Evolution-inducing held item

An evolution-inducing held item is an item which makes the Pokémon holding it evolve when a certain event happens, such as if the Pokémon is traded or leveled up. The item disappears once the Pokémon has evolved. For evolution-inducing items that are not meant to be held, see the page on evolutionary stones.

List of evolution-inducing held items

DeepSeaScale

• Japanese: しんかいのウロコ Deep Sea Scale
• Pokémon affected: Causes Clamperl to evolve into Gorebyss when traded.
• Notes: Doubles Clamperl's Special Defense stat when held.
• Found:
  • Gift from Captain Stern after finding the Scanner on the Abandoned Ship (RSE)
  • Found on some wild Chinchou, Lanturn and Relicanth (DPPtHGSS).
  • Mystery Gift for 14400 Poké Coupons (PBR)

DeepSeaTooth

• Japanese: しんかいのキバ Deep Sea Fang
• Pokémon affected: Causes Clamperl to evolve into Huntail when traded.
• Notes: Doubles Clamperl's Special Attack when held.
• Found:
  • Gift from Captain Stern after finding the Scanner on the Abandoned Ship (RSE)
  • Held by some wild Carvanha and Sharpedo (DPPtHGSS).
  • Mystery Gift for 14400 Poké Coupons (PBR)

Dragon Scale

• Japanese: りゅうのウロコ Dragon Scale
• Pokémon affected: Causes Seadra to evolve into Kingdra when traded.
• Found:
  • Mt. Mortar (Generation II)
  • Six Island, Trainer Tower (Double Mode) and on some wild Horsea and Bagon (Generation III)
  • Found on some wild Horsea, Seadra, Dratini, Dragonair and Bagon (D/P)

Dubious Disc

• Japanese: あやしいパッチ Suspicious Patch
• Pokémon affected: Causes Porygon2 to evolve into Porygon-Z when traded.
• Found:
  • Route 225 (DP)
  • Mystery Gift for 12000 Poké Coupons (PBR)
  • Team Galactic HQ (Pt)
  • Route 42 (HGSS)

Electirizer

• Japanese: エレキブースター Elecbooster
• Pokémon affected: Causes Electabuzz to evolve into Electivire when traded.
• Found:
  • Found on some wild Elekid (D/P) (50% in Diamond, 5% in Pearl)
  • Found on some wild Electabuzz (Pt)
  • Found behind Valley Windworks. (Pt)
  • Cerulean Cave (HG/SS)

King's Rock

• Japanese: おうじゃのしるし King's Symbol
• Pokémon affected: Causes Poliwhirl to evolve into Politoed when traded, also causes Slowpoke to evolve into Slowking when traded.
• Notes: Also raises chance of causing opponents to flinch by 11.7% with most attacks without secondary effects.
• Found:
  • Slowpoke Well (Generation II)
  • Near Steven's house in Mossdeep City, found on some wild Hariyama (R/S/E)
  • Sevault Canyon, Trainer Tower (Mixed Mode) and 5% chance of being held by wild Slowpoke (FR/LG)
  • Found on some wild Poliwhirl (D/P)
  • Pickup ability (1%, R/S; 1% (Pokémon between level 11 and 30), E, D/P)
  • Mystery Gift for 12000 Poké Coupons (PBR)
  • Celestic Town hidden item (Pt)
  • Slowpoke Well (HG/SS)

Magmarizer

• Japanese: マグマブースター Magmabooster
• Pokémon affected: Causes Magmar to evolve into Magmortar when traded.
• Found:
  • Found on some wild Magby (D/P) (50% in Pearl, 5% in Diamond)
  • Found on some wild Magmar (Pt)
  • Route 214 (Pt)

Metal Coat

• Japanese: メタルコート Metal Coat
• Pokémon affected: Causes Onix to evolve into Steelix when traded, causes Scyther to evolve into Scizor when traded.
• Notes: Also raises the power of Steel-type moves.
• Found:
  • S.S. Aqua, found on some wild Magnemite (Generation II)
  • New Mauville, found on some Magnemite and Magneton (R/S/E)
  • Memorial Pillar and Trainer Tower (Knockout Mode) (FR/LG)
  • Given by Byron in Iron Island, found on some wild Bronzor, Bronzong, Steelix, Magnemite and Beldum (D/P/Pt)
  • S.S. Aqua (HG/SS)

Oval Stone

• Japanese: まんまるいし Spherical Stone
• Pokémon affected: Causes Happiny to evolve into Chansey when raised a level during the daytime.
• Found:
  • Found on some wild Happiny and Chansey, first floor of Lost Tower after defeating a Trainer, (D/P/Pt)

Protector

• Japanese: プロテクター Protector
• Pokémon affected: Causes Rhydon to evolve into Rhyperior when traded.
• Found:
  • Route 228 (DPPt).
  • Iron Island (Pt).
  • Mystery Gift for 12000 Poké Coupons (PBR)
  • Mt. Mortar (HGSS)

Razor Claw

• Japanese: するどいツメ Sharp Claw
• Pokémon affected: Causes Sneasel to evolve into Weavile when raised a level at night.
• Notes: Also raises the chance of the holder getting a critical hit.
• Found:
  • Route 224, Victory Road and available to buy at the Battle Tower/Frontier, Galactic Veilstone Building, Cyrus' room, hidden item (DPPt)

Razor Fang

• Japanese: するどいキバ Sharp Fang
• Pokémon affected: Causes Gligar to evolve into Gliscor when raised a level at night.
• Notes: Also raises chances of causing opponents to flinch.
• Found:
  • Southwest corner of Battle Park and available to buy at the Battle Tower (D/P)
  • Route 214, hidden, in the empty corner of patch of long grass (Pt).

Reaper Cloth

• Japanese: れいかいのぬの Spirit World Cloth
• Pokémon affected: Causes Dusclops to evolve into Dusknoir when traded.
• Found:
  • Route 229, Turnback Cave (D/P)
  • Acuity Lakefront (Pt)
  • Mystery Gift for 12000 Poké Coupons (PBR)

Up-Grade

• Japanese: アップグレード Upgrade
• Pokémon affected: Causes Porygon to evolve into Porygon2 when traded.
• Found:
  • Silph Co. (Generation II)
  • Team Rocket Base in Five Isle Meadow and Trainer Tower (Single Mode) (FR/LG)
  • Obtain from Professor Oak at his house in Eterna City after obtaining the National Dex. (D/P/Pt)
  • Fourth floor of the Galactic Eterna Building, Route 224 (Pt)
  • Mystery Gift for 9600 Poké Coupons (PBR)
  • Obtained from a man in the Silph Co. building (HG/SS)

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