[{"item_identifier":"abomasite","evolves_from_pokemon_form_identifier":"abomasnow-default","evolves_to_pokemon_form_identifier":"abomasnow-mega-evolution","notes":"If held by Abomasnow and the Trainer has a Key Stone"},{"item_identifier":"absolite","evolves_from_pokemon_form_identifier":"absol-default","evolves_to_pokemon_form_identifier":"absol-mega-evolution","notes":"Requires a Key Stone"},{"item_identifier":"absolite-z","evolves_from_pokemon_form_identifier":"absol-default","evolves_to_pokemon_form_identifier":"absol-mega-evolution-z","notes":"If held by Absol and the Trainer has a Key Stone"},{"item_identifier":"adamant-crystal","evolves_from_pokemon_form_identifier":"dialga-default","evolves_to_pokemon_form_identifier":"dialga-origin","notes":"Allows Dialga to change between its normal form and Origin Forme"},{"item_identifier":"aerodactylite","evolves_from_pokemon_form_identifier":"aerodactyl-default","evolves_to_pokemon_form_identifier":"aerodactyl-mega-evolution","notes":"While holding the item and the Trainer has a Key Stone"},{"item_identifier":"aggronite","evolves_from_pokemon_form_identifier":"aggron-default","evolves_to_pokemon_form_identifier":"aggron-mega-evolution","notes":"Held by Aggron with a Key Stone"},{"item_identifier":"alakazite","evolves_from_pokemon_form_identifier":"alakazam-default","evolves_to_pokemon_form_identifier":"alakazam-mega-evolution","notes":"Held by Alakazam with a Key Stone"},{"item_identifier":"altarianite","evolves_from_pokemon_form_identifier":"altaria-default","evolves_to_pokemon_form_identifier":"altaria-mega-evolution","notes":"Held by Altaria with a Key Stone"},{"item_identifier":"ampharosite","evolves_from_pokemon_form_identifier":"ampharos-default","evolves_to_pokemon_form_identifier":"ampharos-mega-evolution","notes":"Held by Ampharos with a Key Stone"},{"item_identifier":"armor-fossil","evolves_from_pokemon_form_identifier":null,"evolves_to_pokemon_form_identifier":"shieldon-default","notes":"Regenerated at a fossil restoration location"},{"item_identifier":"audinite","evolves_from_pokemon_form_identifier":"audino-default","evolves_to_pokemon_form_identifier":"audino-mega-evolution","notes":"Held by Audino with a Key Stone"},{"item_identifier":"auspicious-armor","evolves_from_pokemon_form_identifier":"charcadet-default","evolves_to_pokemon_form_identifier":"armarouge-default","notes":"Use the item on Charcadet"},{"item_identifier":"banettite","evolves_from_pokemon_form_identifier":"banette-default","evolves_to_pokemon_form_identifier":"banette-mega-evolution","notes":"Held by Banette with a Key Stone"},{"item_identifier":"barbaracite","evolves_from_pokemon_form_identifier":"barbaracle-default","evolves_to_pokemon_form_identifier":"barbaracle-mega-evolution","notes":"If held by Barbaracle and the Trainer has a Key Stone"},{"item_identifier":"baxcalibrite","evolves_from_pokemon_form_identifier":"baxcalibur-default","evolves_to_pokemon_form_identifier":"baxcalibur-mega-evolution","notes":"If held by Baxcalibur and the Trainer has a Key Stone."},{"item_identifier":"beedrillite","evolves_from_pokemon_form_identifier":"beedrill-default","evolves_to_pokemon_form_identifier":"beedrill-mega-evolution","notes":"Held by Beedrill with a Key Stone"},{"item_identifier":"berry-sweet","evolves_from_pokemon_form_identifier":"milcery-default","evolves_to_pokemon_form_identifier":"alcremie-default","notes":"Player spins while Milcery is holding the item; the item is consumed."},{"item_identifier":"black-augurite","evolves_from_pokemon_form_identifier":"scyther-default","evolves_to_pokemon_form_identifier":"kleavor-default","notes":null},{"item_identifier":"blastoisinite","evolves_from_pokemon_form_identifier":"blastoise-default","evolves_to_pokemon_form_identifier":"blastoise-mega-evolution","notes":"Requires a Key Stone"},{"item_identifier":"blazikenite","evolves_from_pokemon_form_identifier":"blaziken-default","evolves_to_pokemon_form_identifier":"blaziken-mega-evolution","notes":"Held by Blaziken with a Key Stone"},{"item_identifier":"cameruptite","evolves_from_pokemon_form_identifier":"camerupt-default","evolves_to_pokemon_form_identifier":"camerupt-mega-evolution","notes":"Held by Camerupt with a Key Stone during battle"},{"item_identifier":"chandelurite","evolves_from_pokemon_form_identifier":"chandelure-default","evolves_to_pokemon_form_identifier":"chandelure-mega-evolution","notes":"If held by Chandelure and the Trainer has a Key Stone"},{"item_identifier":"charizardite-x","evolves_from_pokemon_form_identifier":"charizard-default","evolves_to_pokemon_form_identifier":"charizard-mega-evolution-x","notes":"Held by Charizard with a Key Stone"},{"item_identifier":"charizardite-y","evolves_from_pokemon_form_identifier":"charizard-default","evolves_to_pokemon_form_identifier":"charizard-mega-evolution-y","notes":"Held by Charizard while the Trainer has a Key Stone"},{"item_identifier":"chesnaughtite","evolves_from_pokemon_form_identifier":"chesnaught-default","evolves_to_pokemon_form_identifier":"chesnaught-mega-evolution","notes":"Held by Chesnaught with a Trainer possessing a Key Stone"},{"item_identifier":"chimechite","evolves_from_pokemon_form_identifier":"chimecho-default","evolves_to_pokemon_form_identifier":"chimecho-mega-evolution","notes":"While held by Chimecho during battle and the Trainer has a Key Stone"},{"item_identifier":"chipped-pot","evolves_from_pokemon_form_identifier":"sinistea-antique","evolves_to_pokemon_form_identifier":"polteageist-antique","notes":"Antique Form Sinistea only"},{"item_identifier":"claw-fossil","evolves_from_pokemon_form_identifier":null,"evolves_to_pokemon_form_identifier":"anorith-default","notes":"Regenerated at a fossil restoration facility"},{"item_identifier":"clefablite","evolves_from_pokemon_form_identifier":"clefable-default","evolves_to_pokemon_form_identifier":"clefable-mega-evolution","notes":"If held by Clefable during battle and the Trainer has a Key Stone"},{"item_identifier":"clover-sweet","evolves_from_pokemon_form_identifier":"milcery-default","evolves_to_pokemon_form_identifier":"alcremie-default","notes":"Player performs a spin while Milcery is holding the item"},{"item_identifier":"cover-fossil","evolves_from_pokemon_form_identifier":null,"evolves_to_pokemon_form_identifier":"tirtouga-default","notes":"Restored at a fossil restoration facility"},{"item_identifier":"crabominite","evolves_from_pokemon_form_identifier":"crabominable-default","evolves_to_pokemon_form_identifier":"crabominable-mega-evolution","notes":"Held by Crabominable with a Key Stone during battle"},{"item_identifier":"cracked-pot","evolves_from_pokemon_form_identifier":"sinistea-phony","evolves_to_pokemon_form_identifier":"polteageist-phony","notes":"Only works on Phony Form Sinistea"},{"item_identifier":"darkinium-z","evolves_from_pokemon_form_identifier":"arceus-default","evolves_to_pokemon_form_identifier":"arceus-dark","notes":"Changes Arceus to its Dark-type form via Multitype."