View source for User:Tiddlywinks/Evolution in the core series

In the [[core series]] games, there are four main classes of triggers for a Pokémon to evolve.
* [[List of Pokémon that evolve at or above a certain level|Gaining a level]]
* {{cat|Pokémon that evolve by using an item|Being exposed to an item}} (such as an [[Evolution stone]])
* {{cat|Pokémon that evolve through trading|Being traded}}
* Unique triggers

All of these triggers may have additional conditions attached (such as knowing a certain [[move]] while leveling up or [[held item|holding]] a specific item while being traded), but the final trigger will overall be one of these methods. Depending on the Pokémon, there can be 0 to 2 additional conditions; all conditions for an Evolution must be fulfilled for a Pokémon to evolve.

Most types of conditions are associated with level-up triggers, but some overlap with multiple triggers. Level-up, trade, and unique triggers have [[held item]] conditions; level-up and item triggers have [[gender]] and [[region]] conditions; and level-up and unique triggers have [[time]] of day conditions.

One Evolution has never been made available in the core series games: {{p|Meltan}} can only be evolved in [[Pokémon GO]].

Some Pokémon can have no ways to evolve, some can have one, some have multiple ways to evolve into multiple species or forms ([[List of Pokémon with branched Evolutions|branching Evolutions]]), some have multiple ways to evolve into the same species. Each has a deterministic method of Evolution, such that the player can usually tell what a Pokémon can or will evolve into, but some factors may be so opaque that they are effectively random.

Note that this page is mainly meant to classify the outward commonalities of Evolution. It does not strictly represent the inner workings of the games&mdash;though individual areas may touch on those inner workings.

==Evolution process==
Pokémon will never evolve during battle. If Evolution is triggered during battle, the Pokémon will evolve after the battle; in this case, the Evolution will be evaluated based on the Pokémon's status after any and all levels have been gained and moves from leveling up have been learned. Being fainted at the end of the battle does not prevent a Pokémon from evolving. Also, except in Generations {{gen|VI}} and {{gen|VII}}, level-up Evolutions will not occur if the player loses the battle.

In {{g|Legends: Arceus}}, level-up Evolutions are not automatically triggered by leveling up. Instead, once the other conditions are met (and the Pokémon is in the [[party]]), the Pokémon's Poké Ball will be highlighted in the menu and it can be evolved by selecting it or pressing X.

Sometimes Evolution can be [[Evolution prevention|cancelled]] by pressing the B button. Level-up Evolutions can be cancelled (except {{p|Gimmighoul}}), but item and trade Evolutions cannot. Canceling an Evolution is not permanent and the Evolution can usually be triggered again (unless it is a level-up Evolution and the Pokémon is level 100, [[#Leveling up|see below]]).

The [[Everstone]] will also prevent most Pokémon from evolving, except for:
* {{p|Kadabra}} since [[Generation IV]]
* Using an [[Evolution stone]] from Generations {{gen|III}} to {{gen|VII}}
* Kadabra, {{p|Machoke}}, {{p|Graveler}}, and {{p|Haunter}} in [[Generation III]] (due to {{DL|List of glitches in Generation III|Held item loss glitch|a glitch}} which consumes their held items)
If either {{p|Karrablast}} or {{p|Shelmet}} holds an Everstone when traded for the other, neither can evolve.

==Triggers==
This section describes how different triggers work overall. Most triggers have additional conditions as well, some of which can apply to multiple triggers; they are [[#Conditions|described below]].

===Leveling up===
[[Level]]ing up is the most common trigger for Evolution (accounting for approximately 4/5 Evolutions). Evolution by level up can be triggered by gaining [[experience]] in battle or by using a [[Rare Candy]]. Leveling up in [[Pokémon Day Care]] or [[PokéPelago|Isle Evelup]] will not trigger Evolution. Most level-up Evolutions can be cancelled by pressing the B button; the exception is {{p|Gimmighoul}}'s Evolution.

If a Pokémon gains multiple levels at once, it will only attempt to evolve once, after all levels have been gained. A level 100 Pokémon with a level-up Evolution can only be evolved by using a [[Rare Candy]] in [[Generation VIII]] and later (the candy is consumed but it does not increase the Pokémon's level), if it is not holding an Everstone; prior to that, Rare Candy cannot be used on level 100 Pokémon.

In {{g|Legends: Arceus}}, leveling up is not an automatic trigger; instead, once all conditions are met, the Pokémon can be evolved from the party menu.

