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>Pokémon S/M Pokédex
>gives holographic backgrounds to Legendary Pokémon
>the Island Guardians, while not receiving the holographic background, are given uniquely-colored green backgrounds
>shares this with Type: Null, Silvally, and the UBs
>people take this as a sign that the Island Guardians are not Legendary, just special
>Pokémon Bank National Pokédex
>only box mascots (plus Zygarde and Necrozma) and event Pokémon are given the holographic frames
>no trios, duos, or anything else gets these
>not even Mewtwo
So... are the Island Guardians Legendary Pokémon? Because according to Pokémon Bank, they are on the same level as Entei or a Volbeat. What did they mean by this?