There is a YouTube video that shows someone fighting the Arceus in the Hall of Origin and then picking up the ??? Plate. This plate is given to Arceus and then it's type literally changes from Normal to ???.
Skip to 5:26 of the following YouTube video:
https://www.youtube.com/watch?v=-_wU0h9UlYE
Where can I find the code for this cheat?
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