eight more flat, half-oval projections surround the orb in an asterisk-shape. At the center of the main body is a much smaller black core. The upper half of the core has a thin blue line on the front, back, and each side, while the lower has pink lines. On the front are two orange semicircles, which appear to be closed eyes. The overall shape of this Pokémon also resembles an eye. When evolving, the Pokémon glows either an orange or a purple color, correlating to Solgaleo and Lunala respectively, gaining traits of either a stylized sun or a stylized moon.
Encased in its sturdy, cocoon-like shell, Cosmoem is unable to move. In Pokémon Refresh, it cannot even eat. It grows as it absorbs starlight and the dust in the air. Its body is warm to the touch. Cosmoem's shell is said to be harder than any known material. In the ancient times, it was known as "The cocoon of the stars" by the people of Alola.
Cosmoem is one of the shortest Pokémon in existence. Despite this, it is also the heaviest Pokémon in existence, being tied with Celesteela. Cosmoem's height in the Pokédex is actually measured by its width, rather than its height, as seen in its concept art.
Evolution
Cosmoem evolves from Cosmog and evolves into either Solgaleo or Lunala.
(For specifics on this Pokémon's evolution in the games, refer to Game data→Evolution data.)
Game data
NPC appearances
- Main article: Nebby
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Spoilers end here.
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Pokédex entries
| This Pokémon was unavailable prior to Generation VII.
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| Generation VII
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Alola
S M : #290
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Alola
US UM : #388
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Kanto
#—
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| This Pokémon has no Pokédex entries in Let's Go, Pikachu! and Let's Go, Eevee!.
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| Sun
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Motionless as if dead, its body is faintly warm to the touch. In the distant past, it was called the cocoon of the stars.
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| Moon
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There's something accumulating around the black core within its hard shell. People think this Pokémon may come from another world.
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| Ultra Sun
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The king who ruled Alola in times of antiquity called it the “cocoon of the stars” and built an altar to worship it.
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| Ultra Moon
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As it absorbs light, Cosmoem continues to grow. Its golden shell is surprisingly solid.
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| Generation VIII
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Galar
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Sinnoh
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Hisui
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| This Pokémon has no Pokédex entries in Brilliant Diamond, Shining Pearl, and Legends: Arceus.
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| Sword
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The absorption of starlight fuels this Pokémon's growth. The shell that encases it is harder than any known material.*
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| Shield
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It sucks in dust from the air at an astounding rate, frantically building up energy within its core as preparation for evolution.*
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Game locations
| This Pokémon was unavailable prior to Generation VII.
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In side games
| This Pokémon was unavailable prior to Generation VII.
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| Generation VIII
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| This Pokémon is unavailable in Generation VIII side games.
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Stats
Base stats
| Stat
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Range
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| At Lv. 50
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At Lv. 100
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43
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103 - 150
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196 - 290
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29
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30 - 89
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56 - 172
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131
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122 - 201
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240 - 397
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29
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30 - 89
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56 - 172
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131
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122 - 201
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240 - 397
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37
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37 - 97
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71 - 190
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Total: 400
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Other Pokémon with this total
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- Minimum stats are calculated with 0 EVs, IVs of 0, and (if applicable) a hindering nature.
- Maximum stats are calculated with 252 EVs, IVs of 31, and (if applicable) a helpful nature.
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Type effectiveness
| Under normal battle conditions in Generation IX, this Pokémon is:
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Learnset
Cosmoem is available in Scarlet and Violet Version 3.0.0+.
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- Bold indicates a move that gets STAB when used by Cosmoem
- Italic indicates a move that gets STAB only when used by an Evolution of Cosmoem
- Click on the generation numbers at the top to see level-up moves from other generations
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- Bold indicates a move that gets STAB when used by Cosmoem
- Italic indicates a move that gets STAB only when used by an Evolution or an alternate form of Cosmoem
- Click on the generation numbers at the top to see TM moves from other generations
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- Moves marked with an asterisk (*) must be chain bred onto Cosmoem
- Bold indicates a move that gets STAB when used by Cosmoem
- Italic indicates a move that gets STAB only when used by an Evolution of Cosmoem
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- Bold indicates a move that gets STAB when used by Cosmoem
- Italic indicates a move that gets STAB only when used by an Evolution of Cosmoem
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Side game data
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Pokémon Rumble Rush
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Walking Speed: 2.08 seconds
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Base HP: 46
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| Base Attack: 72
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Base Defense: 64
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Base Speed: 60
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Pokémon GO
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Base HP: 125
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Base Attack: 54
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Base Defense: 242
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| Egg Distance: N/A
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Buddy Distance: 20 km
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Evolution Requirement:
 100 +  → 
100 +  → 
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| Fast Attacks: Splash
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| Charged Attacks: Struggle
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Evolution data
Sprites
| This Pokémon was unavailable prior to Generation VII.
