In Pokémon Sun and Moon, some Pokémon with regional forms were introduced. Regional forms Main article: Regional form Mega Evolutions can have different appearances, types, stats, and abilities from the base form. In general, these Pokémon are able to Mega Evolve in battle if the trainer owns a Key Stone and the Pokémon is holding the Mega Stone specific to their species. In Pokémon X and Y, Mega Evolution for some Pokémon was introduced. Pokémon with multiple forms Mega Evolutions Main article: Mega Evolution Castform), while others are fixed and cannot be changed (e.g. Some Pokémon with form differences can change between their forms (e.g. Among these are several Legendary and Mythical Pokémon, whose unique forms can be changed between at will and are usually spelled as Formes (Japanese: フォルム Forme). In Generation VI onwards, the sprite can be changed as long as the player has owned the Pokémon.Īt times, these differences are purely cosmetic and have no bearing on the difference in the Pokémon's stats from another however, several Pokémon differ in stats (other than HP), type, and Ability depending on their form. This option is automatically applied in Pokémon Black 2 and White 2. In Pokémon Black and White, the sprite displayed in the Pokédex can be changed after interacting with Cedric Juniper in Mistralton City, even to a Shiny sprite, if it has been encountered. From Generation II to IV, whichever sprite is seen first will be the one displayed in the Pokédex by default e.g., if West Sea Shellos was encountered first its sprite will appear in the Pokédex by default, whereas if East Sea Shellos was encountered first its sprite will. Starting in Pokémon HeartGold and SoulSilver, every official different form has a name given by the Pokédex, with the exceptions of Arceus, Genesect, and Furfrou's alternate forms, which were registered in the Pokédex starting in Pokémon Omega Ruby and Alpha Sapphire. These variations all have differing sprites or models in the games and are recognized by the 'forms' section of the Pokédex.

Some Pokémon have official major variations between individuals, known as forms (Japanese: すがた form).

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