Rattata: Alolan and Kantonian forms can be encountered separately
- Kantonian form evolves at Lv20 during day
Pikachu: 25% chance to spawn as new Alolan Pikachu (blue eyes)
- Evolves to Kantonian or Alolan Raichu using Thunder Stone, based on form
Spearow: Evolves at Lv24
Sandshrew: Alolan and Kantonian forms can be encountered separately
- Evolves at Lv26 regardless of form
Vulpix: Alolan and Kantonian forms can be encountered separately
- Alolan form evolves using Dawn Stone
Golbat: Evolves via happiness at night
Diglett: 25% chance to spawn as Alolan Diglett
- Kantonian/Alolan and Paldean (Wiglett) forms can be encountered separately
- Evolves into Kantonian, Alolan, or Paldean Dugtrio at Lv28, based on form
Wiglett/Wugtrio: Treated as a regional form of Diglett & Dugtrio
- Wiglett's stats slightly increased to match Diglett's
Meowth: Alolan, Galarian, and Kantonian forms can be encountered separately, but exclusively from each other
- Evolves at Lv30 regardless of form
Growlithe: Hisuian and Kantonian forms can be encountered separately
Primeape: Evolves with Dusk Stone
Poliwhirl: Evolves to Politoed when holding King's Rock at Lv30 or above
Kadabra: Evolves using Link Stone
Machoke: Evolves using Link Stone
Tentacool: Kantonian and Paldean (Toedscool) forms can be encountered separately
Toedscool/Toedscruel: Treated as a regional form of Tentacool & Tentacruel
Geodude: Alolan and Kantonian forms can be encountered separately
Graveler: Evolves using Link Stone
Ponyta: Galarian and Kantonian forms can be encountered separately
Slowpoke: 25% chance to spawn as Galarian Slowpoke
- Evolves to Kantonian or Galarian Slowbro at Lv37, based on form
- Evolves to Johtonian or Galarian Slowking when holding King's Rock at Lv30 or above, based on form
Magneton: Evolves using Thunder Stone
Farfetch'd: 15% chance to spawn as Galarian Farfetch'd
- Galarian form evolves when holding Razor Fang at Lv30 or above
Doduo: Evolves at Lv33
Grimer: 25% chance to spawn as Alolan Grimer
- Evolves into Kantonian or Alolan Muk at Lv38, based on form
Haunter: Evolves using Link Stone
Onix: Evolves when holding Metal Coat at Lv40 or above
Voltorb: Hisuian and Kantonian forms can be encountered separately
Drowzee: Evolves at Lv32
Exeggcute: Evolves into Alolan Exeggutor using Sun Stone
- Still evolves into Kantonian Exeggutor using Leaf Stone
Cubone: Evolves at Lv28 into Alolan Marowak at night, and Kantonian Marowak during day
Tyrogue: Evolves into Hitmontop at Lv20 when Speed > Attack & Defense
- Hitmonlee evolution now requires Attack > Defense & Speed
- Hitmonchan evolution now requires Defense > Attack & Speed
- Will push evolution to next level if any two of the three stats are tied for highest
Lickitung: Evolves when holding Lucky Egg at Lv40 or above
Koffing: 25% chance to spawn as new Galarian Koffing (green smoke)
- Evolves into Kantonian or Galarian Weezing at Lv35, based on form
Rhyhorn: Evolves at Lv38
Rhydon: Evolves using Link Stone
Happiny: Evolves when holding Lucky Egg at Lv15 or above
Horsea: Evolves at Lv30
Seadra: Evolves when holding King's Rock at Lv40 or above
Mime Jr: Evolves via happiness into Galarian Mr. Mime at night, or Kantonian Mr. Mime during day
Scyther: Evolves into Scizor when holding Metal Coat at Lv40 or above, or into Kleavor when holding a Razor Fang at Lv40 or above
- Scizor and Kleavor both have slightly boosted stats to compensate for later evolution
Smoochum: Evolves via happiness
Electabuzz: Evolves using Thunder Stone
Magmar: Evolves using Fire Stone
Tauros: Kantonian and all three Paldean forms can be encountered separately, but exclusively from each other
Eevee: Only evolves using evolution stones
- Water Stone: Vaporeon
- Fire Stone: Flareon
- Thunder Stone: Jolteon
- Leaf Stone: Leafeon
- Dawn Stone: Glaceon
- Dusk Stone: Espeon
- Moon Stone: Umbreon
- Sun Stone: Sylveon
- As a side note, these are the only 8 evolution stones present in the game
Porygon: Evolves when holding Metal Coat at Lv30 or above
Porygon2: Evolves using Link Stone
Quilava: Evolves at Lv36 into Hisuian Typhlosion if female, and Johtonian Typhlosion if male
Croconaw: Evolves at Lv32
Hoothoot: Evolves at Lv20 at night
