Thunder Stone

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The Thunder Stone (Japanese: かみなりのいし Lightning Stone), formatted Thunderstone prior to Generation VI, is a type of Evolution stone introduced in Generation I.
==In the core series games==
===Price===
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In the Generation V games, the Thunderstone can be sold to an item maniac inside the Icirrus City Pokémon Center for 3000.
===Effect===
Can be used to evolve one of several Pokémon. This consumes the Thunder Stone.
*Causes to evolve into (outside of Alola) or (in Alola)
**The Thunder Stone cannot be used to evolve Cosplay Pikachu, Pikachu in a cap, the Partner Pikachu, or Pikachu with the Gigantamax Factor into Raichu.
*Causes to evolve into (Generation VIII onward)
*Causes to evolve into 
**The Thunder Stone cannot be used to evolve the Partner Eevee or Eevee with the Gigantamax Factor into Jolteon.
*Causes to evolve into (Generation VIII onward)
**The Thunder Stone cannot be used to evolve Nosepass into Probopass in .
*Causes to evolve into 
*Causes to evolve into (Generation VIII onward)
*Causes to evolve into 
===Description===
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===Acquisition===
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| Celadon Department Store
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| Sea Cottage (from Bill's grandfather)
| (gift from Dana), Mystery Gift
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| New Mauville
| (trade for Yellow Shard with Treasure Hunter)
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| Power Plant (×2)
| Celadon Department Store
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| Gateon Port
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| Solaceon Ruins, Sunyshore City, 
| Underground
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| Sea Cottage (from Bill's grandfather)
| (gift from Dana), Bug-Catching Contest first prize (post-National Pokédex), Pokéathlon Dome (2500 Pts.)
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| Chargestone Cave, Shopping Mall Nine
| s, Black City/White Forest (Ken)
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| Nimbasa City, Chargestone Cave
| Battle Subway/Pokémon World Tournament (3 BP), Join Avenue (), Black City (Store 1)s (Chargestone Cave, Mistralton Cave, Clay Tunnel, Twist Mountain, Underground Ruins, , Wellspring Cave, Seaside Cave, Giant Chasm)Hidden Grottoes (Routes , , , , , , , , , and ; Floccesy Ranch; Giant Chasm; Abundant Shrine; Lostlorn Forest; Pinwheel Forest)Transfer from 
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| , 
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| Dream Clouds (after catching )
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| Routes and 
| (Follow Those Fleeing Goals!, The Battle for the Best: Version X!, and The Battle for the Best: Version Y!), (from Psychic Inver)Spiky rocks
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| New Mauville
| (trade for Yellow Shard with Treasure Hunter), Mauville City (), (Follow Those Fleeing Goals!, The Battle for the Best!), (rematch with Dylan), (rematch with Dalton), Secret Base ("Pick up stones" with )
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| (Lv. 2)
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| Konikoni City, Poké Pelago (Isle Aphun - Brilliant-Stone Hunting, Interesting-Item Hunting)
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| , Paniola Ranch, Ultra Plant (×6)
| Konikoni City, Poké Pelago (Isle Aphun - Brilliant-Stone Hunting, Interesting-Item Hunting)
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| , 
| Celadon Department StoreFound by walking Pokémon (Rock Tunnel)
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| North Lake Miloch
| Hidden recurring item (Lake of Outrage)Bridge Field (Digging Duo)Poké Job reward (Tiers V, VI, and IX)
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| Hidden recurring item (Three-Point Pass)Max Raid Battles (Ballimere Lake)
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| Sunyshore City
| Grand Underground
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| Black ore deposits (Obsidian Fieldlands, Crimson Mirelands, Cobalt Coastlands)Blue ore deposits (Crimson Mirelands, Cobalt Coastlands) (1,000 MP) (randomly sold by Ginter, as "Lightning-Bolt Rock")Space-time distortions
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| Levincia, Casseroya Lake, West Province (Area One)Reward for registering 30 Pokémon in the Paldea Pokédex
| Delibird Presents (after earning 3 Gym Badges)Tera Raid Battles (1★, 2★, 3★, 4★, 5★)Sparkling overworld item (East Province (Area Three))
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| Wistful Fields
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| Item Printer
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====Distribution====
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Games	Event	Language/Region	Distribution period
 	 	Korean 	January 7 to 31, 2011
 	 	All 	July 14 to September 30, 2024
 	 	All 	November 18, 2024 to December 31, 2025
=====As a held item=====
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Games	Event	Language/Region	Distribution period
 	 	United States 	August 30 to September 4, 2003
==Gallery==
===Artwork===
Artwork from
===Sprites===
 	 	
