Simple
#086
Effect
Each stage of this Pokémon's stat modifiers acts as two stages. These doubled stages are still limited to a minimum of -6 and a maximum of 6. This Pokémon can still accumulate less than -3 or more than 3 stages of stat modifiers, even though the extra ones have no effect after doubling.
Short Description
Doubles the Pokémon's stat modifiers. These doubled modifiers are still capped at -6 or 6 stages.
In-Game Descriptions
Diamond PearlPlatinumHeartgold SoulsilverBlack WhiteBlack 2 White 2X YOmega Ruby Alpha Sapphire
“The Pokémon is prone to wild stat changes.”
Sun MoonUltra Sun Ultra MoonLets Go Pikachu Lets Go EeveeSword Shield
“The stat changes the Pokémon receives are doubled.”
Scarlet Violet
“Doubles the effects of the Pokémon's stat changes.”