Castform
ポワルン Powalen
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Artwork of Normal Castform from R/S/E
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| EV yield
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HP
1
| Atk
0
| Def
0
| Sp.Atk
0
| Sp.Def
0
| Speed
0
| Exp.
145
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Castform (Japanese: ポワルン Powalen) is a Normal-type Pokémon whose type can change to Fire, Water, or Ice depending on the current weather.
It is not known to evolve into or from any other Pokémon.
Biology
Physiology
Castform is a small, grayish Pokémon that resembles a cloud. Castform appears to have a pair of white goggles; however, Castform's appearance (and type) can change depending on the weather.
In strong sunlight, Castform's lower half becomes pure white while the head turns orange with smaller orange balls surrounding it. This gives Castform's head a shape that is similar to the sun.
During rain, Castform's lower half becomes a darker shade of gray. The head is blue, resembling a drop of rain.
In hail or snowy weather, Castform's head turns purplish-blue. The rest of of the body changes into a mint green cumulonimbus cloud.
Strangely, Castform does not have a form for sandstorms or fog.
Gender differences
None.
Special abilities
Castform has the aforementioned ability to change its form with the weather (even though it lacks forms for sandstorms and fog). Castform is capable of various Fire-, Water-, Ice-, Electric- and Grass-type moves. Castform is one of the few Pokémon that can learn Weather Ball (the others are Lugia, Ho-Oh, and Roserade).
Behavior
Habitat
Castform prefers grassland.
Diet
- Main article: Pokémon food
In the anime
A Castform from the Weather Institute changed into various forms in Unfair Weather Friends.
Pokédex entries
| This concludes the entries from the Advanced Generation series.
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In the manga
A Castform, nicknamed Popo, belongs to Ruby in Pokémon Adventures. Previously, she belonged to Mr. Stone, who was injured in an attack by Team Aqua. Popo was then given to Gabby and Ty to be cared for while he was being healed. She later decided to travel with Ruby when he began traveling with the reporters because she was lonely. Until he was reunited with Ruru, Popo was Ruby's Smart contest Pokémon.
Pokédex entries
| Manga
| Chapter
| Entry
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| Pokémon Adventures
| PS189
| This Pokémon changes its form according to the weather. It has learned to protect its small body using the powers of the nature.*
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In the TCG
- Main article: Castform (TCG)
Other appearances
Castform was featured as one of the Pokémon released from a Poké Ball in the demo of Super Smash Bros. Brawl that appeared at Jumpfesta.
Game data
Pokédex entries
| Gen
| Game
| Pokédex entry
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| I
| This Pokémon was not available in Generation I.
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| II
| This Pokémon was not available in Generation II.
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| III
| Ruby
| Castform's appearance changes with the weather. This Pokémon gained the ability to use the vast power of nature to protect its tiny body.
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| Sapphire
| Castform borrows the power of nature to transform itself into guises of the sun, rain clouds, and snow clouds. This Pokémon's feelings change with the weather.
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| Emerald
| It alters its form depending on the weather. Changes in the climate such as the temperature and humidity appear to affect its cellular structure.
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| FireRed
| It has the ability to change its form into the sun, the rain, or a snow cloud, depending on the weather.
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| LeafGreen
| It has the ability to change its form into the sun, the rain, or a snow cloud, depending on the weather.
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| IV
| Diamond
| Its appearance changes with the weather. Recently, its molecules were found to be just like water.
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| Pearl
| Its appearance changes with the weather. Recently, its molecules were found to be just like water.
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| Platinum
| Its appearance changes with the weather. Recently, its molecules were found to be just like water.
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| HeartGold
| きおんや しつどの へんかが からだの さいぼうに えいきょうして すがたを かえる ポケモン。
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| SoulSilver
| きおんや しつどの へんかが からだの さいぼうに えいきょうして すがたを かえる ポケモン。
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Game locations
In side games
Stats
Base stats
| Stat
| Range
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| At Lv. 50
| At Lv. 100
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| 130 - 177
| 250 - 344
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| 67 - 134
| 130 - 262
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| 67 - 134
| 130 - 262
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| 67 - 134
| 130 - 262
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| 67 - 134
| 130 - 262
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| 67 - 134
| 130 - 262
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- Minimum stats are calculated with 0 EVs, IVs of 0, and a hindering nature.
