From Bulbapedia, the community-driven Pokémon encyclopedia.
This is a list of all the Key Items that are found in Generation IV. Please note that some of these are also part of the list of Key Items in Generation II due to Pokémon Gold and Silver being remade, and several appear in multiple generations.
Some items are specific to a certain region, while others can be found in both Sinnoh and Johto/Kanto.
Key Items found in all Generation IV games
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Cannot be bought
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Cannot be sold
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Effect:
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Allows for faster travel than walking or running. Players can press B to change between the two gear settings.
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Description
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DPPt HGSS
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A folding Bicycle that enables much faster movement than the Running Shoes.
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Cannot be bought
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Cannot be sold
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Description
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DPPt
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A case for holding Coins obtained at the Game Corner. It holds up to 50,000 Coins.
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HGSS
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A case for holding coins obtained at the Game Corner. It holds up to 50,000 coins.
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Cannot be bought
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Cannot be sold
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Description
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DPPt
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A fancy case for the tidy and organized storage of colorful Pokémon Accessories.
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HGSS
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A fancy case for the tidy arrangement and storage of whimsical Pokémon Accessories.
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Cannot be bought
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Cannot be sold
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Effect:
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Allows the player to fish in bodies of water. Better than the Old Rod.
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Description
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DPPt HGSS
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A new, good-quality fishing rod. Use it by any body of water to fish for wild aquatic Pokémon.
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Old Rod ボロのつりざお Worn-out Fishing Rod
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Cannot be bought
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Cannot be sold
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Effect:
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Allows the player to fish in bodies of water.
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Description
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DPPt
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An old and beat-up fishing rod. Use it by any body of water to fish for wild Pokémon.
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HGSS
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An old and beat-up fishing rod. Use it by any body of water to fish for wild aquatic Pokémon.
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Cannot be bought
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Cannot be sold
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Effect:
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Stores Friend Codes of other players.
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Description
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DPPt
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A convenient notepad that is used for registering your friends and keeping a record of game play.
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HGSS
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A convenient notepad that is used for registering your friends, Friend Codes, and keeping a record of game play.
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Cannot be bought
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Cannot be sold
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Description
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DPPt
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A case for storing Seals that can be applied to the capsule cases of Poké Balls.
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HGSS
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A case for storing Seals that can be applied to the Capsule cases of Poké Balls.
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Cannot be bought
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Cannot be sold
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Description
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DPPt HGSS
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A fantastic medicine dispensed by the pharmacy in Cianwood City. It fully heals a Pokémon of any ailment.
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Cannot be bought
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Cannot be sold
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Effect:
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Allows the player to fish in bodies of water. Best Rod of all.
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Description
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DPPt HGSS
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An awesome, high-tech fishing rod. Use it by any body of water to fish for wild aquatic Pokémon.
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This item was featured in the TCG.
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Key Items exclusive to Diamond and Pearl
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Cannot be bought
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Cannot be sold
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Description
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DP
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A card that lists the Battle Points you have earned.
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Cannot be bought
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Cannot be sold
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Description
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DPPt HGSS
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The key to Team Galactic's sinister warehouse located at the edge of Veilstone City.
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Note: In Pokémon Platinum, the key is taken and used by Looker, so it is never obtained by the player.
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Key Items exclusive to Diamond, Pearl, and Platinum
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Cannot be bought
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Cannot be sold
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Effect:
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Coupons needed to obtain the Pokétch.
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Description
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DPPt HGSS
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A coupon to be exchanged for a Pokémon Watch (Pokétch for short). Three coupons are needed.
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Note: These 3 items all have the same description, and function, but each has a different design on the ticket. They do not need to be collected in any specific order.
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Cannot be bought
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Cannot be sold
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Description
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DPPt
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A bag filled with convenient tools for exploring. It provides access to the Underground.
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Cannot be bought
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Cannot be sold
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Description
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DPPt HGSS
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A card key for disengaging security systems in the Galactic HQ. Losing it can result in punishment, apparently.
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Cannot be bought
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Cannot be sold
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Effect:
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Records limited notes on daily gameplay. It is brought up automatically when returning to the game after 2 or more days have passed without making a new save.
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Description
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DPPt
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A notebook that keeps a day-to-day record of your adventure so far.
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Cannot be bought
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Cannot be sold
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Effect:
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Used to cure the sailor's son's nightmares in Canalave City.
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Description
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DPPt HGSS
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A feather that glows like the moon. It is said to possess the power to dispel nightmares.
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Cannot be bought
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Cannot be sold
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Effect:
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A 50-year old key for accessing the motel in Canalave City; allows access to battle a Darkrai.
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Description
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DPPt HGSS
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A card needed for entering the inn in Canalave City. Oddly, the last date marked on it was 50 years ago.
