Stats & Training
Castform's stats barely vary. None sit in respectable range with no real gaps. It's a blank slate for EV investment. Worth 1 HP EV, medium-fast 1M XP curve to max.
It has the ability to change its form into the sun, the rain, or a snow cloud, depending on the weather.
It has the ability to change its form into the sun, the rain, or a snow cloud, depending on the weather.
Castform Weakness
Castform's Normal typing leaves it vulnerable to Fighting. It shrugs off Ghost-type attacks completely. Only 1 weakness makes it relatively easy to build around defensively.
| Damage | Types |
|---|---|
| 2x (Weak) | Fighting |
| 0x (Immune) | Ghost |
- Dark and Steel types added — Fairy does not exist yet
- Moves are Physical or Special based on type, not per move
In FireRed & LeafGreen, Heracross can KO Castform with Megahorn (91-107%).
 Heracross BugFighting | B | |
Recommended Build AbilitySwarm ItemSalacberry NatureJolly Moves
Damage vs Castform View Heracross builds →Megahorn91-107%KO Rock Slide38-45% | ||
FireRed & LeafGreen Evolution
No evolution chain to worry about here. Castform is a standalone Pokemon with a decent partner pool for breeding through two egg groups. Eggs come out average hatch time. View every chain in the Evolution Chart.
How to Evolve
Breeding
Breed Castform easily with 22 breeding partners from the Indeterminate and Fairy egg groups. Pass egg moves like Future Sight, Psych Up to offspring.
FireRed & LeafGreen Castform Best Moveset
This build takes hits and hits back. Leftovers provides passive recovery each turn, Forecast supports the gameplan, and max Sp. Atk and Speed EVs mean Castform doesn't crumble to chip damage. Plus Electric coverage backing it up.
Best Build
Castform best EVs are Sp. Atk and Speed
Special Attacker Moveset
- Weather Ball
- Rain Dance
- Thunder
- Thunder Wave
Recommended Teammates
Moves
Without TMs, Castform's movepool is bare bones. With them, you get coverage across 8 types on top of Double-Edge and Body Slam for STAB. The natural kit handles basics, but TMs are doing the real work.
Level-Up Moves
TM Moves
Egg Moves
Tutor Moves
How to Get Castform in FireRed & LeafGreen
Castform doesn't appear in FireRed & LeafGreen. Transfer it from Ruby, Emerald, or Sun to add it to your collection. Check the source games below for encounter details.
Castform is not available as a wild encounter in this game.
Receive as a gift in:
Then trade to FireRed & LeafGreen.
Also found in:
Castform Guide
In FireRed & LeafGreen, watch for Machamp (Fighting) when using Castform. They all hit it super-effectively with STAB. Only 1 weakness means fewer dedicated counters to worry about.
For FireRed & LeafGreen, it depends on your team. Castform at 420 BST isn't a powerhouse, but the Normal coverage might be exactly what you're missing.
In FireRed & LeafGreen, Castform has a 420 base stat total and ranks as D-Tier: outclassed by other options available in FireRed & LeafGreen. It works best as a balanced. Weatherball with Leftovers is the standard set.
Forecast changes Castform's type and form to match the weather. That's the one you want on Castform. It's the only ability Castform has.
In FireRed & LeafGreen, Normal typing gives Castform 1 resistances plus Ghost immunity. HP at base 70 is the top stat. 420 BST gives it a workable foundation.
Game Availability
Castform first appeared in Ruby & Sapphire and has been available in 13 games across 8 generations. Obtainable through wild encounters in most titles where it appears.
Click a game to view version-specific details
- Gen 1Y
Yellow - Gen 1RB
Red & Blue - Gen 2GS
Gold & Silver - Gen 2C
Crystal - Gen 3RSDebut
Ruby & Sapphire - Gen 3FRLG
FireRed & LeafGreen - Gen 3E
Emerald - Gen 4Pt
Platinum - Gen 4HGSS
HeartGold & SoulSilver - Gen 4DP
Diamond & Pearl - Gen 5BW
Black & White - Gen 5B2W2
Black 2 & White 2 - Gen 6XY
X & Y - Gen 6ORAS
Omega Ruby & Alpha Sapphire - Gen 7USUM
Ultra Sun & Ultra Moon - Gen 7SM
Sun & Moon - Gen 7LGPE
Let's Go Pikachu & Eevee - Gen 8SwSh
Sword & Shield - Gen 8PLA
Legends: Arceus - Gen 8BDSP
Brilliant Diamond & Shining Pearl - Gen 9SV
Scarlet & Violet - Gen 9LZA
Legends: Z-A - Gen 10WW
Winds & Waves