All level-up Evolutions have at least one condition, but many have two. See the [[#Conditions|list of all conditions below]].

===Using an item===
Using an item on a Pokémon is the second most common Evolution trigger (accounting for roughly 1/10 Evolutions). This can be done from the [[Bag]], at any time outside of battle; the item will be consumed, the Evolution will start, and it cannot be cancelled. All of these Evolutions require a specific item; some also only work for certain genders.

Prior to [[Generation VIII]], the only items that could be used in this way were [[Evolution stone]]s, with individual stones able to evolve several Pokémon. Since then, many specialized [[Evolution item]]s have been added to the games, each evolving a specific Pokémon.

Pokémon evolved by Evolution stone often can learn no or few moves by leveling up after evolving. Instead, they can access any move their pre-evolution had access to (at level 1 or by leveling up) as level 1 moves via the [[Move Reminder]] (prior to Generation VIII, this selection too was fairly limited). Beyond that, they also had access to [[TM]]s and [[HM]]s like other Pokémon. By contrast, Pokémon evolved by specialized Evolution items all have level up movesets that look much like any other Pokémon's.

In {{g|Legends: Arceus}}, all Evolutions with a held item condition were turned into item Evolutions.

{| style="margin:auto; text-align:center; {{roundy}} border: 2px solid #{{dragon color dark}}; background: #{{grass color}};"
|-
! colspan="3" | Using an item
|-
| style="{{roundy}} background: #{{dragon color light}}" rowspan="3" | [[File:840Applin.png|96px]]<br>{{pcolor|Applin|{{dragon color dark}}}}
|{{bag/s|Tart Apple|SV}}<br> → <br> {{color2|000|Tart Apple}}
| style="{{roundytop}} background: #{{dragon color light}}" | [[File:841Flapple.png|96px]]<br>{{pcolor|Flapple|{{dragon color dark}}}}
|-
|{{bag/s|Sweet Apple|SV}}<br> → <br> {{color2|000|Sweet Apple}}
| style="background: #{{dragon color light}}" | [[File:842Appletun.png|96px]]<br>{{pcolor|Appletun|{{dragon color dark}}}}
|-
|{{bag/s|Syrupy Apple|SV}}<br> → <br> {{color2|000|Syrupy Apple}}
| style="{{roundybottom}} background: #{{dragon color light}}" | [[File:1011Dipplin.png|96px]]<br>{{pcolor|Dipplin|{{dragon color dark}}}}
|}{{-}}

As of [[Generation IX]], all Pokemon that had location-based level-up Evolutions have received item Evolutions as an alternative method (such as {{p|Magneton}} being able to evolve by Thunder Stone instead of at a [[special magnetic field]]).

Prior to [[Generation IV]], item Evolutions would not work if the Pokémon was holding an Everstone.

===Trading===
{{main|Trade Evolution}}
[[Trade|Trading]] Pokémon is the third most common Evolution trigger (accounting for approximately 1/20 Evolutions). Upon receiving a Pokémon with a trade trigger from any trade (and so long as any other conditions are met), it will immediately begin to evolve, which cannot be cancelled. If the Pokémon is holding an [[Everstone]], it will not evolve, apart from two special exceptions: since Generation IV, {{p|Kadabra}} will always evolve when traded; and in Generation III, Kadabra, {{p|Machoke}}, {{p|Graveler}}, and {{p|Haunter}} are affected by {{DL|List of glitches in Generation III|Held item loss glitch|a glitch}} that consumes held items before starting their Evolution.

After receiving a Pokémon with a trade Evolution, the player's [[Pokédex]] will record both the original and evolved species as caught.

Trade Evolutions are one of the only types of Evolution that can have no other conditions. However, the majority of these Evolutions still have an additional condition, mostly a held item.

{| style="margin:auto; text-align:center; {{roundy}} border: 2px solid #{{poison color}}; background: #{{ghost color}};"
|-
! colspan="3" | Trade
|-
| style="{{roundy}} background: #{{poison color light}}" | [[File:093Haunter.png|96px]]<br>{{pcolor|Haunter|{{poison color dark}}}}
| [[File:Link Trade icon SV.png|40px|link=Trade]]<br>→ <br> Trade
| style="{{roundy}} background: #{{poison color light}}" | [[File:094Gengar.png|96px]]<br>{{pcolor|Gengar|{{poison color dark}}}}
|}{{-}}

===Unique triggers===
Several other triggers do not fall under the above categories and apply to a single Pokémon. These Evolutions may involve fulfilling complex conditions.

