King's Rock
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The King's Rock (Japanese: おうじゃのしるし King's Symbol) is a type of held item introduced in Generation II. It allows Poliwhirl and Slowpoke to evolve into Politoed and Slowking, respectively, and also allows the holder's moves to cause Pokémon to flinch.
In the core series games
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Effect
In battle
Grants certain moves used by the holder a chance of causing targets to flinch.
Generation II
Grants the moves listed below a 11.71875% (30/256) chance of causing targets to flinch. Unlike flinching caused by other means in this generation, King's Rock can cause sleeping and frozen Pokémon to flinch as well.
Only the final strike of a multistrike move has a chance of causing the target to flinch.
Generations III and IV
Grants the moves listed below a 10% chance of causing each target to flinch. This chance is not affected by Serene Grace.
Each strike of a multistrike move has an independent chance of causing the target to flinch. Flinching caused this way is no longer different to flinching caused by other means.
Due to how this item's effect is resolved in Generation IV, U-turn will be able to make the target flinch only if the Pokémon replacing the user is holding the item.
Generation V onward
Grants all attacking moves that do not already have a chance to flinch a 10% chance of causing each target to flinch. This chance is affected by Serene Grace and the rainbow created by Fire Pledge and Water Pledge. King's Rock does not activate Sheer Force, but Sheer Force removes the chance to flinch if the move already has an additional effect.
Moves affected before Generation V
Outside battles
Causes Poliwhirl to evolve into Politoed and Slowpoke to evolve into Slowking when traded while holding it; this consumes the King's Rock. They will not evolve if linking to a Generation I game.
Description
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Acquisition
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Distribution
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As a held item
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Gallery
Artwork
| Artwork from Scarlet and Violet |
Artwork from Legends: Z-A |
In the spin-off games
Pokémon Mystery Dungeon series
The King's Rock appears in Pokémon Mystery Dungeon: Red Rescue Team and Blue Rescue Team and Pokémon Mystery Dungeon: Explorers of Time, Explorers of Darkness, and Explorers of Sky.
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Effect
If the player offers both a Link Cable and King's Rock at Luminous Cave or Luminous Spring, Slowpoke or Poliwhirl can be evolved into Slowking or Politoed, respectively. This consumes the Link Cable and King's Rock.
If thrown, it will deal 1 damage (2 if sticky). Using this item in a dungeon will consume it, with no effect.
Description
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Acquisition
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Appearance
| Sprite from Red Rescue Team and Blue Rescue Team |
Sprite from Explorers of Time, Darkness, and Sky |
Pokémon GO

The King's Rock was added to Pokémon GO on February 16, 2017.
Effect
The King's Rock is required to evolve certain Pokémon in Pokémon GO. It is consumed upon use.
- Poliwhirl requires
100 Poliwag Candy and a King's Rock to evolve into Politoed. - Slowpoke requires
50 Slowpoke Candy and a King's Rock to evolve into Slowking.
Description
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Acquisition
Starting at level 10, King's Rocks can be rarely obtained from:
While normally rare, from March 21, 2017, onward, the player is guaranteed to find an Evolution item when obtaining the bonus for spinning a Photo Disc for the seventh day in a row.
Additionally, the player receives a King's Rock when completing part 3 of the Special Research "A Ripple in Time".
Pokémon Sleep

The King's Rock is available in Pokémon Sleep.
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Effect
The King's Rock is required to evolve certain Pokémon in Pokémon Sleep. It is consumed upon use.
- Slowpoke requires
80 Slowpoke Candy, a King's Rock, and a Linking Cord to evolve into Slowking.
Description
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Acquisition
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In animation

Pokémon the Series
Pokémon the Series: Gold and Silver
A King's Rock first appeared in Ring Masters, where Ash received it as a prize for winning the Sumo Conference. In Outrageous Fortunes, Misty's Poliwhirl used it to evolve itself into a Politoed by holding it while being transferred between Pokémon Centers.
Another King's Rock appeared in A Crowning Achievement, where it was found on a rock after the water level in the local river dropped dramatically; Alice's Slowpoke used it to evolve into a Slowking as a Shellder bit onto it while it was on Slowpoke's head.
Pokémon the Series: Ruby and Sapphire
In Showdown At Linoone, a King's Rock was one of the items Tokin had picked up.
In the manga

Pokémon Adventures
Gold, Silver & Crystal arc
In Quilava Quandary, Gold was given a King's Rock by the Day-Care Couple after training with them, giving it to his Poliwag, Polibo, to hold. In Ampharos Amore, Polibo, who had just evolved into a Poliwhirl, was able to use the King's Rock to evolve into a Politoed when he was temporarily traded to Silver.
Diamond & Pearl arc
In Yikes, Yanmega! II, Roseanne revealed that she researched Evolution items while studying Pokémon Evolution, including the King's Rock.
Scarlet & Violet arc
Violet wears a fake King's Rock on his head when in his prince attire. It was first seen in Speeding! Paldea's Prince of Speed!!.
In the TCG
The following gallery is of cards mentioning or featuring the King's Rock.
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Slowking (HeartGold & SoulSilver 12/123)
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Slowking (Call of Legends 32/95)
Merchandise
The King's Rock has been featured in several officially licensed merchandise.
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Go With the Slow blanket
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WAKKA de IKKA key artwork
Trivia
- Only three moves changed whether they were affected by the King's Rock between Generation III and IV: Pound, Gust, and Dragon Rage are affected in Generation III but not in Generation IV.
In other languages
| Language | Title | |
|---|---|---|
| Chinese | Cantonese | 王者之證 Wòhngjé jī Jing * 王者的信物 Wòhngjé dīk Seunmaht * |
| Mandarin | 王者之證 / 王者之证 Wángzhě zhī Zhèng * 王者的信物 Wángzhě de Xìnwù * 王者象徵 Wángzhě Xiàngzhēng * | |
| Czech | Královský kámen | |
| Danish | Kongens sten* | |
| French | Roche Royale | |
| German | King-Stein | |
| Indonesian | Simbol Penguasa | |
| Italian | Roccia Di Re | |
| Korean | 왕의징표석 Wangui Jingpyoseok | |
| Polish | Kamienny Król* Królewski Diadem* Królewski Kamień/King's Rock * | |
| Brazilian Portuguese | Pedra do Rei (games, EP260, manga) Pedra Rei (EP247) Rocha Real (EP194) | |
| Spanish | Roca del Rey | |
| Thai | สัญลักษณ์แห่งราชา Sanyalak Haengracha | |
| Vietnamese | Con dấu Hoàng Gia | |
References
External links
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This item article is part of Project ItemDex, a Bulbapedia project that aims to write comprehensive articles on all items. |