},{"item_identifier":"darkranite","evolves_from_pokemon_form_identifier":"darkrai-default","evolves_to_pokemon_form_identifier":"darkrai-mega-evolution","notes":"Held by Darkrai with a Trainer possessing a Key Stone"},{"item_identifier":"dawn-stone","evolves_from_pokemon_form_identifier":"kirlia-default","evolves_to_pokemon_form_identifier":"gallade-default","notes":"Male Kirlia only"},{"item_identifier":"dawn-stone","evolves_from_pokemon_form_identifier":"snorunt-default","evolves_to_pokemon_form_identifier":"froslass-default","notes":"Female Snorunt only"},{"item_identifier":"deep-sea-scale","evolves_from_pokemon_form_identifier":"clamperl-default","evolves_to_pokemon_form_identifier":"gorebyss-default","notes":"Trade while holding this item"},{"item_identifier":"deep-sea-tooth","evolves_from_pokemon_form_identifier":"clamperl-default","evolves_to_pokemon_form_identifier":"huntail-default","notes":"Trade while holding this item"},{"item_identifier":"delphoxite","evolves_from_pokemon_form_identifier":"delphox-default","evolves_to_pokemon_form_identifier":"delphox-mega-evolution","notes":"Requires a Key Stone"},{"item_identifier":"diancite","evolves_from_pokemon_form_identifier":"diancie-default","evolves_to_pokemon_form_identifier":"diancie-mega-evolution","notes":"Held by Diancie with a Key Stone"},{"item_identifier":"dna-splicers","evolves_from_pokemon_form_identifier":"kyurem-default","evolves_to_pokemon_form_identifier":"kyurem-white","notes":"Fuse Kyurem with Reshiram"},{"item_identifier":"dna-splicers","evolves_from_pokemon_form_identifier":"kyurem-default","evolves_to_pokemon_form_identifier":"kyurem-black","notes":"Fuse Kyurem with Zekrom"},{"item_identifier":"dome-fossil","evolves_from_pokemon_form_identifier":null,"evolves_to_pokemon_form_identifier":"kabuto-default","notes":"Regenerated at a fossil restoration facility"},{"item_identifier":"dragalgite","evolves_from_pokemon_form_identifier":"dragalge-default","evolves_to_pokemon_form_identifier":"dragalge-mega-evolution","notes":"Held by Dragalge during battle if the Trainer has a Key Stone"},{"item_identifier":"dragon-scale","evolves_from_pokemon_form_identifier":"seadra-default","evolves_to_pokemon_form_identifier":"kingdra-default","notes":"Trade while holding the item"},{"item_identifier":"dragoninite","evolves_from_pokemon_form_identifier":"dragonite-default","evolves_to_pokemon_form_identifier":"dragonite-mega-evolution","notes":"Held by Dragonite during battle while the Trainer has a Key Stone"},{"item_identifier":"drampanite","evolves_from_pokemon_form_identifier":"drampa-default","evolves_to_pokemon_form_identifier":"drampa-mega-evolution","notes":"If held by Drampa and the Trainer has a Key Stone"},{"item_identifier":"dubious-disc","evolves_from_pokemon_form_identifier":"porygon2-default","evolves_to_pokemon_form_identifier":"porygon-z-default","notes":"Trade while holding the item; in Legends: Arceus, use directly"},{"item_identifier":"dusk-stone","evolves_from_pokemon_form_identifier":"doublade-default","evolves_to_pokemon_form_identifier":"aegislash-shield","notes":null},{"item_identifier":"dusk-stone","evolves_from_pokemon_form_identifier":"lampent-default","evolves_to_pokemon_form_identifier":"chandelure-default","notes":null},{"item_identifier":"dusk-stone","evolves_from_pokemon_form_identifier":"misdreavus-default","evolves_to_pokemon_form_identifier":"mismagius-default","notes":null},{"item_identifier":"dusk-stone","evolves_from_pokemon_form_identifier":"murkrow-default","evolves_to_pokemon_form_identifier":"honchkrow-default","notes":null},{"item_identifier":"eelektrossite","evolves_from_pokemon_form_identifier":"eelektross-default","evolves_to_pokemon_form_identifier":"eelektross-mega-evolution","notes":"If held by Eelektross during battle and the Trainer has a Key Stone"},{"item_identifier":"electirizer","evolves_from_pokemon_form_identifier":"electabuzz-default","evolves_to_pokemon_form_identifier":"electivire-default","notes":"Trade while holding the item; in Legends: Arceus, use directly on Electabuzz"},{"item_identifier":"emboarite","evolves_from_pokemon_form_identifier":"emboar-default","evolves_to_pokemon_form_identifier":"emboar-mega-evolution","notes":"Requires the Trainer to have a Key Stone"},{"item_identifier":"excadrite","evolves_from_pokemon_form_identifier":"excadrill-default","evolves_to_pokemon_form_identifier":"excadrill-mega-evolution","notes":"If held by Excadrill and the Trainer has a Key Stone"},{"item_identifier":"falinksite","evolves_from_pokemon_form_identifier":"falinks-default","evolves_to_pokemon_form_identifier":"falinks-mega-evolution","notes":"Requires the Trainer to have a Key Stone."