Evolution Items Guide - All Stones, Locations & Which Pokémon Evolve
Complete evolution items guide for Polished Crystal. Find all evolution stones (Fire, Water, Thunder, Leaf, Moon, Sun, Shiny, Dusk, Dawn), held evolution items (Metal Coat, King's Rock, Dragon Scale), trade evolutions, and exact locations. Includes full list of which Pokémon use each item.

Introduction
Evolution items trigger evolutions for specific Pokémon in Polished Crystal. This guide covers all evolution items in the game, including where to find them and which Pokémon they evolve. Items are used either directly from your bag or held by a Pokémon while it levels up.
Main database: evos_attacks.asm
Evolution Methods
Direct Use Items
These items work instantly when used on the correct Pokémon from your bag. Evolution stones fall into this category.
Held Item Evolution
These items must be held by a Pokémon while it levels up to trigger evolution. The item is consumed during the evolution process, so you'll need a new one for each evolution.
Evolution Stones
Evolution stones are used directly from your bag to instantly evolve compatible Pokémon.
Fire Stone
The Fire Stone is an elemental evolution stone that evolves Fire-type Pokémon. Use it directly from your bag on compatible Pokémon to trigger their evolution instantly.
Evolves:
Locations:
- Cinnabar Volcano B1F in the bottom left corner of the floor
- Goldenrod City Bill's House as a gift from Bill's father after showing him a Pokémon that evolves with a Fire Stone
- Route 36 as a gift, notified via phone call
- Celadon Department Store 4F for purchase at ₽3,000
Water Stone
The Water Stone is an elemental evolution stone that evolves Water-type Pokémon. Use it directly from your bag on compatible Pokémon to trigger their evolution instantly.
Evolves:
Locations:
- Celadon University Pool B1F in the bottom right corner
- Goldenrod City Bill's House as a gift from Bill's father after showing him a Pokémon that evolves with a Water Stone
- Route 42 as a gift notified via phone call
- Seafoam Islands B2F in the center of the map
- Celadon Department Store 4F for purchase at ₽3,000
Thunder Stone
The Thunder Stone is an elemental evolution stone that evolves Electric-type Pokémon. Use it directly from your bag on compatible Pokémon to trigger their evolution instantly.
Evolves:
Locations:
- Goldenrod City Bill's House as a gift from Bill's father after showing him a Pokémon that evolves with a Thunder Stone
- Rock Tunnel 2F as a visible item on the ground
- Route 38 as a gift notified via phone call
- Celadon Department Store 4F for purchase at ₽3,000
Leaf Stone
The Leaf Stone is an elemental evolution stone that evolves Grass-type Pokémon and certain other species. Use it directly from your bag on compatible Pokémon to trigger their evolution instantly.
Evolves:
- Eevee → Leafeon
- Exeggcute → Exeggutor
- Gloom → Vileplume
- Voltorb → Electrode (Hisuian form)
- Weepinbell → Victreebel
Locations:
- Goldenrod City Bill's House as a gift from Bill's father after showing him a Pokémon that evolves with a Leaf Stone
- Route 34 as a gift notified via phone call
- Shamouti Tunnel as a hidden item
- Viridian Forest as a hidden item
- Celadon Department Store 4F for purchase at ₽3,000
Moon Stone
The Moon Stone is a special evolution stone that evolves several Pokémon species, including Fairy-types and Normal-types. Use it directly from your bag on compatible Pokémon to trigger their evolution instantly.
Evolves:
- Clefairy → Clefable
- Eevee → Umbreon
- Jigglypuff → Wigglytuff
- Nidorina → Nidoqueen
- Nidorino → Nidoking
- Ursaring → Ursaluna
Locations:
- Dim Cave 2F as a hidden item
- Goldenrod City Bill's House as a gift from Bill's father after showing him a Pokémon that evolves with a Moon Stone
- Ivy's Lab as a gift from Professor Ivy
- Mt. Moon B1F as a hidden item
- Mt. Moon B2F as a visible item on the ground
- Mt. Moon Square as a hidden item
- Pokémon Mansion 1F as a visible item
- Rocket Hideout B1F as a visible item
- Route 3 as a hidden item
- Ruins of Alph Ho-Oh Item Room as a visible item
- Tohjo Falls as a visible item
- Wild Cleffa, Clefairy, and Clefable have a rare chance (5%) of holding this item
Sun Stone
The Sun Stone is a special evolution stone that evolves Pokémon associated with sunlight and daytime. Use it directly from your bag on compatible Pokémon to trigger their evolution instantly.