Marill: Evolves at Lv28
- Marill and Azumarill's stats have been slightly increased to compensate
Bonsly: Evolves when holding King's Rock at Lv15 or above
Aipom: Evolves at Lv30
Yanma: Evolves at Lv33
Wooper: Paldean and Johtonian forms can be encountered separately
Girafarig: Evolves at Lv40
Dunsparce: Evolves when holding Lucky Egg at Lv40 or above
Gligar: Evolves when holding Razor Fang at Lv30 or above
- Gligar's stats have been slightly reduced
Qwilfish: 15% chance to spawn as Hisuian Qwilfish
- Hisuian form evolves at Lv37 at night
Sneasel: Hisuian and Johtonian forms can be encountered separately
- Both forms evolve when holding Razor Fang at Lv40 or above
Teddiursa: Evolves at Lv35
Ursaring: Evolves using a Moon Stone
Slugma: Evolves at Lv31
Swinub: Evolves at Lv28
Piloswine: Evolves at Lv44
Corsola: 15% chance to spawn as Galarian Corsola
Mantyke: Evolves at Lv25
Houndour: Evolves at Lv34
Stantler: Evolves at Lv40
Poochyena: Evolves at Lv21
Zigzagoon: Galarian and Hoennian forms can be encountered separately
- Evolves at Lv18 (during day for Hoennian Zigzagoon, night for Galarian)
Kirlia: Evolves using Dawn Stone into both Gardevoir (female) and Gallade (male)
Makuhita: Evolves at Lv28
- Makuhita's stats have been slightly boosted to compensate
Nosepass: Evolves when holding Metal Coat at Lv40 or above
Skitty: Evolves using a Sun Stone
Lairon: Evolves at Lv48
Meditite: Evolves at Lv33
Electrike: Evolves at Lv31
Roselia: Evolves using Leaf Stone
Trapinch: Evolves at Lv30 during the day
Barboach: Evolves at Lv38
Corphish: Evolves at Lv38
Baltoy: Evolves at Lv40
Lileep: Evolves at Lv36
Feebas: Evolves at Lv20
Duskull: Evolves at Lv34
Dusclops: Evolves using a Dusk Stone
Clamperl: Evolves using a Water Stone, into Huntail if male or Gorebyss if female
Luvdisc: Evolves into Alomomola at Lv30
- Executive decision made. There is no point in having two separate, useless, heart-shaped fish.
- Stats and movesets for both have been rebalanced to fit
Shelgon: Evolves at Lv55
Metang: Evolves at Lv50
Grotle: Evolves at Lv36
Starly: Evolves at Lv15
Bidoof: Evolves at Lv18
Kricketot: Evolves at Lv12
Shinx: Evolves at Lv17
Luxio: Evolves at Lv37
Shellos: 50/50 chance to spawn as East Sea or West Sea form
- This may change once more of the game is completed and Shellos has more possible spawn locations
Drifloon: Evolves at Lv36
Bronzor: Evolves at Lv40
Gabite: Evolves at Lv54
Dewott: Evolves at Lv36 into Hisuian Samurott at night and Unovan Samurott during the day
Purrloin: Evolves when holding Lucky Egg at Lv15 or above
- Liepard's stats have been slightly increased to compensate
Pidove: Evolves at Lv20
Boldore: Evolves using Link Stone
Gurdurr: Evolves using Link Stone
Tympole: Evolves at Lv23
Petilil: Evolves into Hisuian Lilligant using Moon Stone
- Still evolves into Unovan Lilligant using Sun Stone
Basculin: All forms evolve into Basculegion when holding a King's Rock at Lv40 or above
- Basculegion's color is now based on form instead of gender
- All three Basculin forms have equal chance of spawning
Krokorok: Evolves at Lv41
Darumaka: Galarian and Unovan forms can be encountered separately
- Galarian form evolves using Dawn Stone; Unovan form evolves using Fire Stone
Yamask: 15% chance to spawn as Galarian Yamask
- Evolves into Cohagrigus or Runerigus at Lv34, based on form
Zorua: Hisuian and Unovan forms can be encountered separately
- Both forms evolve at Lv39
Minccino: Evolves using a Dawn Stone
Gothita: Evolves at Lv28
Duosion: Evolves at Lv44
Vanillite: Evolves at Lv33
Vanillish: Evolves at Lv49
Karrablast: Evolves when holding Metal Coat at Lv30 or above
Klink: Evolves at Lv30
Klang: Evolves at Lv47
Tynamo: Evolves at Lv20
Litwick: Evolves at Lv28
Axew: Evolves at Lv35
Shelmet: Evolves when holding Razor Fang at Lv30 or above
Stunfisk: 15% chance to spawn as Galarian Stunfisk
Mienfoo: Evolves at Lv42
Golett: Evolves at Lv38
Pawniard: Evolves at Lv39
Bisharp: Evolves when holding King's Rock at Lv50 or above
Rufflet: 25% chance to spawn as new Hisuian Rufflet (purple feather)
- Evolves to Unovan or Hisuian Braviary at Lv44, based on form
Vullaby: Evolves at Lv44
Deino: Evolves at Lv32
Zweilous: Evolves at Lv52