sprite from, and	sprite from	Bag sprite from
==In the spin-off games==
===Pokémon Mystery Dungeon series===
The Thunderstone appears in Pokémon Mystery Dungeon: Red Rescue Team and Blue Rescue Team, Explorers of Time, Darkness, and Sky, and Gates to Infinity.
====Price====
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====Effect====
Can be used to evolve one of several Pokémon by offering it at the Luminous Cave or Luminous Spring or by using it in a dungeon. This consumes the Thunderstone.
*Causes to evolve into 
*Causes to evolve into 
*Causes to evolve into 
If thrown, it will deal 1/2 damage (2 if sticky). In Red Rescue Team, Blue Rescue Team, Explorers of Time, Explorers of Darkness, and Explorers of Sky, using this item in a dungeon will consume it, with no effect.
====Description====
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====Acquisition====
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| Lightning Field (29F)
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| Treasure Boxes, Job requests (★3-★9)Mystifying Forest (Kecleon Shop: 5F, 7F, 9F, 11F, 13F), Lake Afar (Kecleon Shop: B3F, B5F, B7F, B9F, B11F, B13F, B15F, B17F, B19F, B21F, B23F), Midnight Forest (Kecleon Shop: B5F, B7F, B9F, B11F, B13F, B15F, B17F, B19F, B21F, B23F)
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| Treasure BoxesPokémon Paradise (Sunken Treasure, Beartic Slide, Prize Palace)Skill Treasury, Treasure Trove
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====Appearance====
 	 	 	
Sprite from	Sprite from, and	Sprite from	Model from
===Pokémon Conquest===
In Pokémon Conquest, and evolve into and , respectively, if their link is improved while their Warrior is equipped with a Thunderstone.
A Thunderstone can be purchased from the for 5000 gold, and sold for 2500-3250 gold.
====Description====
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===Pokémon Pinball series===
In Pokémon Pinball and Pokémon Pinball: Ruby & Sapphire, the player gets three Thunder Stone symbols in order to evolve any of the Pokémon below.
Evolves from	Evolves into		
 	 		