- Maximum stats are calculated with 252 EVs, IVs of 31, and a helpful nature.
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Pokéthlon stats
Type effectiveness
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Normal Castform
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| Weak to
| Resistant to
| Immune to
| Normal effectiveness
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Sunny Castform
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| Weak to
| Resistant to
| Immune to
| Normal effectiveness
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Rain Castform
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| Weak to
| Resistant to
| Immune to
| Normal effectiveness
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Snow-cloud Castform
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| Weak to
| Resistant to
| Immune to
| Normal effectiveness
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Learnset
Castform is capable of learning the following moves in Generation IV.
- Moves in bold are damaging moves to which STAB applies.
Moves in Italics aren't STAB in the Normal form, but are for some of its other forms.
Generation IV
Other generation learnsets: III
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| Father
| Move
| Type
| Cat.
| Pwr.
| Acc.
| PP
| Contest
| Appeal
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Slugma, Magcargo
Gulpin, Swalot
| Amnesia
| Psychic
| Status
| —
| —%
| 20
| Cute
| 0
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Jigglypuff, Wigglytuff
Grimer, Muk
Duskull, Dusclops, Dusknoir
| Disable
| Normal
| Status
| —
| 80%
| 20
| Smart
| 2 ♥♥
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Ralts, Kirlia, Gardevoir
Duskull, Dusclops, Dusknoir
| Future Sight
| Psychic
| Special
| 80
| 90%
| 15
| Smart
| 2 ♥♥
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Clefairy, Clefable
Ralts, Kirlia, Gardevoir
Cherubi, Cherrim
Mismagius
| Lucky Chant
| Normal
| Status
| —
| —%
| 30
| Cute
| 2 ♥♥
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Drifloon, Drifblim
Spiritomb
| Ominous Wind
| Ghost
| Special
| 60
| 100%
| 5
| Smart
| 0
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Togetic, Togekiss
Hoppip, Skiploom, Jumpluff
Misdreavus, Mismagius
Skitty, Delcatty
Mawile
| Psych Up*
| Normal
| Status
| —
| —%
| 10
| Smart
| 0
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Bold indicates a move that gets STAB
Italic indicates a move that gets STAB from an evolution or alternate form of this Pokémon
*Indicates a move only available by chain breeding
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Side game data
Evolution
Sprites
Trivia
- Castform's weather-based transformations are the same color whether or not it is shiny.
- When Castform undergoes a weather-based transformation, the graphical interlude is the same as that of a Pokémon using the move Transform.
- It is the only Pokémon able to learn both Ember and Water Gun, as well as the only Pokémon able to learn both Ember and Powder Snow.
- Castform will not transform in fog, during a sandstorm or in Shadow Sky.
- Castform's Weather Ball will always receive STAB, even when its form is changed, except in a sandstorm, when Shadow Sky is active, or if it loses its ability because of Gastro Acid or Skill Swap.
- Castform and Cherrim are the only Pokémon to date that change with the weather.
- They are also the only fully-evolved Pokémon that can change forms freely and are not banned from tournaments.
- For some reason, in Pokémon Mystery Dungeon 2, it is a body size 4 despite it being a body size 1 in the first Mystery Dungeon games and its in-game sprite still being the same size in the second Mystery Dungeon games.
- Castform's weather-based transformations cannot be viewed in the forms section of the Pokédex, nor do they appear on the field in Pokémon HeartGold and SoulSilver.
- Despite several Pokédex entries stating that its molecules are just like water, it is not a Water-type Pokémon, though it does become one in Rain
Origin
It appears to be intended to resemble and act like a living cloud. Its ability to change shape and type depending on the weather condition makes similar to a weather balloon. It's also similar both in concept and design to a teru teru bozu, a Japanese charm doll used to wish for good weather.
Name origin
Castform's name seems to be a combination of forecast, predict the weather, and transform, referring to its ability to change type depending on the weather. The German and French names refer to this also. Its Japanese name may be a combination of 天気予報 tenkyohō, weather forecast, and 変わる kawaru, to change or transform.
In other languages
External links
Body size: 4
For other sprites and images, please see Castform images on Bulbagarden Archives.
