Regional Variants were first introduced to the Pokémon series in 2016's Pokémon Sun and Pokémon Moon, and they also feature in Pokémon GO. Set in the tropical Alola region, these games debuted new forms of fan-favorite critters such as Raichu and Vulpix and set a precedent for how new installations in the Pokémon franchise can refresh older species while simultaneously building unique cultures in new generations and regions.
The franchise's next generation, which was ushered in by 2019's Pokémon
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