* {{rf|Galarian}} {{p|Farfetch'd}} has no condition except fulfilling specific conditions in battle. It will evolve into {{p|Sirfetch'd}} after it lands three [[critical hit]]s in a single battle (so long as the player does not run or lose). This Evolution can be cancelled by pressing the B button.
* {{rf|Galarian}} {{p|Yamask}}'s Evolution trigger requires the player to walk under a large rock arch in [[Dusty Bowl]], after fulfilling special conditions in battle (losing at least 49 HP in battle without fainting). This Evolution can be cancelled.
* {{p|Milcery}}'s Evolution trigger requires the player to spin, with the direction (clockwise or counterclockwise), duration (less than 5 seconds or more than 10 seconds), time of day (day, night, or evening), and held item (any [[Sweet]]) affecting which form of {{p|Alcremie}} it evolves into. All combinations of direction, 5 second duration, day/night, and item result in different forms, while spinning in either direction for more than 10 seconds during the evening results in a Rainbow Swirl Alcremie (with its variant depending on the held item). This Evolution can be cancelled.
* In {{g|Sword and Shield}} ([[The Isle of Armor]]), {{p|Kubfu}} evolves into different forms of {{p|Urshifu}} when brought to a scroll in either the [[Tower of Darkness]] (Single Strike Style) or [[Tower of Waters]] (Rapid Strike Style). This Evolution cannot be cancelled, but it can be prevented by holding the Everstone. In {{g|Scarlet and Violet}}, Kubfu is able to evolve by specialized items instead ([[Scroll of Darkness]] or [[Scroll of Waters]]).

==Conditions==
Most conditions apply to level-up Evolutions, but a few do not or apply to other triggers as well. Unless otherwise noted, all conditions below apply to level-up Evolutions.

===At or above a certain level===
{{main|Level-based Evolution}}
Many Pokémon must reach or surpass a certain [[level]] to evolve. Level conditions may be combined with other conditions, the most common of which are [[gender]] and [[time]] of day.

{| style="margin:auto; text-align:center; {{roundy}} border: 2px solid #{{grass color dark}}; background: #{{grass color}};"
|-
! colspan="3" | Leveling up
|-
| style="{{roundy}} background: #{{grass color light}}" | [[File:152Chikorita.png|96px]]<br>{{pcolor|Chikorita|{{grass color dark}}}}
| {{bag/s|Rare Candy|SV}}<br>→<br>Level 16+
| style="{{roundy}} background: #{{grass color light}}" | [[File:153Bayleef.png|96px]]<br>{{pcolor|Bayleef|{{grass color dark}}}}
|}{{-}}

===When friendship is high===
{{main|Friendship Evolution}}
Some Pokémon must have at least 220 [[friendship]] to evolve. For friendship Evolutions, most commonly there is no other condition, but time of day can be an additional factor, as well as knowing a type of move. This condition was introduced along with friendship in [[Generation II]].

{| style="margin:auto; text-align:center; {{roundy}} border: 2px solid #{{flying color}}; background: #{{fairy color}};"
|-
! colspan="3" | Friendship
|-
| style="{{roundy}} background: #{{fairy color light}}" | [[File:175Togepi.png|96px]]<br>{{pcolor|Togepi|{{fairy color dark}}}}
| {{bag/s|Rare Candy|SV}} + {{bag/s|Soothe Bell|SV}}<br> →<br>Level up<br><small>while friendship is high
| style="{{roundy}} background: #{{flying color light}}" | [[File:176Togetic.png|96px]]<br>{{pcolor|Togetic|{{flying color dark}}}}
|}{{-}}

Many [[Baby Pokémon]] require friendship to evolve (roughly 1/3), but not all and not exclusively.

===When the Pokémon knows a certain move===
{{main|Move-based Evolution}}
Some Pokémon must know a specific [[move]] or a move of a certain [[type]] to evolve. If it already knew the move or learns it as part of its level up, this condition will be satisfied and the Pokémon will attempt to evolve after leveling up (so long as any other conditions are met); however, if the Pokémon knew the move but it is overwritten by another move as part of leveling up, this condition will not be met. For move Evolutions, most commonly there is no other condition, but a few Pokémon have additional requirements. This condition was introduced in [[Generation IV]].

The moves required for this condition are commonly available by leveling up, but in some cases (particularly level 1 moves) they can only be learned with the [[Move Reminder]].