},{"item_identifier":"feraligite","evolves_from_pokemon_form_identifier":"feraligatr-default","evolves_to_pokemon_form_identifier":"feraligatr-mega-evolution","notes":"If held by Feraligatr and the Trainer has a Key Stone"},{"item_identifier":"fire-stone","evolves_from_pokemon_form_identifier":"capsakid-default","evolves_to_pokemon_form_identifier":"scovillain-default","notes":null},{"item_identifier":"fire-stone","evolves_from_pokemon_form_identifier":"eevee-default","evolves_to_pokemon_form_identifier":"flareon-default","notes":"Cannot evolve Partner Eevee or Eevee with the Gigantamax Factor"},{"item_identifier":"fire-stone","evolves_from_pokemon_form_identifier":"growlithe-default","evolves_to_pokemon_form_identifier":"arcanine-default","notes":null},{"item_identifier":"fire-stone","evolves_from_pokemon_form_identifier":"growlithe-hisuian","evolves_to_pokemon_form_identifier":"arcanine-hisuian","notes":null},{"item_identifier":"fire-stone","evolves_from_pokemon_form_identifier":"pansear-default","evolves_to_pokemon_form_identifier":"simisear-default","notes":null},{"item_identifier":"fire-stone","evolves_from_pokemon_form_identifier":"vulpix-default","evolves_to_pokemon_form_identifier":"ninetales-default","notes":null},{"item_identifier":"floettite","evolves_from_pokemon_form_identifier":"floette-eternal","evolves_to_pokemon_form_identifier":"floette-mega-evolution","notes":"If held and the Trainer has a Key Stone"},{"item_identifier":"flower-sweet","evolves_from_pokemon_form_identifier":"milcery-default","evolves_to_pokemon_form_identifier":"alcremie-default","notes":"Spin while Milcery is holding the item"},{"item_identifier":"fossilized-bird","evolves_from_pokemon_form_identifier":null,"evolves_to_pokemon_form_identifier":"arctozolt-default","notes":"Combined with Fossilized Dino at the Revival Machine"},{"item_identifier":"fossilized-bird","evolves_from_pokemon_form_identifier":null,"evolves_to_pokemon_form_identifier":"dracozolt-default","notes":"Combined with Fossilized Drake at the Revival Machine"},{"item_identifier":"fossilized-drake","evolves_from_pokemon_form_identifier":null,"evolves_to_pokemon_form_identifier":"dracovish-default","notes":"Combined with a Fossilized Fish at the Revival Machine"},{"item_identifier":"fossilized-drake","evolves_from_pokemon_form_identifier":null,"evolves_to_pokemon_form_identifier":"dracozolt-default","notes":"Combined with a Fossilized Bird at the Revival Machine"},{"item_identifier":"fossilized-fish","evolves_from_pokemon_form_identifier":null,"evolves_to_pokemon_form_identifier":"arctovish-default","notes":"Combined with a Fossilized Dino at the Revival Machine"},{"item_identifier":"fossilized-fish","evolves_from_pokemon_form_identifier":null,"evolves_to_pokemon_form_identifier":"dracovish-default","notes":"Combined with a Fossilized Drake at the Revival Machine"},{"item_identifier":"froslassite","evolves_from_pokemon_form_identifier":"froslass-default","evolves_to_pokemon_form_identifier":"froslass-mega-evolution","notes":"If held by Froslass and the Trainer has a Key Stone"},{"item_identifier":"full-incense","evolves_from_pokemon_form_identifier":"snorlax-default","evolves_to_pokemon_form_identifier":"munchlax-default","notes":"Held by a parent when breeding Snorlax"},{"item_identifier":"galarica-cuff","evolves_from_pokemon_form_identifier":"slowpoke-galarian","evolves_to_pokemon_form_identifier":"slowbro-galarian","notes":"Use on Galarian Slowpoke"},{"item_identifier":"galarica-wreath","evolves_from_pokemon_form_identifier":"slowpoke-galarian","evolves_to_pokemon_form_identifier":"slowking-galarian","notes":"Use the item on Galarian Slowpoke"},{"item_identifier":"galladite","evolves_from_pokemon_form_identifier":"gallade-default","evolves_to_pokemon_form_identifier":"gallade-mega-evolution","notes":"Held by Gallade with a Key Stone"},{"item_identifier":"garchompite","evolves_from_pokemon_form_identifier":"garchomp-default","evolves_to_pokemon_form_identifier":"garchomp-mega-evolution","notes":"Held by Garchomp with a Key Stone"},{"item_identifier":"garchompite-z","evolves_from_pokemon_form_identifier":"garchomp-default","evolves_to_pokemon_form_identifier":"garchomp-mega-evolution-z","notes":"Held by Garchomp with a Key Stone"},{"item_identifier":"gardevoirite","evolves_from_pokemon_form_identifier":"gardevoir-default","evolves_to_pokemon_form_identifier":"gardevoir-mega-evolution","notes":"Held by Gardevoir with a Key Stone"},{"item_identifier":"gengarite","evolves_from_pokemon_form_identifier":"gengar-default","evolves_to_pokemon_form_identifier":"gengar-mega-evolution","notes":"Requires a Key Stone"},{"item_identifier":"glalitite","evolves_from_pokemon_form_identifier":"glalie-default","evolves_to_pokemon_form_identifier":"glalie-mega-evolution","notes":"Held by Glalie with a Key Stone"},{"item_identifier":"glimmoranite","evolves_from_pokemon_form_identifier":"glimmora-default","evolves_to_pokemon_form_identifier":"glimmora-mega-evolution","notes":"If held by Glimmora and the Trainer has a Key Stone"},{"item_identifier":"golisopite","evolves_from_pokemon_form_identifier":"golisopod-default","evolves_to_pokemon_form_identifier":"golisopod-mega-evolution","notes":"Requires the Pokémon to hold the item and the Trainer to have a Key Stone."},{"item_identifier":"golurkite","evolves_from_pokemon_form_identifier":"golurk-default","evolves_to_pokemon_form_identifier":"golurk-mega-evolution","notes":"If held by Golurk and the Trainer has a Key Stone"},{"item_identifier":"gracidea","evolves_from_pokemon_form_identifier":"shaymin-land","evolves_to_pokemon_form_identifier":"shaymin-sky","notes":"Use during daytime on Land Forme Shaymin that is not frozen"},{"item_identifier":"greninjite","evolves_from_pokemon_form_identifier":"greninja-default","evolves_to_pokemon_form_identifier":"greninja-mega-evolution","notes":"If held by Greninja and the Trainer has a Key Stone"},{"item_identifier":"griseous-core","evolves_from_pokemon_form_identifier":"giratina-origin","evolves_to_pokemon_form_identifier":"giratina-altered","notes":"Used on or held by Giratina to switch between Altered Forme and Origin Forme"},{"item_identifier":"gyaradosite","evolves_from_pokemon_form_identifier":"gyarados-default","evolves_to_pokemon_form_identifier":"gyarados-mega-evolution","notes":"If held by Gyarados and the Trainer has a Key Stone"},{"item_identifier":"hawluchanite","evolves_from_pokemon_form_identifier":"hawlucha-default","evolves_to_pokemon_form_identifier":"hawlucha-mega-evolution","notes":"Requires the Trainer to have a Key Stone"},{"item_identifier":"hearthflame-mask","evolves_from_pokemon_form_identifier":"ogerpon-teal-mask","evolves_to_pokemon_form_identifier":"ogerpon-hearthflame-mask","notes":"Changes Ogerpon to its Hearthflame Mask form while held"},{"item_identifier":"heatranite","evolves_from_pokemon_form_identifier":"heatran-default","evolves_to_pokemon_form_identifier":"heatran-mega-evolution","notes":"If