Evolution Changes

Item Interaction Changes

"Using" in this context means the item can be used exactly like an evolution stone (e.g. a Fire Stone).

Pokemon	Evolution	Item
Poliwhirl	Politoed	King's Rock
Slowpoke	Slowking	King's Rock
Onix	Steelix	Metal Coat
Rhydon	Rhyperior	Protector
Seadra	Kingdra	Dragon Scale
Scyther	Scizor	Metal Coat
Electabuzz	Electivire	Electirizer
Magmar	Magmortar	Magmarizer
Porygon	Porygon2	Up Grade
Porygon2	Porygon Z	Dubious Disc
Feebas	Milotic	Prism Scale
Dusclops	Dusknoir	Reaper Cloth
Clamperl	Huntail	Deep Sea Tooth
Clamperl	Gorebyss	Deep Sea Scale

Level Changes

Pokemon	Evolution	Level
Ponyta	Rapidash	Level 35
Slowpoke	Slowbro	Level 33
Grimer	Muk	Level 35
Rhyhorn	Rhydon	Level 36
Omanyte	Omastar	Level 30
Kabuto	Kabutops	Level 30
Slugma	Magcargo	Level 32
Aron	Lairon	Level 24
Lairon	Aggron	Level 40
Meditite	Medicham	Level 33
Wailmer	Wailord	Level 36
Trapinch	Vibrava	Level 30
Baltoy	Claydol	Level 32
Lileep	Cradily	Level 30
Anorith	Armaldo	Level 30
Shuppet	Banette	Level 32
Duskull	Dusclops	Level 32
Snorunt	Glalie	Level 32
Spheal	Sealeo	Level 24
Sealeo	Walrein	Level 40
Glameow	Purugly	Level 32
Stunky	Skuntank	Level 32
Skorupi	Drapion	Level 30
Croagunk	Toxicroak	Level 33

Method Changes

Pokemon	Evolution	New Method
Kadabra	Alakazam	Level 36
Machoke	Machamp	Level 36
Graveler	Golem	Level 36
Haunter	Gengar	Level 36
Eevee	Espeon	Sun Stone
Eevee	Umbreon	Moon Stone
Eevee	Leafeon	Leaf Stone
Eevee	Glaceon	Ice Stone
Feebas	Milotic	Prism Scale
Budew	Roselia	Happiness (any time of day)
Chingling	Chimecho	Happiness (any time of day)
Riolu	Lucario	Happiness (any time of day)