{| style="margin:auto; text-align:center; {{roundy}} border: 2px solid #{{ground color}}; background: #{{ice color}};"
|-
! colspan="3" | Knowing a move
|-
| style="{{roundy}} background: #{{ground color light}}" | [[File:221Piloswine.png|96px]]<br>{{pcolor|Piloswine|{{ground color dark}}}}
| {{bag/s|Rare Candy|SV}} + [[File:Bag TM Rock SV Sprite.png|40px|link=Ancient Power (move)]]<br>→<br>Level up<br><small>knowing {{mcolor|Ancient Power|000}}</small>
| style="{{roundy}} background: #{{ground color light}}" | [[File:473Mamoswine.png|96px]]<br>{{pcolor|Mamoswine|{{ground color dark}}}}
|}{{-}}

===In certain locations===
{{main|Location-based Evolution}}
Some Pokémon must be in or near a specific in-game location to evolve. No Evolution with this condition has additional conditions; any level up in the appropriate location will trigger it. This condition was introduced in [[Generation IV]].

Four different options have been used for location conditions. As of [[Generation VIII]], all of these conditions have been supplemented (or sometimes replaced) with alternative methods to achieve the same Evolution via [[Evolution stone]]. (While [[Mount Lanakila]]'s was technically implemented in Generation IX, {{p|Crabrawler}} also was not present in any Generation VIII games.)
* [[Ice Rock]]: alternative is [[Ice Stone]]
* [[Moss Rock]]: [[Leaf Stone]]
* [[Mount Lanakila]]: [[Ice Stone]]
* [[Special magnetic field]]: [[Thunder Stone]]

{| style="margin:auto; text-align:center; {{roundy}} border: 2px solid #{{steel color}}; background: #{{rock color}};"
|-
! colspan="3" | In a certain location
|-
| style="{{roundy}} background: #{{rock color light}}" | [[File:299Nosepass.png|96px]]<br>{{pcolor|Nosepass|{{rock color dark}}}}
|{{bag/s|Rare Candy|SV}} + [[File:Town Map Icon BDSP.png|40px]]<br>→<br>Level up<br><small>in a {{color2|000|special magnetic field}}</small>
| style="{{roundy}} background: #{{steel color light}}" | [[File:476Probopass.png|96px]]<br>{{pcolor|Probopass|{{steel color dark}}}}
|}{{-}}

None of these locations are known in [[Kanto]] or [[Johto]], meaning that location Evolutions cannot be fulfilled in {{game|HeartGold and SoulSilver|s}}.

Even though {{g|Brilliant Diamond and Shining Pearl}} has an Ice Rock and a special magnetic field, it only includes the Pokémon from Generations I to IV, meaning {{p|Eevee}} cannot evolve into {{p|Glaceon}} and {{p|Nosepass}} cannot evolve into {{p|Probopass}}.

===In a certain region===
{{main|Region-based Evolution}}
Some Pokémon must be in a specific [[region]] to evolve. Technically, only a few Pokémon have explicit conditions that allow them to evolve differently in different regions in the same game. This is seen in [[Pokémon Ultra Sun and Ultra Moon]], where {{p|Pikachu}}, {{p|Exeggcute}}, and {{p|Cubone}} evolve into [[Alolan form]]s in [[Alola]] locations, but evolve into their normal forms in [[Ultra Space]]. This condition always has additional conditions.

{| style="margin:auto; text-align:center; {{roundy}} border: 2px solid #{{electric color dark}}; background: #{{electric color}};"
|-
! colspan="3" | In a certain region
|-
| style="{{roundy}} background: #{{electric color light}}" rowspan="2" | [[File:0025Pikachu.png|96px]]<br>{{pcolor|Pikachu|{{electric color dark}}}}
| {{bag/s|Thunder Stone|SV}}<br>→<br>[[Thunder Stone]]
| style="{{roundytop}} background: #{{electric color light}}" | [[File:0026Raichu.png|96px]]<br>{{pcolor|Raichu|{{electric color dark}}}}
|-
| {{bag/s|Thunder Stone|SV}} + [[File:Alola Champion Ribbon VIII.png|40px|link=Alola]]<br> →<br>[[Thunder Stone]]<br><small>in {{color2|000|Alola}}</small>
| style="{{roundybottom}} background: #{{psychic color light}}" | [[File:0026Raichu-Alola.png|96px]]<br><small>{{color2|{{psychic color dark}}|Alolan form|Alolan}}</small><br>{{pcolor|Raichu|{{psychic color dark}}}}
|}{{-}}

