Odd Keystone

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Odd Keystone
かなめいし
Keystone
Bag Odd Keystone Sprite.png
Odd Keystone
Pokémon Global Link artwork
Introduced in Generation IV
Pocket
Generation IV Bag Items pocket icon.png Items
Generation V Bag Items pocket icon.png Items
Generation VI Bag Items pocket icon.png Items
Generation VII Bag Items pocket icon.png Items
Generation VIII Bag Other Items pocket icon.png Other Items (BDSP)
Generation VIII Bag Key items pocket icon.png Key items (LA)
Generation IX Bag Other Items pocket icon.png Other Items
Fling
Power 80

The Odd Keystone (Japanese: かなめいし Keystone) is a type of item introduced in Generation IV. Odd Keystones act like containers, capable of trapping and binding Spiritomb inside themselves. All Spiritomb use it as a base. In Pokémon Legends: Arceus, the Odd Keystone is a Key item.

In the core series games

Price

Games Cost Sell price
DPPtHGSS
BWB2W2
XYORAS
SMUSUM
BDSP
N/A $1,050
SV N/A $525

In the Generation V games, the Odd Keystone can be sold to the ore maniac inside the Icirrus City Pokémon Center for $3000.

Effect

Pokémon Diamond, Pearl, Platinum, Brilliant Diamond, and Shining Pearl

In Pokémon Diamond, Pearl, and Platinum and Pokémon Brilliant Diamond and Shining Pearl, an Odd Keystone can be placed in the Hallowed Tower, which is located on Route 209 in the Sinnoh region. This item has no use in other regions.

If the player talks to 32 or more other players in the Sinnoh UndergroundDPPt/32 or more NPCs in the Grand UndergroundBDSP after placing the Odd Keystone, a wild Spiritomb will be encountered the next time the player inspects the Hallowed Tower.

In Pokémon Diamond, Pearl, and Platinum, while in theory it is necessary to talk to 32 different players, in practice another player can be counted twice as long as the player themselves leaves the Underground or enters their Secret Base using the "close door and decorate" function between the interactions; this potentially allows a player to encounter Spiritomb by interacting with the same player 32 times.

Once placed in Hallowed Tower, the player can check the Odd Keystone to track their progress. The message gradually changes as the player interacts with more players in the Underground.

Pokémon Legends: Arceus

In Pokémon Legends: Arceus, after the player obtains the Odd Keystone from Vessa, they are tasked to find 107 wisps throughout Hisui. The number of wisps collected is shown on the Odd Keystone in the satchel. After the 107 wisps are found and the player talks to Vessa again, the player is tasked to go to the Shrouded Ruins to find Vessa and the final wisp. After the final wisp is found, the Odd Keystone disappears, and upon interacting with the mysterious statue in the shape of the Odd Keystone, the player can encounter Spiritomb.

Description

Games Description
DPPtHGSS
BWB2W2
XYORAS
SMUSUMPE
SwShBDSP
SV
A vital item that is needed to keep a stone tower from collapsing. Voices can be heard from it occasionally.
LA A mysterious stone that can be used to collect wisps that glow with an eerie purple light.

Acquisition

Games Finite methods Repeatable methods
DPPt Twinleaf Town, Route 208 Underground
HGSS Trade
BW Trade
B2W2 Join Avenue (Antique Shop)
BDSP Twinleaf Town, Route 208 Grand Underground
LA Jubilife Village (from Vessa after completing Mission 7: "The Frenzy of the Lord of the Woods")

Gallery

Game assets

Sprites and models

Mine Odd Keystone.png Odd Keystone ORAS.png Mine Odd Keystone BDSP.png Bag Odd Keystone LA Sprite.png Bag Odd Keystone SV Sprite.png
Underground sprite from
Diamond, Pearl, and Platinum
Model from
Omega Ruby and Alpha Sapphire
Grand Underground sprite from
Brilliant Diamond and Shining Pearl
Bag sprite from
Legends Arceus
Sprite from
Scarlet and Violet

Other appearances

Spiritomb, with the Odd Keystone visible at the base of its body
Encountering Spiritomb at Sea Mauville

The Odd Keystone is clearly visible on Spiritomb's body.

In Pokémon Omega Ruby and Alpha Sapphire, an Odd Keystone appears in the overworld on Sea Mauville. It appears just before the player faces Spiritomb and therefore cannot be collected. Documents aboard the ship reveal it was originally donated by the Oreburgh Mine.

In Pokémon Legends: Arceus, an enormous statue in the shape of an Odd Keystone appears in the Shrouded Ruins. By interacting with the statue after obtaining all 108 wisps, the player can face Spiritomb.

In spin-off games

Pokémon Mystery Dungeon series

In Pokémon Mystery Dungeon: Explorers of Time, Darkness, and Sky, when the player and partner reach Sealed Ruin Pit, they see an Odd Keystone, not realizing it is a Pokémon. Suddenly, it will reveal itself to be Spiritomb and attack the duo.

In Pokémon Mystery Dungeon: Explorers of Time, Darkness, and Sky, Spiritomb's sleeping sprites involve it returning to the Odd Keystone.

In animation

An Odd Keystone in Pokémon the Series

In The Keystone Pops!, while Ash and Dawn were having a practice battle between Buizel and Aipom, Buizel's Sonic Boom accidentally destroyed the Hallowed Tower, releasing a Spiritomb from the Odd Keystone sealed inside of it. Ash and Pikachu later battled Spiritomb, eventually defeating it and resealing it back into the Odd Keystone, which was then placed back into the rebuilt Hallowed Tower.

In The Spectral Express!, Ash and Goh came across an Odd Keystone aboard a ghost train. When Ash touched it, one of Spiritomb's spirits entered his body and possessed him into doing mischievous deeds. Angered by losing one of its spirits, Spiritomb emerged from the keystone and went on a rampage. Once the spirit was forced out of Ash's body and Ash's Gengar succeeded in returning it to Spiritomb, the Forbidden Pokémon calmed down and returned into its keystone. The keystone was later taken away by a group of Gastly and Haunter when the ghost train stopped at a cemetery.

In Bewitch, Battle, and Bewilder!, an Odd Keystone appeared as a part of Cynthia's Spiritomb.

In the manga

An Odd Keystone in Pokémon Adventures

Pokémon Adventures

Diamond & Pearl arc

Cynthia's Spiritomb is connected to an Odd Keystone, which was fully seen in Shunning Spiritomb, when the Forbidden Pokémon was frozen by Cyrus's Weavile and she retracted into the stone.

Platinum arc

An Odd Keystone appeared in Leaping Past Lopunny among the rare stones that Steven had found during his stay in Sinnoh.

Trivia

Red face on Alpha Spiritomb

In other languages

Language Title
Chinese Cantonese 楔石 Sitsehk
Mandarin 楔石 Xiēshí
Finland Flag.png Finnish Outo riimukivi
France Flag.png French Clé de Voûte
Germany Flag.png German Spiritkern
Italy Flag.png Italian Roccianima
South Korea Flag.png Korean 쐐기돌 Sswaegi Dol
Poland Flag.png Polish Dawne Więzienie*
Stary Kamień*
Brazil Flag.png Brazilian Portuguese Pedra sagrada*
Pedra única*
Spain Flag.png Spanish Piedra Espíritu*
P. Espíritu*
Piedra Base*
Vietnam Flag.png Vietnamese Đá Đỉnh Vòm

See also


Project ItemDex logo.png This item article is part of Project ItemDex, a Bulbapedia project that aims to write comprehensive articles on all items.