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The Griseous Orb is an exclusive item for Giratina that is found in Pokémon Platinum, Black, White, Black 2, White 2, X & Y.
This item is the only way to transform Giratina into its Origin Forme. When held on to Giratina, it changes to Origin Forme and its Distortion World. If so, it can be found in an alternate part of the Distortion World which can be accessed inside Turnback Cave after the player has solved its puzzle. In Pokémon White &Black, it can be obtained from the Shadow Triad on Marvelous Bridge after the story's completion. In Pokémon Black 2/White 2, the Griseous Orb can be found in Dragonspiral Tower, along with the Adamant Orb and the Lustrous Orb, just before the player can catch Zekrom/Reshiram. In X/Y, the Griseous Orb, along with the Adamant and Lustrous can be found in Terminus Cave, at the lowest level just before the player can catch Zygarde.and -type attacks increase in power. The item can only be found if the player has caught Giratina from the
- The Griseous Orb is actually crystal-like in shape, not spherical like the Adamant Orb and the Lustrous Orb.
- If a Giratina with the Griseous Orb is taken into a battle against a player with Diamond or Pearl, the Griseous Orb will go back to the player's bag. This is probably because Origin Forme is exclusive to Platinum only.
- If a Giratina with the Griseous Orb is traded with another Gen IV game, then the Griseous Orb will go back to the player's bag. This is probably because Origin Forme is exclusive to Platinum only.
- Prior to Gen V, only Giratina could hold the Griseous Orb.
- In Gen V, the Griseous Orb can now be held by other Pokémon as well as be traded between Gen V games.