As a practical matter, a number of Pokémon may have region-exclusive Evolutions without having an explicit region "condition" internally, and some of those may have Pokédex descriptions or other lore that imply their Evolution is influenced by their region. The following list describes the most common category of these Evolutions, where a Pokémon has a branching Evolution that can arrive at different [[regional form]]s.
* [[Galarian form|Galarian]] branches
** {{p|Koffing}} → {{p|Weezing}}
** {{p|Mime Jr.}} → {{p|Mr. Mime}}
* [[Hisuian form|Hisuian]] branches
** {{p|Quilava}} → {{p|Typhlosion}}
** {{p|Dewott}} → {{p|Samurott}}
** {{p|Petilil}} → {{p|Lilligant}}
** {{p|Dartrix}} → {{p|Decidueye}}
** {{p|Goomy}} → {{p|Sliggoo}}
** {{p|Bergmite}} → {{p|Avalugg}}

Most Pokémon in the above category (including the Pokémon with explicit regional conditions, who match the same criteria) have the same Evolution conditions for their regional and non-regional Evolutions; only Dartrix differs, evolving at level 34 normally, but evolving at level 36 for Hisuian Decidueye.

Other region-exclusive Evolutions&mdash;that do not involve regional forms&mdash;include:
* [[Hisui]]
** {{p|Scyther}} → {{p|Kleavor}}
** {{p|Ursaring}} → {{p|Ursaluna}}
** {{p|Stantler}} → {{p|Wyrdeer}}

===At certain times===
{{main|Time-based Evolution}}
Some Pokémon Evolutions depend on the [[time]] of day. All time-based Evolutions have additional conditions, such as level, friendship, or held items. Many of these Evolutions mean that a Pokémon can only evolve at a certain time, but {{p|Eevee}}, {{p|Rockruff}}, and {{p|Milcery}} have branching Evolutions depending on the time of day, such that they can always evolve if the other conditions are met. This condition was introduced alongside the time mechanic in [[Generation II]].

While most time-based Evolutions have level-up triggers, Milcery's evolution has a unique trigger directly initiated by the player (spinning in place).

{| style="margin:auto; text-align:center; {{roundy}} border: 2px solid #{{dragon color}}; background: #{{rock color}};"
|-
! colspan="3" | At certain times
|-
| style="{{roundy}} background: #{{dragon color light}}" | [[File:696Tyrunt.png|96px]]<br>{{pcolor|Tyrunt|{{dragon color dark}}}}
|{{bag/s|Rare Candy|SV}} + [[File:Day Icon SV.png|40px]]<br> →<br>Level 39+<br><small>(day)</small>
| style="{{roundy}} background: #{{dragon color light}}" | [[File:697Tyrantrum.png|96px]]<br>{{pcolor|Tyrantrum|{{dragon color dark}}}}
|}{{-}}

Due to the lack of a time system in {{game|FireRed and LeafGreen|s}}, Pokémon whose Evolution depends on the time cannot evolve in those games.

In {{g|Sword and Shield}}, while time always works normally in the [[Wild Area]], elsewhere, prior to becoming {{pkmn|Champion}}, the time of day is determined by the player's current point in the story.

===While holding an item===
:''See also: [[:Category:Pokémon that evolve by leveling up with a held item]]''
Some Pokémon must be holding a specific item (a held [[Evolution item]]) to evolve. When a Pokémon evolves this way, the item is consumed; if the 
Evolution is cancelled, the item is not consumed. This evolutionary requirement was introduced in [[Generation IV]].

Held item conditions can apply to level-up, trade, and other unique Evolutions. Level-up Evolutions can be cancelled, as can Milcery's special Evolution, but trade Evolutions cannot.

All level-up Evolutions with a held item condition also have a time condition. Trade Evolutions with a held item condition have no other conditions.

In {{g|Legends: Arceus}}, all Evolutions with a held item condition are turned into simple item Evolutions; using the appropriate item consumes it and evolves the Pokémon.