Evolves:
Locations:
- Goldenrod City Bill's House as a gift from Bill's father after showing him a Pokémon that evolves with a Sun Stone
- Ruins of Alph Ho-Oh Item Room as a visible item
Shiny Stone
The Shiny Stone is a special evolution stone that evolves select Pokémon with fairy-like qualities. Use it directly from your bag on compatible Pokémon to trigger their evolution instantly.
Evolves:
Locations:
- Cherrygrove Bay as a visible item on the ground
- Goldenrod City Bill's House as a gift from Bill's father after showing him a Pokémon that evolves with a Shiny Stone
- Mt. Moon B2F as a visible item
- National Park as a visible item
- National Park as a possible reward from the Bug-Catching Contest
Dusk Stone
The Dusk Stone is a special evolution stone that evolves Ghost-type and Dark-type Pokémon. Use it directly from your bag on compatible Pokémon to trigger their evolution instantly.
Evolves:
Locations:
- Cerulean Cave 2F as a visible item
- Dark Cave Violet Entrance as a visible item
- Dim Cave 5F as a visible item
- Goldenrod City Bill's House as a gift from Bill's father after showing him a Pokémon that evolves with a Dusk Stone
- Mt. Moon B2F as a visible item
- Quiet Cave 1F as a visible item
- Scary Cave 1F as a visible item
- Union Cave B1F South as a visible item
Ice Stone
The Ice Stone is a special evolution stone that evolves Ice-type Pokémon and certain regional variants. Use it directly from your bag on compatible Pokémon to trigger their evolution instantly.
Evolves:
- Eevee → Glaceon
- Mime Jr. → Mr. Mime (Galarian form)
- Sandshrew → Sandslash (Alolan form)
- Vulpix → Ninetales (Alolan form)
Locations:
- Ice Path B2F Mahogany Side as a visible item
- Celadon Department Store 4F for purchase at ₽3,000
Held Item Evolutions
These items trigger evolution when held by a Pokémon during level-up. Make sure the Pokémon is holding the item before it gains a level - the item will be consumed when the evolution occurs.
Oval Stone
The Oval Stone is a held evolution item. When a Happiny holds this stone and levels up during the daytime, it will evolve into Chansey.
Evolves:
Locations:
- Cliff Edge Gate as a hidden item
- Wild Chansey and Blissey have a common chance (50%) of holding this item
Razor Claw
The Razor Claw is a held evolution item for Sneasel. The time of day when Sneasel levels up determines which evolution it will become.
Evolves:
- Sneasel → Weavile when leveled up while holding this item during nighttime
- Sneasel (Hisuian form) → Sneasler when leveled up while holding this item during daytime
Locations:
- Quiet Cave B2F as a visible item on the ground
Razor Fang
The Razor Fang is a held evolution item. When Gligar holds this item and levels up during nighttime, it will evolve into Gliscor.
Evolves:
Locations:
- Victory Road 3F as a visible item on the ground
Hard Stone
The Hard Stone is a held evolution item that enables Scyther to evolve into its ancient form, Kleavor. It can also be held in battle to boost Rock-type moves.
Evolves:
Locations:
- Route 36 as a gift notified via phone call
- Wild Happiny have a common chance (50%) of holding this item
- Wild Corsola and Onix have a rare chance (5%) of holding this item
Special Evolution Items
These evolution items serve specialized purposes. Some enable evolutions that would normally require trading in other Pokémon games, while others trigger specific type-based or form-based evolutions.
Linking Cord
The Linking Cord is a special evolution item that enables certain Pokémon to evolve without needing to be traded. When one of these Pokémon levels up while holding this item, it will evolve.
Note: This item only works on Kadabra, Haunter, Machoke, and Graveler. It does NOT work on Pokémon that require holding a specific item during trade (such as Slowpoke with King's Rock or Onix with Metal Coat).
Evolves:
- Graveler → Golem when leveled up while holding this item
- Haunter → Gengar when leveled up while holding this item
- Kadabra → Alakazam when leveled up while holding this item
- Machoke → Machamp when leveled up while holding this item
Locations:
- Route 38 Ecruteak Gate as a gift from an NPC
- Union Cave B2F as a visible item on the ground
- Celadon Department Store 4F for purchase at ₽3,000
King's Rock
The King's Rock is a special evolution item for Poliwhirl and Slowpoke. When held during level-up, it enables these Pokémon to evolve into their royal forms. It can also be held in battle, where it has a 10% chance to make the opponent flinch when you deal damage.
