Multitype is a unique ability exclusively associated with Arceus, the legendary Pokémon often referred to as the "Original One." This ability allows Arceus to change its type according to the Plate or Z-Crystal it holds. For example, if Arceus is holding a Flame Plate, it becomes a Fire-type Pokémon; if it holds a Splash Plate, it transforms into a Water-type Pokémon, and so on. In total, Arceus can shift between 18 different types, covering every type in the Pokémon universe.
Effects and Characteristics: - Type Transformation: Upon holding a specific Plate or Z-Crystal, Arceus immediately changes to the corresponding type. This change affects Arceus's type-based resistances, weaknesses, and STAB (Same Type Attack Bonus) benefits. - Aesthetic Changes: Along with the type change, Arceus's appearance, especially its color scheme and some design details, alters to reflect the type