{| style="margin:auto; text-align:center; {{roundy}} border: 2px solid #{{ice color}}; background: #{{dark color}};"
|-
! colspan="3" | Holding an item
|-
| style="{{roundy}} background: #{{ice color light}}" | [[File:215Sneasel.png|96px]]<br>{{pcolor|Sneasel|{{ice color dark}}}}
| {{bag/s|Rare Candy|SV}} + {{bag/s|Razor Claw|SV}} + [[File:Night Icon SV.png|40px]]<br> →<br>Level up<br><small>holding {{color2|000|Razor Claw}}<br>(night)</small>
| style="{{roundy}} background: #{{ice color light}}" | [[File:461Weavile.png|96px]]<br>{{pcolor|Weavile|{{ice color dark}}}}
|}{{-}}

===If the Pokémon is a certain gender===
{{main|Gender-based Evolution}}
Some Evolutions depend on the Pokémon's gender. Most Pokémon with a gender-based Evolution only have a special Evolution for one gender (such as female {{p|Combee}} evolving to {{p|Vespiquen}}), and another Evolution may or may not be available for both genders. Only {{p|Burmy}} has branching Evolutionary paths depending on its gender. This evolutionary requirement was introduced in [[Generation IV]].

{| style="margin:auto; text-align:center; {{roundy}} border: 2px solid #{{flying color}}; background: #{{bug color}};"
|-
! colspan="3" | Gender
|-
| style="{{roundy}} background: #{{flying color light}}" | [[File:415Combee.png|96px]]<br>{{pcolor|Combee|{{flying color dark}}}}
| {{bag/s|Rare Candy|SV}} + [[File:Female icon HOME.png|link=Gender|32px]]<br> →<br>Level 21+<br><small>if {{color2|000|Gender|female}}</small>
| style="{{roundy}} background: #{{flying color light}}" | [[File:416Vespiquen.png|96px]]<br>{{pcolor|Vespiquen|{{flying color dark}}}}
|}{{-}}

===In a certain game===
{{main|Game-based Evolution}}
Some Pokémon Evolutions depend on the game they are in. Only {{p|Rockruff}} and {{p|Cosmoem}} have this condition (with only Cosmoem keeping it after [[Generation VII]]). This condition was introduced in Generation VII.

In Generation VII, in [[Pokémon Sun and Moon|Pokémon Sun]] and [[Pokémon Ultra Sun and Ultra Moon|Ultra Sun]], normal Rockruff ({{a|Keen Eye}}, {{a|Vital Spirit}}, or {{a|Steadfast}}) would only evolve into Midday Form {{p|Lycanroc}} (during the day); while in [[Pokémon Sun and Moon|Moon]] and [[Pokémon Ultra Sun and Ultra Moon|Ultra Moon]], normal Rockruff would only evolve into Midnight Form Lycanroc (during the night).

Cosmoem will only evolve into {{p|Solgaleo}} in [[Pokémon Sun and Moon|Pokémon Sun]], [[Pokémon Ultra Sun and Ultra Moon|Ultra Sun]], [[Pokémon Sword and Shield|Sword]], and [[Pokémon Scarlet and Violet|Scarlet]]; or {{p|Lunala}} in [[Pokémon Sun and Moon|Pokémon Moon]], [[Pokémon Ultra Sun and Ultra Moon|Ultra Moon]], [[Pokémon Sword and Shield|Shield]], and [[Pokémon Scarlet and Violet|Violet]].

{| style="margin:auto; text-align:center; {{roundy}} border: 2px solid #{{psychic color dark}}; background: #{{psychic color}};"
|-
! colspan="3" | In a certain game
|-
| style="{{roundy}} background: #{{psychic color light}}" rowspan="2" | [[File:790Cosmoem.png|96px]]<br>{{pcolor|Cosmoem|{{psychic color dark}}}}
| {{bag/s|Rare Candy|SV}} + {{GameIcon|Su}}{{GameIcon|US}}{{GameIcon|Sw}}{{GameIcon|Sc}}<br> →<br>Level 53+<br><small>in {{color2|000|Pokémon Sun and Moon|Sun}}, {{color2|000|Pokémon Ultra Sun and Ultra Moon|Ultra Sun}}, {{color2|000|Pokémon Sword and Shield|Sword}}, or {{color2|000|Pokémon Scarlet and Violet|Scarlet}}
| style="{{roundytop}} background: #{{psychic color light}}" | [[File:791Solgaleo.png|96px]]<br>{{pcolor|Solgaleo|{{psychic color dark}}}}
|-
| {{bag/s|Rare Candy|SV}} + {{GameIcon|M}}{{GameIcon|UM}}{{GameIcon|Sh}}{{GameIcon|V}}<br> →<br>Level 53+<br><small>in {{color2|000|Pokémon Sun and Moon|Moon}}, {{color2|000|Pokémon Ultra Sun and Ultra Moon|Ultra Moon}}, {{color2|000|Pokémon Sword and Shield|Shield}}, or {{color2|000|Pokémon Scarlet and Violet|Violet}}
| style="{{roundybottom}} background: #{{psychic color light}}" | [[File:792Lunala.png|96px]]<br>{{pcolor|Lunala|{{psychic color dark}}}}
|}{{-}}

===From a certain form===
Forms affect Evolution in several ways. Internally, Evolution methods must be defined for specific forms (it cannot be defined for "all" of a species' forms), so any Pokémon with forms that can evolve must define it for each form, but this can manifest in a few ways.