held by Heatran and the Trainer has a Key Stone"},{"item_identifier":"helix-fossil","evolves_from_pokemon_form_identifier":null,"evolves_to_pokemon_form_identifier":"omanyte-default","notes":"Regenerated at a fossil restoration facility"},{"item_identifier":"heracronite","evolves_from_pokemon_form_identifier":"heracross-default","evolves_to_pokemon_form_identifier":"heracross-mega-evolution","notes":"Held by Heracross with a Key Stone"},{"item_identifier":"houndoominite","evolves_from_pokemon_form_identifier":"houndoom-default","evolves_to_pokemon_form_identifier":"houndoom-mega-evolution","notes":"Requires the Trainer to have a Key Stone"},{"item_identifier":"ice-stone","evolves_from_pokemon_form_identifier":"cetoddle-default","evolves_to_pokemon_form_identifier":"cetitan-default","notes":null},{"item_identifier":"ice-stone","evolves_from_pokemon_form_identifier":"crabrawler-default","evolves_to_pokemon_form_identifier":"crabominable-default","notes":"Generation IX and later"},{"item_identifier":"ice-stone","evolves_from_pokemon_form_identifier":"darumaka-galarian","evolves_to_pokemon_form_identifier":"darmanitan-galarian","notes":null},{"item_identifier":"ice-stone","evolves_from_pokemon_form_identifier":"eevee-default","evolves_to_pokemon_form_identifier":"glaceon-default","notes":"Generation VIII and later; cannot be used on Eevee with the Gigantamax Factor"},{"item_identifier":"ice-stone","evolves_from_pokemon_form_identifier":"sandshrew-alolan","evolves_to_pokemon_form_identifier":"sandslash-alolan","notes":null},{"item_identifier":"ice-stone","evolves_from_pokemon_form_identifier":"vulpix-alolan","evolves_to_pokemon_form_identifier":"ninetales-alolan","notes":null},{"item_identifier":"jaw-fossil","evolves_from_pokemon_form_identifier":null,"evolves_to_pokemon_form_identifier":"tyrunt-default","notes":"Restore at a fossil restoration facility"},{"item_identifier":"kangaskhanite","evolves_from_pokemon_form_identifier":"kangaskhan-default","evolves_to_pokemon_form_identifier":"kangaskhan-mega-evolution","notes":"Held by Kangaskhan with a Key Stone during battle"},{"item_identifier":"kings-rock","evolves_from_pokemon_form_identifier":"poliwhirl-default","evolves_to_pokemon_form_identifier":"politoed-default","notes":"Trade while holding the item"},{"item_identifier":"kings-rock","evolves_from_pokemon_form_identifier":"slowpoke-default","evolves_to_pokemon_form_identifier":"slowking-default","notes":"Trade while holding the item"},{"item_identifier":"latiasite","evolves_from_pokemon_form_identifier":"latias-default","evolves_to_pokemon_form_identifier":"latias-mega-evolution","notes":"Held by Latias with a Key Stone"},{"item_identifier":"latiosite","evolves_from_pokemon_form_identifier":"latios-default","evolves_to_pokemon_form_identifier":"latios-mega-evolution","notes":"Requires a Key Stone; only one Mega Evolution per battle"},{"item_identifier":"lax-incense","evolves_from_pokemon_form_identifier":"wobbuffet-default","evolves_to_pokemon_form_identifier":"wynaut-default","notes":"Held by a parent when breeding"},{"item_identifier":"leaders-crest","evolves_from_pokemon_form_identifier":"bisharp-default","evolves_to_pokemon_form_identifier":"kingambit-default","notes":"Have Bisharp defeat three other Bisharp that are holding a Leader's Crest, then level up."},{"item_identifier":"leaf-stone","evolves_from_pokemon_form_identifier":"eevee-default","evolves_to_pokemon_form_identifier":"leafeon-default","notes":"Generation VIII onward; cannot evolve Eevee with Gigantamax Factor"},{"item_identifier":"leaf-stone","evolves_from_pokemon_form_identifier":"exeggcute-default","evolves_to_pokemon_form_identifier":"exeggutor-default","notes":"Alolan Exeggutor when used in Alola"},{"item_identifier":"leaf-stone","evolves_from_pokemon_form_identifier":"gloom-default","evolves_to_pokemon_form_identifier":"vileplume-default","notes":null},{"item_identifier":"leaf-stone","evolves_from_pokemon_form_identifier":"nuzleaf-default","evolves_to_pokemon_form_identifier":"shiftry-default","notes":null},{"item_identifier":"leaf-stone","evolves_from_pokemon_form_identifier":"pansage-default","evolves_to_pokemon_form_identifier":"simisage-default","notes":null},{"item_identifier":"leaf-stone","evolves_from_pokemon_form_identifier":"voltorb-hisuian","evolves_to_pokemon_form_identifier":"electrode-hisuian","notes":null},{"item_identifier":"leaf-stone","evolves_from_pokemon_form_identifier":"weepinbell-default","evolves_to_pokemon_form_identifier":"victreebel-default","notes":null},{"item_identifier":"linking-cord","evolves_from_pokemon_form_identifier":"graveler-default","evolves_to_pokemon_form_identifier":"golem-default","notes":null},{"item_identifier":"linking-cord","evolves_from_pokemon_form_identifier":"haunter-default","evolves_to_pokemon_form_identifier":"gengar-default","notes":null},{"item_identifier":"linking-cord","evolves_from_pokemon_form_identifier":"kadabra-default","evolves_to_pokemon_form_identifier":"alakazam-default","notes":null},{"item_identifier":"linking-cord","evolves_from_pokemon_form_identifier":"machoke-default","evolves_to_pokemon_form_identifier":"machamp-default","notes":null},{"item_identifier":"lopunnite","evolves_from_pokemon_form_identifier":"lopunny-default","evolves_to_pokemon_form_identifier":"lopunny-mega-evolution","notes":"Held by Lopunny with a Key Stone"},{"item_identifier":"love-sweet","evolves_from_pokemon_form_identifier":"milcery-default","evolves_to_pokemon_form_identifier":"alcremie-default","notes":"When the player spins while Milcery is holding the item"},{"item_identifier":"lucarionite","evolves_from_pokemon_form_identifier":"lucario-default","evolves_to_pokemon_form_identifier":"lucario-mega-evolution","notes":"If held by Lucario and the Trainer has a Key Stone"},{"item_identifier":"lucarionite-z","evolves_from_pokemon_form_identifier":"lucario-default","evolves_to_pokemon_form_identifier":"lucario-mega-evolution-z","notes":"Held by Lucario during battle with a Key Stone"},{"item_identifier":"magearnite","evolves_from_pokemon_form_identifier":"magearna-default","evolves_to_pokemon_form_identifier":"magearna-mega-evolution","notes":"If