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Cannot be bought
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Cannot be sold
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Description
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DPPt HGSS
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A letter from Prof. Oak. Written in it is a request for you to go to Rt. 224.
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Cannot be bought
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Cannot be sold
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Description
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DPPt HGSS
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An ancient good-luck charm made of Pokémon bones to be taken to the elder of Celestic Town.
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Cannot be bought
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Cannot be sold
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Effect:
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A package to deliver to the rival. It contains two Town Maps: one for him, and one for the player.
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Description
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DPPt HGSS
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A parcel entrusted in your care. You are supposed to deliver it to your childhood friend who left Twinleaf Town.
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Cannot be bought
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Cannot be sold
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Description
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DPPt HGSS
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A case for storing Poffin cooked from Berries.
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Cannot be bought
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Cannot be sold
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Effect:
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Locates hidden Pokémon in the grass; requires 50 steps to charge after use.
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Description
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DPPt HGSS
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A tool that can search out Pokémon that are hiding in grass. Its battery is recharged as you walk.
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Cannot be bought
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Cannot be sold
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Effect:
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Used to water planted Berries. If watering is done correctly, the resulting Berry trees will have higher amounts of Berries to pick and store.
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Description
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DPPt HGSS
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A watering can shaped like a Psyduck. It helps promote healthy growth of Berries planted in soft soil.
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Cannot be bought
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Cannot be sold
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Description
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DPPt HGSS
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A key to one of the suites at the luxury hotel by a lake. For some odd reason, it often disappears.
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Cannot be bought
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Cannot be sold
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Effect:
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Displays a map of Sinnoh and the player's current location. Details of routes and cities can be accessed by the touch screen.
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Description
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DPPt HGSS
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A very convenient map that can be viewed anytime. It even shows your present location.
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Cannot be bought
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Cannot be sold
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Effect:
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Allows the player to challenge Pokémon Trainers more than once; requires 100 steps to recharge after use.
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Description
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DPPt HGSS
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A device that indicates Trainers who want to battle. Its battery charges while you walk.
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Works Key はつでんしょキー Power Plant Key
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Cannot be bought
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Cannot be sold
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Description
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DPPt HGSS
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A large key for operating the doors of the Valley Windworks in the canyon. It was held by a Team Galactic Grunt.
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Key Items exclusive to Platinum
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Cannot be bought
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Cannot be sold
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Description
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Pt HGSS
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A high-tech key that has to be used at a specific location. It emits a special electric signal to open a door.
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Key Items exclusive to Platinum, HeartGold, and SoulSilver
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Cannot be bought
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Cannot be sold
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Effect:
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Transforms Shaymin from Land Forme to Sky Forme.
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Description
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Pt HGSS
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A flower sometimes bundled in bouquets to convey gratitude on special occasions like birthdays.
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Cannot be bought
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Cannot be sold
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Description
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Pt HGSS
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An amazing device that can record a battle either between friends or at a special battle facility.
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Key Items exclusive to HeartGold and SoulSilver
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Apricorn Box ぼんぐりケース Bonguri Case
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Cannot be bought
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Cannot be sold
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Effect:
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Carries Apricorns and allows growth while traveling. Can hold up to 99 of each type of Apricorn.
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Description
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HGSS
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A handy box where you can store up to 99 Apricorns of each kind.
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BW
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A handy box where you can store up to 99 Apricorns of each kind.
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Basement Key ちかのカギ Basement Key
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Cannot be bought
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Cannot be sold
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Description
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HGSS
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A key that opens a door in the Goldenrod Tunnel.
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BW
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A key that opens a door in the Goldenrod Tunnel.
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Note: Not to be confused with the Basement Key in Generation III.
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Berry Pots きのみプランター Berry Planter
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Cannot be bought
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Cannot be sold
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Effect:
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Allows Berry growth while traveling.
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Description
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HGSS
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Handy containers for cultivating Berries wherever you go.
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BW
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Handy containers for cultivating Berries wherever you go.
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Blue Card ブルーカード Blue Card
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Cannot be bought
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Cannot be sold
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Effect:
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Allows player to answer daily question on Buena's show every evening to get points exchangeable for items.
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Description
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HGSS
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A card to save points for the Buena's Password show.
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BW
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A card to save points for the Buena's Password show.
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Cannot be bought
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Cannot be sold
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Description
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HGSS
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A shiny blue orb that is said to have a legend and has a deep connection with the Hoenn region.
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BW
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A shiny blue orb that is said to have a legend and has a deep connection with the Hoenn region.
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Cannot be bought
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Cannot be sold
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Description
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HGSS
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A card key that opens a shutter in the Radio Tower.