Many [[regional forms]] may as well be different species, such as {{p|Meowth}} and its {{rf|Alolan}} and {{rf|Galarian}} forms; each form has its own method of Evolution and they do not intersect.

Some Pokémon have obvious, non-interchangeable forms that control how they evolve. This includes {{p|Shellos}}, {{p|Flabébé}}, {{p|Florges}}, {{p|Pumpkaboo}}, {{p|Sinistea}}, and {{p|Poltchageist}}, who functionally "keep" their form when they evolve; as well as {{p|Basculin}}, whose White-Striped Form is the only one that can evolve.

By contrast, some Pokémon have non-interchangeable forms that may be completely hidden&mdash;such as {{p|Scatterbug}}, {{p|Spewpa}}, and {{p|Rockruff}}&mdash;and these can also control how they evolve. While Rockruff's form can be distinguished by its [[Ability]] (only {{a|Own Tempo}} Rockruff can evolve into Dusk Form {{p|Lycanroc}}), Scatterbug and Spewpa's are completely hidden, being set when they are encountered (either depending on the geographical setting of the system or on [[Postcard]] effects).

Some other Pokémon may have interchangeable forms that also affect Evolution, such as {{p|Burmy}} and {{p|Deerling}}. Burmy's form technically affects both its male and female Evolutions, but only the female Evolutions to {{p|Wormadam}} produce visible differences ("keeping" Burmy's form, which becomes unchangeable as Wormadam). Deerling also "keep" their form when they evolve into {{p|Sawsbuck}}, but Sawsbuck can change forms the same way that Deerling can.

===Walking===
:''See also: [[:Category:Pokémon that evolve using the Let's Go! feature]]''
Some Pokémon must [[Walking Pokémon|walk]] 1000 steps outside of their Poké Ball before they can evolve. This Evolution method was introduced in [[Generation IX]], where it relies on the [[Let's Go!]] feature.

{| style="margin:auto; text-align:center; {{roundy}} border: 2px solid #{{bug color dark}}; background: #{{bug color}};"
|-
! colspan="3" | Using the Let's Go! feature
|-
| style="{{roundy}} background: #{{bug color light}}" | [[File:953Rellor.png|96px]]<br>{{pcolor|Rellor|{{bug color dark}}}}
| {{bag/s|Rare Candy|SV}} + [[File:Footwear icon.png|40px]]<br>→<br>{{color2|000|Level|Level up}}<br><small>whilst outside of its {{color2|000|Poké Ball}} after walking<br>1000 steps using the {{color2|000|Let's Go!}} feature</small>
| style="{{roundy}} background: #{{psychic color light}}" | [[File:954Rabsca.png|96px]]<br>{{pcolor|Rabsca|{{psychic color dark}}}}
|}{{-}}

===Bag items===
Some rare Evolutions require the presence of a specific item in the player's [[Bag]]. These items are consumed after the Pokémon evolve.

In {{g|XD: Gale of Darkness}}, {{p|Eevee}} evolves into {{p|Espeon}} or {{p|Umbreon}} when leveled up with a [[Sun Shard]] or [[Moon Shard]] (respectively) in the player's Bag. Only one of the two items can be obtained per game.

{{p|Nincada}}'s Evolution into {{p|Shedinja}} (since [[Generation IV]]) requires a standard {{i|Poké Ball}}.

{{p|Gimmighoul}} evolves into {{p|Gholdengo}} when leveled up while the player has 999 [[Gimmighoul Coin]]s in their Bag. Unlike most level-up Evolutions, this Evolution cannot be canceled.

===Party conditions===
A few Pokémon Evolutions depend on the composition of the [[party]] they're in.

{{p|Nincada}}'s special Evolution into {{p|Shedinja}} requires there to be an empty slot in the party, where Shedinja will appear as Nincada evolves into {{p|Ninjask}}.