held by Magearna and the Trainer has a Key Stone"},{"item_identifier":"magmarizer","evolves_from_pokemon_form_identifier":"magmar-default","evolves_to_pokemon_form_identifier":"magmortar-default","notes":"Trade while holding the item; in Legends: Arceus, use directly"},{"item_identifier":"malamarite","evolves_from_pokemon_form_identifier":"malamar-default","evolves_to_pokemon_form_identifier":"malamar-mega-evolution","notes":"If held during battle and the Trainer has a Key Stone"},{"item_identifier":"malicious-armor","evolves_from_pokemon_form_identifier":"charcadet-default","evolves_to_pokemon_form_identifier":"ceruledge-default","notes":"Use the item"},{"item_identifier":"manectite","evolves_from_pokemon_form_identifier":"manectric-default","evolves_to_pokemon_form_identifier":"manectric-mega-evolution","notes":"Held by Manectric while the Trainer has a Key Stone"},{"item_identifier":"masterpiece-teacup","evolves_from_pokemon_form_identifier":"poltchageist-artisan","evolves_to_pokemon_form_identifier":"sinistcha-masterpiece","notes":"Artisan Form Poltchageist evolves into Masterpiece Form Sinistcha upon use"},{"item_identifier":"mawilite","evolves_from_pokemon_form_identifier":"mawile-default","evolves_to_pokemon_form_identifier":"mawile-mega-evolution","notes":"Held by Mawile with a Key Stone"},{"item_identifier":"medichamite","evolves_from_pokemon_form_identifier":"medicham-default","evolves_to_pokemon_form_identifier":"medicham-mega-evolution","notes":"Held by Medicham with a Key Stone"},{"item_identifier":"meganiumite","evolves_from_pokemon_form_identifier":"meganium-default","evolves_to_pokemon_form_identifier":"meganium-mega-evolution","notes":"Held by Meganium during battle with a Trainer who has a Key Stone"},{"item_identifier":"meowsticite","evolves_from_pokemon_form_identifier":"meowstic-female","evolves_to_pokemon_form_identifier":"meowstic-mega-evolution","notes":"If held by Meowstic and the Trainer has a Key Stone"},{"item_identifier":"meowsticite","evolves_from_pokemon_form_identifier":"meowstic-male","evolves_to_pokemon_form_identifier":"meowstic-mega-evolution","notes":"If held by Meowstic and the Trainer has a Key Stone"},{"item_identifier":"metagrossite","evolves_from_pokemon_form_identifier":"metagross-default","evolves_to_pokemon_form_identifier":"metagross-mega-evolution","notes":"Held by Metagross with a Key Stone"},{"item_identifier":"metal-alloy","evolves_from_pokemon_form_identifier":"duraludon-default","evolves_to_pokemon_form_identifier":"archaludon-default","notes":"Use the item"},{"item_identifier":"metal-coat","evolves_from_pokemon_form_identifier":"onix-default","evolves_to_pokemon_form_identifier":"steelix-default","notes":"Trade while holding the item, or use directly in Legends: Arceus"},{"item_identifier":"metal-coat","evolves_from_pokemon_form_identifier":"scyther-default","evolves_to_pokemon_form_identifier":"scizor-default","notes":"Trade while holding the item, or use directly in Legends: Arceus"},{"item_identifier":"mewtwonite-x","evolves_from_pokemon_form_identifier":"mewtwo-default","evolves_to_pokemon_form_identifier":"mewtwo-mega-evolution-x","notes":"Requires a Key Stone"},{"item_identifier":"mewtwonite-y","evolves_from_pokemon_form_identifier":"mewtwo-default","evolves_to_pokemon_form_identifier":"mewtwo-mega-evolution-y","notes":"Held by Mewtwo while the Trainer has a Key Stone"},{"item_identifier":"moon-flute","evolves_from_pokemon_form_identifier":"cosmog-default","evolves_to_pokemon_form_identifier":"lunala-default","notes":"Played in harmony with the Sun Flute at the Altar of the Moone during the storyline of Pokémon Moon or Ultra Moon."},{"item_identifier":"moon-flute","evolves_from_pokemon_form_identifier":"cosmog-default","evolves_to_pokemon_form_identifier":"solgaleo-default","notes":"Played in harmony with the Sun Flute at the Altar of the Sunne during the storyline of Pokémon Sun or Ultra Sun."},{"item_identifier":"moon-stone","evolves_from_pokemon_form_identifier":"clefairy-default","evolves_to_pokemon_form_identifier":"clefable-default","notes":null},{"item_identifier":"moon-stone","evolves_from_pokemon_form_identifier":"jigglypuff-default","evolves_to_pokemon_form_identifier":"wigglytuff-default","notes":null},{"item_identifier":"moon-stone","evolves_from_pokemon_form_identifier":"munna-default","evolves_to_pokemon_form_identifier":"musharna-default","notes":null},{"item_identifier":"moon-stone","evolves_from_pokemon_form_identifier":"nidorina-default","evolves_to_pokemon_form_identifier":"nidoqueen-default","notes":null},{"item_identifier":"moon-stone","evolves_from_pokemon_form_identifier":"nidorino-default","evolves_to_pokemon_form_identifier":"nidoking-default","notes":null},{"item_identifier":"moon-stone","evolves_from_pokemon_form_identifier":"skitty-default","evolves_to_pokemon_form_identifier":"delcatty-default","notes":null},{"item_identifier":"mystery-egg","evolves_from_pokemon_form_identifier":null,"evolves_to_pokemon_form_identifier":"togepi-default","notes":"Hatches after being carried in the party"},{"item_identifier":"n-lunarizer","evolves_from_pokemon_form_identifier":"necrozma-default","evolves_to_pokemon_form_identifier":"necrozma-dawn-wings","notes":"Use on Necrozma while owning Lunala"},{"item_identifier":"n-solarizer","evolves_from_pokemon_form_identifier":"necrozma-default","evolves_to_pokemon_form_identifier":"necrozma-dusk-mane","notes":"Fuse Necrozma with Solgaleo"},{"item_identifier":"odd-incense","evolves_from_pokemon_form_identifier":"mr-mime-default","evolves_to_pokemon_form_identifier":"mime-jr-default","notes":"Held by either parent when breeding"},{"item_identifier":"odd-incense","evolves_from_pokemon_form_identifier":"mr-rime-default","evolves_to_pokemon_form_identifier":"mime-jr-default","notes":"Held by either parent when breeding"},{"item_identifier":"old-amber","evolves_from_pokemon_form_identifier":null,"evolves_to_pokemon_form_identifier":"aerodactyl-default","notes":"Revived at a fossil restoration facility"},{"item_identifier":"oval-stone","evolves_from_pokemon_form_identifier":"happiny-default","evolves_to_pokemon_form_identifier":"chansey-default","notes":"Level up during the day while holding the item"},{"item_identifier":"peat-block","evolves_from_pokemon_form_identifier":"ursaring-default","evolves_to_pokemon_form_identifier":"ursaluna-default","notes":"Used during a full moon"},{"item_identifier":"pebble","evolves_from_pokemon_form_identifier":"zygarde-complete","evolves_to_pokemon_form_identifier":"zygarde-mega-evolution","notes":"Transforms into Zygardite during the battle against Hyperrogue Ange Floette and enables Mega Evolution."