 	 		
====Gallery====
 	 	
Sprite from	Counter from	Sprite from
===Pokémon Sleep===
The Thunder Stone is available in Pokémon Sleep.
====Price====
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====Effect====
The Thunder Stone is required to evolve certain Pokémon in Pokémon Sleep. It is consumed upon use.
* requires 80 Pikachu and a Thunder Stone to evolve into .
* requires 80 Magnemite and a Thunder Stone to evolve into .
* requires 80 Eevee and a Thunder Stone to evolve into .
* requires 80 Grubbin and a Thunder Stone to evolve into .
====Description====
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====Acquisition====
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| reward
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==In animation==
===Pokémon the Series===
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The Thunder Stone debuted in Electric Shock Showdown, when Nurse Joy gave a Thunder Stone so that he could evolve his in order to defeat Lt. Surge's . Pikachu, however, refused the offer.
In The Battling Eevee Brothers, the Thunder Stone appeared as part of a collection held by the Eevee brothers. Two of the Eevee brothers offered a Fire Stone and Thunder Stone to and Ash to evolve their respective and Pikachu, though both refused.
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An image of a Thunder Stone appeared in A Bite to Remember during Brock's explanation on how evolution works.
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In Pika and Goliath!, Ash was revealed to have kept his Thunder Stone in case Pikachu ever wanted to evolve. When a similar scenario to the one in Vermilion City occured again, Pikachu still refused to use the stone. Seeing his determination to not evolve, stole the stone, planning to sell it.
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Ash had to find a Thunder Stone in a scavenger hunt as part of the Wishing Bell Festival contest in Climbing the Tower of Success!. He came across a young man in possession of one who tried to toss it to him from a long distance. The Thunder Stone nearly came in contact with Pikachu but he jumped out of the way just in time, leaving Ash to catch it.
Mystery on a Deserted Island! featured the Thunder Stone along with all of the other Evolution stones available as of Generation V.
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A Thunder Stone appeared in To Catch a Pokémon Smuggler! as a part of 's explanation of how evolution works, 's evolution into working as an example of stone-induced evolution.
A full set of Evolution stones was seen on display in a stone shop in Geosenge Town in The Cave of Trials!.
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Multiple Thunder Stones appeared in Gotta Catch a What?!, where multiple Pikachu were digging them up in a valley in order to evolve. One was found by Goh's newly Pikachu, who gave it to her . Later, Goh used the Stone to evolve his Pikachu into in order to help defeat Team Rocket.
A Thunder Stone was seen in To Train, or Not to Train!, when members of the Eevee Evolution Lab tried to get an to evolve, only for it to not work.
In Out of Their Elements!, Harmony and attempted to use a Fire Stone and a Thunder Stone, respectively, to evolve their Eevee partners. However, they accidentally dropped the stones onto the wrong Eevee, causing them to evolve into opposite forms than what they had intended. They attempted to correct the mistake with the spare stones they had, but the stones had no effect on the already-evolved Pokémon. At the end of the episode, they gave their spare stones to Chloe.
====Gallery====
Thunder Stone EP040.png|Sparky backed by a Thunder Stone in The Battling Eevee Brothers!
Thunder Stone DP074.png|Ash's Thunder Stone in Pika and Goliath!
Thunder Stone JN035.png|Goh's Thunder Stone in Gotta Catch a What?!
==In the manga==
===The Electric Tale of Pikachu===
The focus of the chapter To Evolve or Not to Evolve, That Is the Question! was Evolution stones, including the Thunder Stone.
===Pokémon Adventures===
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In The Kindest Tentacruel, the Pokémon Fan Club Chairman told about a legend of an underwater dome at the bottom of Harbor, housing a set of Evolution stones which, unlike normal stones, did not disappear after making a Pokémon evolve, allowing them to be used repeatedly. The cause of Red's Poliwhirl's evolution had been one of these said stones, proving the legend to be true. Yellow was later led to the dome by a wild , finding a Leaf Stone in it, but the Fire, Thunder, and Water Stones were missing. Later, it was revealed that had given them to so he could freely evolve and devolve his Eevee.
===Pokémon Zensho===
In Indigo Plateau, 's used a Thunder Stone to evolve itself into a before Satoshi left to challenge the Elite Four.
==Trivia==
* Through in the Generation I games, Pokémon that would normally require an Evolution stone to evolve can be evolved without it, provided that the Pokémon levels up in the battle and the player has sent out a specific Pokémon in the same battle. In the case of the Thunderstone, this Pokémon is .
* In , if the player attempts to use a Thunder Stone on their Pikachu, it'll refuse. Talking to Pikachu afterwards will cause it to shake its head. Traded Pikachu are unaffected by this.
* In Pokémon: Let's Go, Pikachu! and Let's Go, Eevee!, if the player tries to give their a Thunder Stone, they will not accept it, and therefore, will not evolve. In 's case, the same thing will happen if the player attempts to give them a Fire Stone or a Water Stone.
==In other languages==
==Related articles==
Category:Pokémon Mystery Dungeon items
Category:Pokémon Conquest items
de:Donnerstein
es:Piedra trueno
fr:Pierre Foudre
it:Pietratuono
ja:かみなりのいし
zh:雷之石（道具）