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Damage multipliers this Pokemon takes from each attacking type (based on the current form).
Damage multipliers of this Pokemon's same-type (STAB) moves against each defending type.
PelipperWater20.0%
ArchaludonSteelDragon20.0%
NinetalesFire20.0%
Pyroar-MegaFireNormal20.0%
VileplumeGrassPoison20.0%
RotomElectricGhost0.0%
Malamar-MegaDarkPsychic0.0%
DiggersbyNormalGround0.0%
Focus SashHeld: Holder survives any single-hit attack at 1 HP if at max HP, then the item is consumed.100.0%
Sitrus BerryHeld: Consumed at 1/2 max HP to recover 1/4 max HP.0.0%
Choice ScarfHeld: Increases Speed by 50%, but restricts the holder to only one move.0.0%
LeftoversHeld: Restores 1/16 (6.25%) holder’s max HP at the end of each turn.0.0%
Wise GlassesHeld: Boosts the damage of special moves used by the holder by 1/10 (10%).0.0%High-firepower meta Pokémon that hit it super-effectively by type (estimated, not battle data)
Conkeldurr×2
Koraidon×2
Crabominable×2
Machamp×2
Sneasler×2
Iron Valiant×2Based on real ladder matchup statistics and expert community assessments (data snapshot 2026-05)
Castform barely appears in high ladder (0.13%) and all-tier (0.04%), with minimal sample size (192 games). While Forecast theoretically enables automatic weather-based transformations, in single-format's fast-paced 6v6 gameplay, it lacks both offensive pressure and defensive reliability to compete with meta standards.
Doubles usage is only 0.02%. While move diversity includes Icy Wind (10.4%) and Weather Ball (9.9%), these cannot overcome base stats of 70 across the board. In doubles, faster cores and weather teams have significantly better options; Castform cannot compete.