},{"item_identifier":"pidgeotite","evolves_from_pokemon_form_identifier":"pidgeot-default","evolves_to_pokemon_form_identifier":"pidgeot-mega-evolution","notes":"Trainer has a Key Stone"},{"item_identifier":"pinsirite","evolves_from_pokemon_form_identifier":"pinsir-default","evolves_to_pokemon_form_identifier":"pinsir-mega-evolution","notes":"Requires Key Stone; Mega Evolution during battle or specific contexts"},{"item_identifier":"plume-fossil","evolves_from_pokemon_form_identifier":null,"evolves_to_pokemon_form_identifier":"archen-default","notes":"Restore the fossil at a fossil restoration facility."},{"item_identifier":"prism-scale","evolves_from_pokemon_form_identifier":"feebas-default","evolves_to_pokemon_form_identifier":"milotic-default","notes":"Trade while holding the Prism Scale"},{"item_identifier":"prison-bottle","evolves_from_pokemon_form_identifier":"hoopa-confined","evolves_to_pokemon_form_identifier":"hoopa-unbound","notes":"Used on Hoopa Confined; effect lasts for three days"},{"item_identifier":"protector","evolves_from_pokemon_form_identifier":"rhydon-default","evolves_to_pokemon_form_identifier":"rhyperior-default","notes":"Trade while holding the item, or use directly in Legends: Arceus"},{"item_identifier":"pure-incense","evolves_from_pokemon_form_identifier":"chimecho-default","evolves_to_pokemon_form_identifier":"chingling-default","notes":"Held by either parent while breeding"},{"item_identifier":"purple-nectar","evolves_from_pokemon_form_identifier":"oricorio-baile","evolves_to_pokemon_form_identifier":"oricorio-sensu","notes":"Use on Oricorio outside of battle"},{"item_identifier":"purple-nectar","evolves_from_pokemon_form_identifier":"oricorio-pau","evolves_to_pokemon_form_identifier":"oricorio-sensu","notes":"Use on Oricorio outside of battle"},{"item_identifier":"purple-nectar","evolves_from_pokemon_form_identifier":"oricorio-pompom","evolves_to_pokemon_form_identifier":"oricorio-sensu","notes":"Use on Oricorio outside of battle"},{"item_identifier":"pyroarite","evolves_from_pokemon_form_identifier":"pyroar-female","evolves_to_pokemon_form_identifier":"pyroar-mega-evolution","notes":"If held by Pyroar during battle while the Trainer has a Key Stone"},{"item_identifier":"pyroarite","evolves_from_pokemon_form_identifier":"pyroar-male","evolves_to_pokemon_form_identifier":"pyroar-mega-evolution","notes":"If held by Pyroar during battle while the Trainer has a Key Stone"},{"item_identifier":"raichunite-x","evolves_from_pokemon_form_identifier":"raichu-default","evolves_to_pokemon_form_identifier":"raichu-mega-evolution-x","notes":"If held by a Kantonian Raichu and the Trainer has a Key Stone."},{"item_identifier":"raichunite-y","evolves_from_pokemon_form_identifier":"raichu-default","evolves_to_pokemon_form_identifier":"raichu-mega-evolution-y","notes":"Only works on Kantonian Raichu; Trainer must have a Key Stone."},{"item_identifier":"razor-claw","evolves_from_pokemon_form_identifier":"sneasel-default","evolves_to_pokemon_form_identifier":"weavile-default","notes":"Level up at night while holding the item"},{"item_identifier":"razor-claw","evolves_from_pokemon_form_identifier":"sneasel-hisuian","evolves_to_pokemon_form_identifier":"sneasler-default","notes":"Level up during the day while holding the item"},{"item_identifier":"razor-fang","evolves_from_pokemon_form_identifier":"gligar-default","evolves_to_pokemon_form_identifier":"gliscor-default","notes":"Level up at night while holding the item; in Legends: Arceus, use at night"},{"item_identifier":"reaper-cloth","evolves_from_pokemon_form_identifier":"dusclops-default","evolves_to_pokemon_form_identifier":"dusknoir-default","notes":"Trade while holding the item; in Legends: Arceus, use directly on Dusclops"},{"item_identifier":"reins-of-unity","evolves_from_pokemon_form_identifier":"calyrex-default","evolves_to_pokemon_form_identifier":"calyrex-ice-rider","notes":"Use on Calyrex while Glastrier is present"},{"item_identifier":"reins-of-unity","evolves_from_pokemon_form_identifier":"calyrex-default","evolves_to_pokemon_form_identifier":"calyrex-shadow-rider","notes":"Use on Calyrex while Spectrier is present"},{"item_identifier":"ribbon-sweet","evolves_from_pokemon_form_identifier":"milcery-default","evolves_to_pokemon_form_identifier":"alcremie-default","notes":"Player spins while Milcery is holding the item"},{"item_identifier":"root-fossil","evolves_from_pokemon_form_identifier":null,"evolves_to_pokemon_form_identifier":"lileep-default","notes":"Regenerated at a fossil restoration facility"},{"item_identifier":"rusted-shield","evolves_from_pokemon_form_identifier":"zamazenta-hero","evolves_to_pokemon_form_identifier":"zamazenta-shield","notes":"When held in battle"},{"item_identifier":"sablenite","evolves_from_pokemon_form_identifier":"sableye-default","evolves_to_pokemon_form_identifier":"sableye-mega-evolution","notes":"Held by Sableye with a Key Stone"},{"item_identifier":"sachet","evolves_from_pokemon_form_identifier":"spritzee-default","evolves_to_pokemon_form_identifier":"aromatisse-default","notes":"Trade while holding the item"},{"item_identifier":"sail-fossil","evolves_from_pokemon_form_identifier":null,"evolves_to_pokemon_form_identifier":"amaura-default","notes":"Regenerated at a fossil restoration facility"},{"item_identifier":"salamencite","evolves_from_pokemon_form_identifier":"salamence-default","evolves_to_pokemon_form_identifier":"salamence-mega-evolution","notes":"Held by Salamence with a Key Stone"},{"item_identifier":"sceptilite","evolves_from_pokemon_form_identifier":"sceptile-default","evolves_to_pokemon_form_identifier":"sceptile-mega-evolution","notes":"Held by Sceptile with a Key