Larvesta: Evolves at Lv50
Vivillon: Wing pattern is randomly determined, but unique to each save file
Floette: Evolves using Dawn Stone
Skiddo: Evolves at Lv40
Pancham: Evolves at Lv32 at night
Furfrou: Form may be changed by Daisy in her house in Pallet Town
- Form does not disappear with time
Espurr: Evolves at Lv31
Spritzee: Evolves when holding Lucky Egg at Lv30 or above
Swirlix: Evolves when holding Lucky Egg at Lv30 or above
Inkay: Evolves at Lv30
Skrelp: Evolves at Lv42
Tyrunt: Evolves at Lv48 during the day
Amaura: Evolves at Lv48 at night
Goomy: Evolves at Lv33 into either Hisuian Sliggoo if male or Kalosian Sliggoo if female
Sliggoo: Evolves at Lv52
Phantump: Evolves using Link Stone
Pumpkaboo: Evolves using Link Stone
Bergmite: 25% chance to spawn as new Hisuian Bergmite (brown legs)
Noibat: Given a minor stat boost to compensate for late evolution
Dartrix: Evolves into Hisuian Decidueye at Lv34 if its Attack is greater than its Defense
- Evolves into Alolan Decidueye in any other situation
- Both forms of Decidueye have slight stat changes to reflect this method
Pikipek: Evolves at Lv16
Trumbeak: Evolves at Lv35
Charjabug: Evolves using Thunder Stone
Crabrawler: Evolves using Water Stone
Oricorio: Form is randomly determined; cannot change form via Nectar
Rockruff: Evolves at Lv27
- No longer needs Own Tempo to evolve to Dusk Form Lycanroc
- Evolution based solely on time of day (Morning/Day: Midday Form, Evening: Dusk Form, Night: Midnight Form)
Mareanie: Evolves at Lv32
Mudbray: Evolves at Lv44
Dewpider: Evolves at Lv24
Morelull: Evolves at Lv22
Stufful: Evolves at Lv36
Steenee: Evolves using Leaf Stone
Kommo-o: Evolves at Lv55
Nickit: Evolves at Lv21
Gossifleur: Evolves at Lv24
Chewtle: Evolves at Lv28
Carkol: Evolves at Lv38
Applin: Evolves into Dipplin at Lv22
- Dipplin's stats have been reduced to compensate
Dipplin: Evolves into Flapple using Sun Stone and Appletun using Moon Stone
Sizzlipede: Evolves at Lv37
Clobbopus: Evolves at Lv35 if male
Sinistea: 25% chance to spawn as Paldean Sinistea (Poltchageist)
- Evolves using Dusk Stone (Galarian) or Dawn Stone (Paldean)
- Removed Antique/Phony form distinction
Poltchageist/Sinistcha: Treated as a regional form of Sinistea & Polteageist
Hatenna: Evolves at Lv22
Impidimp: Evolves at Lv22
Milcery: Evolves into one of 8 different Alcremie forms at Lv30 or above, if holding any berry
- Razz, Pecha, Petaya, Chople, Roseli: Strawberry Cream form (orig. Vanilla Cream w/Strawberry Sweet)
- Cheri, Pomeg, Occa, Payapa, Kasib: Melon Cream form (orig. Ruby Cream w/Love Sweet)
- Oran, Rawst, Yache, Coba, Passho: Blueberry Cream form (orig. Mint Cream w/Berry Sweet)
- Chesto, Bluk, Apicot, Colbur, Haban: Blackberry Cream form (new color w/Ribbon Sweet)
- Aspear, Sitrus, Pinap, Wacan, Shuca: Lemon Cream form (orig. Lemon Cream w/Star Sweet)
- Lum, Tanga, Salac, Rindo, Kebia: Mint Cream form (orig. Matcha Cream w/Clover Sweet)
- Leppa, Nanab, Figy, Liechi, Chilan: Chocolate Cream form (new color w/Flower Sweet)
- Persim, Qualot, Charti, Ganlon, Babiri: Vanilla Cream form (orig. Salted Cream w/new Sweet design)
- This accounts for all holdable berries in the game (i.e. not rare berries, which are Key Items)
Dreepy: Evolves at Lv30
Drakloak: Evolves at Lv55
Naclstack: Evolves at Lv42
Nymble: Stats slightly increased to compensate for comparatively-late evolution
Pawmo: Evolves using Thunder Stone
Fidough: Evolves at Lv30
Charcadet: Evolves into Armarouge using a Fire Stone or Ceruledge using a Dusk Stone
Maschiff: Evolves at Lv34
Bramblin: Evolves at Lv27
Rellor: Evolves at Lv25
Flittle: Evolves at Lv31
Tinkatuff: Evolves at Lv42
Finizen: Evolves at Lv38
Varoom: Evolves at Lv35
Glimmet: Evolves at Lv40
Cetoddle: Evolves using Water Stone
Tatsugiri: Now evolves into Dodonzo at Lv40
- Both have heavily altered stats and movesets to compensate
- Dodonzo is now Dragon/Water type
- This felt necessary in order to keep the link between the two Pokémon without a method reliant on double battles
Gimmighoul: Can switch between Roaming Form and Chest Form in battle much like Aegislash
- Evolves when holding Metal Coat at Lv50 or above
- Stats have been slightly boosted