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In the anime
Main series
Major appearances
Cosmoem debuted in Faba's Revenge!, where Ash's Cosmog, Nebby, evolved into one after being trapped in a device constructed by Faba. Nebby later evolved into a Solgaleo in Revealing the Stuff of Legend! after being blessed by the guardian deities.
Minor appearances
Pokédex entries
| Episode
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Pokémon
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Source
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Entry
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| SM050
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Cosmoem
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Rotom Pokédex
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Insufficient data. Unable to determine! Impossible!
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Pokémon Evolutions
In The Eclipse, a Cosmoem nicknamed Nebby was used by Lusamine to open an Ultra Wormhole. It later evolved into Lunala at the Altar of the Moone and battled Necrozma.
In the manga
Pokémon Adventures
- Main article: Lunala (Adventures)
- Main article: Solgaleo (Adventures)
Nebby was revealed to have evolved into a Cosmoem in A Raid and Po Town. It later evolved into Lunala.
A Cosmog that was given to Guzma by the Aether Foundation was revealed to have evolved into a Cosmoem in Battle in Vast Poni Canyon. It reappeared in Play the Melody That Echoes in the Altar, evolving into Solgaleo soon after.
In the TCG
- Main article: Cosmoem (TCG)
Trivia
- In Pokémon Sun and Moon, Cosmoem has a base experience yield of 80.
- Cosmoem is the smallest and heaviest of all Psychic-type Pokémon.
- Cosmoem is also the smallest of all Legendary Pokémon, and tied with Celesteela for the heaviest of all Pokémon.
- With its pre-evolved form weighing in at 0.1 kg (0.2 lbs.) and Cosmoem at 999.9 kg (2204.4 lbs.), the evolution from Cosmog to Cosmoem is the largest increase in weight due to evolution, with an increase of 999,800%.
- Cosmoem also loses the most weight out of any Pokémon upon evolution when it evolves into Lunala (120.0 kg at (264.6 lbs.)) , who weighs 879.9 kilograms less than Cosmoem.
- In games prior to Pokémon Scarlet and Violet, Cosmoem has a catch rate of 45.
- Cosmoem and its pre-evolved form, Cosmog, are the only Pokémon who are unable to damage an opponent outside of Struggle.
- Cosmoem's evolution from Cosmog has the greatest standard deviation of all Pokémon, with 47.14, meaning that the changes to its base stats on evolving are the most uneven out of all Pokémon.
- Cosmoem has the fewest learnable moves out of all evolved Pokémon, with only three moves that it can learn.
- Cosmoem, Cosmog, and Type: Null were the first instances of Legendary Pokémon able to evolve, with all three debuting in Pokémon Sun and Moon.
- Cosmoem has the highest Special Defense of all Pokémon that can still evolve.
Origin
Cosmoem has characteristics of both a stylized sun and a stylized moon, having rays and a pair of crescents, respectively. Its enormous weight despite its extremely small size shares similarities with super-compressed astronomical bodies such as black holes and neutron stars. Given its description, it seems to be an embodiment of star formation in general. It may also be based on the idea of the world egg. When viewed from the front, its shape resembles an eye.
Name origin
Cosmoem may be a combination of cosmos, ovum (Latin for egg), and embryo.
Cosmovum may be a combination of cosmos and ovum.
In other languages
| Language
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Title
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Meaning
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 Japanese
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コスモウム Cosmovum
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From cosmos and ovum
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 French
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Cosmovum
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From its Japanese name
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 Spanish
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Cosmoem
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Same as English name
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 German
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Cosmovum
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From its Japanese name
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 Italian
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Cosmoem
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Same as English name
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 Korean
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코스모움 Cosmovum
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Transcription of Japanese name
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 Mandarin Chinese
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科斯莫姆 Kēsīmòmǔ
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Transcription of Japanese name
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 Cantonese Chinese
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科斯莫姆 Fōsīmohkmóuh
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Mandarin-based transcription of Japanese name
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| More languages
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 Hindi
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कॉज़्मोएम Cosmoem
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Transcription of English name
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 Russian
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Космоем Kosmoyem
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Transcription of English name
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 Thai
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คอสโมม Khotmom
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Transcription of Japanese name
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Related articles
External links
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This Pokémon article is part of Project Pokédex, a Bulbapedia project that aims to write comprehensive articles on each Pokémon species, as well as Pokémon groups and forms.
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For other sprites and images, please see Cosmoem images on the Bulbagarden Archives.
