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What's next, an evolution requiring an item that can only be found in the post-game at a certain time of day, which in turn requires the Pokémon holding the item to be traded to the OPPOSITE version of the game because the evolution requires the Pokémon to be at a certain location in the version of a game you don't have, and this has to be during within a certain timeframe after the player does a certain sequence, on a Monday.
Just for it to be an absolute shitmon with a movepool worse than Typhlosion's, a typing worse than Abomasnow, and stats worse than Unown.