Plates
Plates are Items that can be used to change Arceus' forme and type. There are 17 sorts of Plates: 1 for every type, except the Normal type.
Use
Plates act like Forme-Change Items. When held by an Arceus, Arceus temporarily changes its forme to match the Plate's type. When Arceus is not holding a Plate, it reverts back to its Normal Forme.
Obtaining Plates
Plates are extremely rare items that can only be found in Boxes. In order to have a chance to find them the player needs to unlock Arceus first.
List of Plates