Griseous Core
Legends: Arceus
Legends: ArceusShowing Legends: Arceus. Items may require trading, an event, or downloadable content.
When used on Giratina, this large, glowing gem wells with power and allows the Pokémon to change form.
Category: Key Items
Sources: PokéAPI, PKHeX game records, Pokémon Showdown and Serebii.