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BW
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A card key that opens a shutter in the Radio Tower.
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Cannot be bought
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Cannot be sold
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Description
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HGSS
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A very old-fashioned bell that makes a gentle ringing.
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BW
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A very old-fashioned bell that makes a gentle ringing.
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Cannot be bought
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Cannot be sold
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Cannot be bought
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Cannot be sold
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Effect:
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Locates items hidden on the ground.
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Description
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HGSS
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It checks for unseen items in the area and makes noise and lights when it finds something.
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BW
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It checks for unseen items in the area and makes noise and lights when it finds something.
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Cannot be bought
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Cannot be sold
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Description
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HGSS
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A crystal ball that was excavated from the ground. A very beautiful stone that is covered with bits of rock and earth.
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BW
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A crystal ball that was excavated from the ground. A very beautiful stone that is covered with bits of rock and earth.
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Cannot be bought
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Cannot be sold
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Description
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HGSS
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A music player that allows you to listen to nostalgic songs. It's operated with a single switch.
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BW
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A music player that allows you to listen to nostalgic songs. It's operated with a single switch.
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Cannot be bought
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Cannot be sold
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Description
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HGSS
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A shiny green orb that is said to have a legend and has a deep connection with the Hoenn region.
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BW
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A shiny green orb that is said to have a legend and has a deep connection with the Hoenn region.
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Cannot be bought
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Cannot be sold
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Description
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HGSS
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The Poké Doll lost by the Copycat.
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BW
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The Mime Jr. doll that was lost by the Copycat.
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Cannot be bought
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Cannot be sold
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Locations
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HGSS
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Cerulean Gym (hidden inside one of the flotation tubes in the row of tubes closest to Misty's pedestal)
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Description
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HGSS
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An important machine part for the Power Plant that was stolen.
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BW
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An important machine part for the Power Plant that was stolen.
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Mystery Egg ふしぎなタマゴ Mystery Egg
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Cannot be bought
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Cannot be sold
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Description
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HGSS
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A mysterious Egg obtained from Mr. Pokémon. What's in the Egg is unknown.
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BW
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A mysterious Egg obtained from Mr. Pokémon. What's in the Egg is unknown.
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Cannot be bought
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Cannot be sold
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Description
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HGSS
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A ticket required for riding the Magnet Train. It allows you to ride whenever and however much you'd like.
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BW
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A ticket required for riding the Magnet Train. It allows you to ride whenever and however much you'd like.
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Price: $300
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Cannot be sold
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Description
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HGSS
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A famous candy in Mahogany Town. Many tourists like to buy them to take home.
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BW
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A famous Mahogany Town candy tourists like to buy and take home. It restores the HP of one Pokémon by 20 points.
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Cannot be bought
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Cannot be sold
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Description
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HGSS
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A mystical, rainbow feather that sparkles.
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BW
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A mystical rainbow feather that sparkles.
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Red Scale あかいウロコ Red Scale
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Cannot be bought
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Cannot be sold
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Description
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HGSS
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A scale from the red Gyarados. It glows red like a flame.
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BW
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A scale from the red Gyarados. It glows red like a flame.
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Cannot be bought
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Cannot be sold
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Description
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HGSS
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A shiny red orb that is said to have a legend and has a deep connection with the Hoenn region.
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BW
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A shiny red orb that is said to have a legend and has a deep connection with the Hoenn region.
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Cannot be bought
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Cannot be sold
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Description
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HGSS
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A strange, silvery feather that sparkles.
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BW
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A strange, silvery feather that sparkles.
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Cannot be bought
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Cannot be sold
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Secondary effect:
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Used to water planted Berries. If watering is done correctly, the resulting Berry trees will have higher amounts of Berries to pick.
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Description
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HGSS
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A bottle used for watering plants in the Berry Pots.
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BW
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A bottle used for watering plants in the Berry Pots.
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Cannot be bought
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Cannot be sold
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Description
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DPPt
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The ticket required for sailing on the ferry S.S. Anne. It has a drawing of a ship on it.
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HGSS
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The ticket required for sailing on the ferry S.S. Aqua. It has a drawing of a ship on it.
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BW
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The ticket required for sailing on the ferry S.S. Aqua. It has a drawing of a ship on it.
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Note: This item exists in Pokémon Diamond, Pearl, and Platinum, but was dummied out.
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Cannot be bought
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Cannot be sold
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Description
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HGSS
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An old-fashioned bell with a gentle, soothing sound.
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BW
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A very old-fashioned bell that makes a gentle ringing.
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Cannot be bought
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Cannot be sold
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Effect:
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Lists the caught Unown forms.
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Description
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HGSS
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A report of all the discovered kinds of Unown.
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BW
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A report of all the discovered kinds of Unown.
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