Evolves:
- Poliwhirl → Politoed when leveled up while holding this item
- Slowpoke → Slowking when leveled up while holding this item
Held Effect: When held during battle, attacks have a 10% chance to make the opponent flinch.
Locations:
- Slowpoke Well B2F as a gift from an NPC
- Mahogany Mart 1F for purchase at ₽5,000
- Wild Politoed, Poliwhirl, Poliwrath, Slowbro, Slowking, and Slowpoke have a rare chance (5%) of holding this item
Metal Coat
The Metal Coat is a special evolution item that enables Onix and Scyther to evolve into their Steel-type forms. When held during battle, it also boosts the power of Steel-type moves by 20%.
Evolves:
- Onix → Steelix when leveled up while holding this item
- Scyther → Scizor when leveled up while holding this item
Held Effect: When held during battle, Steel-type moves have their power increased by 20%.
Locations:
- Dim Cave 3F as a visible item on the ground
- Goldenrod Department Store B1F as a visible item
- Wild Magnemite, Magneton, Magnezone, Scizor, and Steelix have a rare chance (5%) of holding this item
Dragon Scale
The Dragon Scale is a special evolution item that enables Seadra to evolve into Kingdra. When held during battle, it also boosts the power of Dragon-type moves by 20%.
Evolves:
Held Effect: When held during battle, Dragon-type moves have their power increased by 20%.
Locations:
- Mt. Mortar 1F as a visible item on the ground
- Wild Horsea, Seadra, Dratini, and Dragonair have a rare chance (5%) of holding this item
Upgrade
The Upgrade is a special evolution item that enables Porygon, a virtual Pokémon, to evolve into its enhanced form, Porygon2.
Evolves:
Locations:
Dubious Disc
The Dubious Disc is a special evolution item that enables Porygon2 to evolve into its final form, Porygon-Z. This suspicious-looking disc contains questionable programming data.
Evolves:
Locations:
- Celadon City Chief House as a hidden item
- Rocket Hideout B4F as a visible item on the ground
- Silph Co. 1F available for purchase
Protector
The Protector is a special evolution item that enables Rhydon to evolve into Rhyperior. This protective gear strengthens Rhydon's already formidable defenses.
Evolves:
Locations:
- Mt. Mortar B1F as a visible item on the ground
- Wild Rhydon and Rhyhorn have a rare chance (5%) of holding this item
Electirizer
The Electirizer is a special evolution item that enables Electabuzz to evolve into Electivire. This device amplifies the electrical energy within Electabuzz's body.
Evolves:
- Electabuzz → Electivire when leveled up while holding this item
Locations:
- Rock Tunnel 2F South as a visible item on the ground
- Wild Electabuzz, Electivire, and Elekid have a rare chance (5%) of holding this item
Magmarizer
The Magmarizer is a special evolution item that enables Magmar to evolve into Magmortar. This device intensifies the searing heat that Magmar generates.
Evolves:
Locations:
- Cinnabar Island South as a visible item on the ground
- Wild Magmar, Magmortar, and Magby have a rare chance (5%) of holding this item
Charcoal
The Charcoal is a special evolution item for the Galarian form of Koffing. When Galarian Koffing levels up while holding this item, it evolves into Galarian Weezing. Charcoal can also be held during battle to boost Fire-type moves by 20%.
Evolves:
Held Effect: When held during battle, Fire-type moves have their power increased by 20%.
Locations:
- Azalea Town as a gift from the Charcoal Kiln owner
- Burned Tower 1F as a visible item on the ground
- Celadon Department Store 5F for purchase at ₽4,800
Odd Souvenir
The Odd Souvenir is a unique evolution item that transforms certain Kanto Pokémon into their Alolan regional variants. This mysterious souvenir contains the essence of the Alolan region.
Evolves:
- Cubone → Marowak (Alolan form) when leveled up while holding this item
- Exeggcute → Exeggutor (Alolan form) when used directly on Exeggcute
- Pikachu → Raichu (Alolan form) when used directly on Pikachu
Locations:
- Elm's Lab as a gift from Professor Elm
- Noisy Forest as a gift from an NPC
- Shamouti Island as a gift from a traveler
- Shamouti Island Pokémon Center 1F available for purchase
- Breeding GuideBreed Pokémon before evolving to get egg moves
- Hidden Grottoes GuideSome grottoes contain evolution items
- Team Building BasicsBuild teams and evolutions
- Evolution Items GuideSome grotto items help with evolutions
- Helpful NPCs GuideNPCs who give evolution items
- Pickup Table GuideEvolution stones from Pickup ability