Stone"},{"item_identifier":"scizorite","evolves_from_pokemon_form_identifier":"scizor-default","evolves_to_pokemon_form_identifier":"scizor-mega-evolution","notes":"Held by Scizor with a Key Stone"},{"item_identifier":"scolipite","evolves_from_pokemon_form_identifier":"scolipede-default","evolves_to_pokemon_form_identifier":"scolipede-mega-evolution","notes":"If held by Scolipede and the Trainer has a Key Stone"},{"item_identifier":"scovillainite","evolves_from_pokemon_form_identifier":"scovillain-default","evolves_to_pokemon_form_identifier":"scovillain-mega-evolution","notes":"If held by Scovillain and the Trainer has a Key Stone"},{"item_identifier":"scraftinite","evolves_from_pokemon_form_identifier":"scrafty-default","evolves_to_pokemon_form_identifier":"scrafty-mega-evolution","notes":"Requires the Trainer to have a Key Stone"},{"item_identifier":"scroll-of-darkness","evolves_from_pokemon_form_identifier":"kubfu-default","evolves_to_pokemon_form_identifier":"urshifu-single-strike","notes":"Used from the Bag on Kubfu"},{"item_identifier":"scroll-of-waters","evolves_from_pokemon_form_identifier":"kubfu-default","evolves_to_pokemon_form_identifier":"urshifu-rapid-strike","notes":"Used from the Bag on Kubfu"},{"item_identifier":"sharpedonite","evolves_from_pokemon_form_identifier":"sharpedo-default","evolves_to_pokemon_form_identifier":"sharpedo-mega-evolution","notes":"Held by Sharpedo with a Key Stone"},{"item_identifier":"shiny-stone","evolves_from_pokemon_form_identifier":"floette-red","evolves_to_pokemon_form_identifier":"florges-red","notes":null},{"item_identifier":"shiny-stone","evolves_from_pokemon_form_identifier":"minccino-default","evolves_to_pokemon_form_identifier":"cinccino-default","notes":null},{"item_identifier":"shiny-stone","evolves_from_pokemon_form_identifier":"roselia-default","evolves_to_pokemon_form_identifier":"roserade-default","notes":null},{"item_identifier":"shiny-stone","evolves_from_pokemon_form_identifier":"togetic-default","evolves_to_pokemon_form_identifier":"togekiss-default","notes":null},{"item_identifier":"skarmorite","evolves_from_pokemon_form_identifier":"skarmory-default","evolves_to_pokemon_form_identifier":"skarmory-mega-evolution","notes":"Held by Skarmory with a Key Stone during battle"},{"item_identifier":"skull-fossil","evolves_from_pokemon_form_identifier":null,"evolves_to_pokemon_form_identifier":"cranidos-default","notes":"Regenerated at a fossil restoration facility"},{"item_identifier":"slowbronite","evolves_from_pokemon_form_identifier":"slowbro-default","evolves_to_pokemon_form_identifier":"slowbro-mega-evolution","notes":"Held by Kantonian Slowbro with a Key Stone"},{"item_identifier":"star-sweet","evolves_from_pokemon_form_identifier":"milcery-default","evolves_to_pokemon_form_identifier":"alcremie-default","notes":"Player spins while Milcery is holding the item"},{"item_identifier":"staraptite","evolves_from_pokemon_form_identifier":"staraptor-default","evolves_to_pokemon_form_identifier":"staraptor-mega-evolution","notes":"Held by Staraptor during battle with a Trainer who has a Key Stone"},{"item_identifier":"starminite","evolves_from_pokemon_form_identifier":"starmie-default","evolves_to_pokemon_form_identifier":"starmie-mega-evolution","notes":"Requires the Trainer to have a Key Stone."},{"item_identifier":"steelixite","evolves_from_pokemon_form_identifier":"steelix-default","evolves_to_pokemon_form_identifier":"steelix-mega-evolution","notes":"Held by Steelix with a Key Stone"},{"item_identifier":"strawberry-sweet","evolves_from_pokemon_form_identifier":"milcery-default","evolves_to_pokemon_form_identifier":"alcremie-default","notes":"When the player spins while Milcery is holding the item; the item is consumed."},{"item_identifier":"sun-flute","evolves_from_pokemon_form_identifier":"cosmoem-default","evolves_to_pokemon_form_identifier":"solgaleo-default","notes":"Played in harmony with the Moon Flute at the Altar of the Sunne during the storyline of Pokémon Sun or Ultra Sun"},{"item_identifier":"sun-flute","evolves_from_pokemon_form_identifier":"cosmoem-default","evolves_to_pokemon_form_identifier":"lunala-default","notes":"Played in harmony with the Moon Flute at the Altar of the Moone during the storyline of Pokémon Moon or Ultra Moon"},{"item_identifier":"sun-stone","evolves_from_pokemon_form_identifier":"cottonee-default","evolves_to_pokemon_form_identifier":"whimsicott-default","notes":null},{"item_identifier":"sun-stone","evolves_from_pokemon_form_identifier":"gloom-default","evolves_to_pokemon_form_identifier":"bellossom-default","notes":null},{"item_identifier":"sun-stone","evolves_from_pokemon_form_identifier":"helioptile-default","evolves_to_pokemon_form_identifier":"heliolisk-default","notes":null},{"item_identifier":"sun-stone","evolves_from_pokemon_form_identifier":"petilil-default","evolves_to_pokemon_form_identifier":"lilligant-default","notes":"Outside of Hisui"},{"item_identifier":"sun-stone","evolves_from_pokemon_form_identifier":"petilil-default","evolves_to_pokemon_form_identifier":"lilligant-hisuian","notes":"In Hisui"},{"item_identifier":"sun-stone","evolves_from_pokemon_form_identifier":"sunkern-default","evolves_to_pokemon_form_identifier":"sunflora-default","notes":null},{"item_identifier":"swampertite","evolves_from_pokemon_form_identifier":"swampert-default","evolves_to_pokemon_form_identifier":"swampert-mega-evolution","notes":"Held by Swampert with a Key Stone"},{"item_identifier":"sweet-apple","evolves_from_pokemon_form_identifier":"applin-default","evolves_to_pokemon_form_identifier":"appletun-default","notes":"Use on Applin"},{"item_identifier":"syrupy-apple","evolves_from_pokemon_form_identifier":"applin-default","evolves_to_pokemon_form_identifier":"dipplin-default","notes":"Use the item on Applin"},{"item_identifier":"tart-apple","evolves_from_pokemon_form_identifier":"applin-default","evolves_to_pokemon_form_identifier":"flapple-default","notes":"Use the item on Applin"},{"item_identifier":"tatsugirinite","evolves_from_pokemon_form_identifier":"tatsugiri-curly","evolves_to_pokemon_form_identifier":"tatsugiri-mega-evolution-curly","notes":"If held by Tatsugiri and the Trainer has a Key