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A Griseous Orb is a held item that increases the strength of Giratina's Dragon- and Ghost-type moves by 20%. A Giratina that holds it will switch to Origin Forme until the item is removed. It has no effect when held by any other Pokémon.
It is a possible drop from Uncommon and Rare Boss Pokémon, and can be found in chests within the Nether Fortress.
When used on a Timespace Altar that has been activated with a Red Chain, a Griseous Orb will summon Giratina.
Pokémon drops
| Pokémon | Chance | Quantity |
|---|---|---|
| Giratina | 5% | 1 |