Stone"},{"item_identifier":"tatsugirinite","evolves_from_pokemon_form_identifier":"tatsugiri-droopy","evolves_to_pokemon_form_identifier":"tatsugiri-mega-evolution-droopy","notes":"If held by Tatsugiri and the Trainer has a Key Stone"},{"item_identifier":"tatsugirinite","evolves_from_pokemon_form_identifier":"tatsugiri-stretchy","evolves_to_pokemon_form_identifier":"tatsugiri-mega-evolution-stretchy","notes":"If held by Tatsugiri and the Trainer has a Key Stone"},{"item_identifier":"thunder-stone","evolves_from_pokemon_form_identifier":"charjabug-default","evolves_to_pokemon_form_identifier":"vikavolt-default","notes":"Generation VIII onward"},{"item_identifier":"thunder-stone","evolves_from_pokemon_form_identifier":"eelektrik-default","evolves_to_pokemon_form_identifier":"eelektross-default","notes":null},{"item_identifier":"thunder-stone","evolves_from_pokemon_form_identifier":"eevee-default","evolves_to_pokemon_form_identifier":"jolteon-default","notes":"Does not work on Partner Eevee or Eevee with Gigantamax Factor"},{"item_identifier":"thunder-stone","evolves_from_pokemon_form_identifier":"magneton-default","evolves_to_pokemon_form_identifier":"magnezone-default","notes":"Generation VIII onward"},{"item_identifier":"thunder-stone","evolves_from_pokemon_form_identifier":"nosepass-default","evolves_to_pokemon_form_identifier":"probopass-default","notes":"Generation VIII onward; excluded in Brilliant Diamond and Shining Pearl"},{"item_identifier":"thunder-stone","evolves_from_pokemon_form_identifier":"pikachu-default","evolves_to_pokemon_form_identifier":"raichu-alolan","notes":"In Alola"},{"item_identifier":"thunder-stone","evolves_from_pokemon_form_identifier":"pikachu-default","evolves_to_pokemon_form_identifier":"raichu-default","notes":"Outside of Alola; does not work on special Pikachu variants"},{"item_identifier":"thunder-stone","evolves_from_pokemon_form_identifier":"tadbulb-default","evolves_to_pokemon_form_identifier":"bellibolt-default","notes":null},{"item_identifier":"tyranitarite","evolves_from_pokemon_form_identifier":"tyranitar-default","evolves_to_pokemon_form_identifier":"tyranitar-mega-evolution","notes":"Held by Tyranitar with a Key Stone during battle"},{"item_identifier":"ultranecrozium-z","evolves_from_pokemon_form_identifier":"necrozma-dawn-wings","evolves_to_pokemon_form_identifier":"necrozma-ultra","notes":"Necrozma must be fused with Solgaleo and use Ultra Burst while holding Ultranecrozium Z"},{"item_identifier":"ultranecrozium-z","evolves_from_pokemon_form_identifier":"necrozma-dusk-mane","evolves_to_pokemon_form_identifier":"necrozma-ultra","notes":"Necrozma must be fused with Lunala and use Ultra Burst while holding Ultranecrozium Z"},{"item_identifier":"unremarkable-teacup","evolves_from_pokemon_form_identifier":"poltchageist-counterfeit","evolves_to_pokemon_form_identifier":"sinistcha-unremarkable","notes":"Counterfeit Form Poltchageist evolves into Unremarkable Form Sinistcha when the item is used"},{"item_identifier":"upgrade","evolves_from_pokemon_form_identifier":"porygon-default","evolves_to_pokemon_form_identifier":"porygon2-default","notes":"Trade while holding the item; in Legends: Arceus, use directly on Porygon."},{"item_identifier":"venusaurite","evolves_from_pokemon_form_identifier":"venusaur-default","evolves_to_pokemon_form_identifier":"venusaur-mega-evolution","notes":"Held by Venusaur with a Key Stone"},{"item_identifier":"victreebelite","evolves_from_pokemon_form_identifier":"victreebel-default","evolves_to_pokemon_form_identifier":"victreebel-mega-evolution","notes":"If held by Victreebel and the Trainer has a Key Stone"},{"item_identifier":"water-stone","evolves_from_pokemon_form_identifier":"eevee-default","evolves_to_pokemon_form_identifier":"vaporeon-default","notes":"Cannot be Partner Eevee or have the Gigantamax Factor"},{"item_identifier":"water-stone","evolves_from_pokemon_form_identifier":"lombre-default","evolves_to_pokemon_form_identifier":"ludicolo-default","notes":null},{"item_identifier":"water-stone","evolves_from_pokemon_form_identifier":"panpour-default","evolves_to_pokemon_form_identifier":"simipour-default","notes":null},{"item_identifier":"water-stone","evolves_from_pokemon_form_identifier":"poliwhirl-default","evolves_to_pokemon_form_identifier":"poliwrath-default","notes":null},{"item_identifier":"water-stone","evolves_from_pokemon_form_identifier":"shellder-default","evolves_to_pokemon_form_identifier":"cloyster-default","notes":null},{"item_identifier":"water-stone","evolves_from_pokemon_form_identifier":"staryu-default","evolves_to_pokemon_form_identifier":"starmie-default","notes":null},{"item_identifier":"wave-incense","evolves_from_pokemon_form_identifier":"mantine-default","evolves_to_pokemon_form_identifier":"mantyke-default","notes":"Held by a parent while breeding"},{"item_identifier":"wellspring-mask","evolves_from_pokemon_form_identifier":"ogerpon-teal-mask","evolves_to_pokemon_form_identifier":"ogerpon-wellspring-mask","notes":"While held by Ogerpon"},{"item_identifier":"whipped-dream","evolves_from_pokemon_form_identifier":"swirlix-default","evolves_to_pokemon_form_identifier":"slurpuff-default","notes":"Trade while holding the item"},{"item_identifier":"yellow-nectar","evolves_from_pokemon_form_identifier":"oricorio-baile","evolves_to_pokemon_form_identifier":"oricorio-pompom","notes":"Use on Oricorio outside of battle"},{"item_identifier":"yellow-nectar","evolves_from_pokemon_form_identifier":"oricorio-pau","evolves_to_pokemon_form_identifier":"oricorio-pompom","notes":"Use on Oricorio outside of battle"},{"item_identifier":"yellow-nectar","evolves_from_pokemon_form_identifier":"oricorio-sensu","evolves_to_pokemon_form_identifier":"oricorio-pompom","notes":"Use on Oricorio outside of battle"},{"item_identifier":"zeraorite","evolves_from_pokemon_form_identifier":"zeraora-default","evolves_to_pokemon_form_identifier":"zeraora-mega-evolution","notes":"If held by Zeraora and the Trainer has a Key Stone"},{"item_identifier":"zygardite","evolves_from_pokemon_form_identifier":"zygarde-complete","evolves_to_pokemon_form_identifier":"zygarde-mega-evolution","notes":"If held by Zygarde Complete Forme and the Trainer has a Key Stone"}]