{{p|Mantyke}} requires a {{p|Remoraid}} in the party to evolve into {{p|Mantine}}, while {{p|Pancham}} requires a {{type|Dark}} Pokémon to evolve into {{p|Pangoro}} (starting at level 32).

===Battle conditions===
A few Pokémon must fulfill often complex conditions in battle to evolve.

* {{p|Primeape}} must use {{m|Rage Fist}} at least 20 times to evolve into {{p|Annihilape}}.
* {{rf|Hisuian}} {{p|Qwilfish}} must use {{m|Barb Barrage}} in the [[Move mastery|strong style]] at least 20 times in {{g|Legends: Arceus}} to evolve into {{p|Overqwil}}. (In Pokémon Scarlet and Violet, since Version 3.0.0, Hisuian Qwilfish's Evolution is move-based, so it only needs to know Barb Barrage.)
* {{p|Stantler}} must {{m|Psyshield Bash}} in the [[Move mastery|agile style]] at least 20 times to evolve into {{p|Wyrdeer}}.
* {{DL|List of Pokémon with form differences|Basculin|White-Striped}} {{p|Basculin}} must take at least 294 points of [[recoil]] damage without fainting to evolve into {{p|Basculegion}}.
* {{rf|Galarian}} {{p|Yamask}} must lose a total of at least 49 [[HP]] without fainting to evolve into {{p|Runerigus}}.
* {{p|Bisharp}} must defeat three Bisharp who hold a [[Leader's Crest]] to evolve into {{p|Kingambit}}.

Also, Galarian Farfetch'd's Evolution has battle conditions, but these conditions are also the direct trigger for its Evolution (if they are fulfilled, Farfetch'd will evolve after the battle).

===Other stats===
* [[Affection]]: in Generations VI and VII, Eevee evolves into {{p|Sylveon}} when leveled up while knowing a {{type|Fairy}} move and having at least two levels of [[affection]]
* Comparing {{stat|Attack}} to {{stat|Defense}}: {{p|Tyrogue}} evolves starting at level 20, depending on its stats.
** {{p|Hitmonlee}} if Attack > Defense
** {{p|Hitmonchan}} if Attack < Defense
** {{p|Hitmontop}} if Attack = Defense
* [[Beautiful (condition)|Beauty]]: {{p|Feebas}} evolves into {{p|Milotic}} when leveled up with its Beauty [[Contest condition|condition]] at 170 or above. (Starting in [[Generation V]], it can also evolve when [[trade]]d while holding a [[Prism Scale]].)

===Randomized factors===
A few Pokémon evolve differently based on invisible conditions that are randomly set when they are encountered. This makes any individual's Evolution deterministic (the outcome will never change), but it is generally impossible to tell without evolving them what they will end up as.

{{p|Wurmple}}, {{p|Dunsparce}}, and {{p|Tandemaus}}'s Evolutions all depend on their [[personality value|encryption constant]] ([[personality value]] prior to Generation VI). Generally, these data are processed with a function (not necessarily the same function for each) that results in a single number that is then compared to a pre-determined value to determine which Evolution they will take.

Overall, Wurmple has a 50%/50% chance to evolve into {{p|Silcoon}} or {{p|Cascoon}}. Dunsparce and Tandemaus each have a 99%/1% split that determines which form they evolve into: Two-Segment/Three-Segment {{p|Dudunsparce}} or Family of Four/Three {{p|Maushold}}.

===Unique conditions===
:''See also: [[:Category:Pokémon that evolve through a unique method]]''
A number of Evolutions have conditions unique to a single Pokémon or to related Pokémon.

* Trade partners: {{p|Shelmet}} and {{p|Karrablast}} only evolve when traded for each other. If either Pokémon holds an [[Everstone]], neither can evolve.
* System orientation: {{p|Inkay}} evolves into {{p|Malamar}} starting at level 30 when leveled up while the game system is held upside-down. On the [[Nintendo Switch]], this can only be accomplished in handheld mode.
* [[Weather]]: {{p|Sliggoo}} evolves into {{p|Goodra}} starting at level 50 during [[rain]] (or [[fog]]<sup>{{gen|VII}}-{{gen|VIII}}</sup>) in the overworld. (Rain that is only present in battle will not trigger the Evolution.)
** In [[Hisui]], Sliggoo evolves into {{rf|Hisuian}} Goodra starting at level 50 during rain or fog in the overworld.
* Connectivity: {{p|Finizen}} evolves into {{p|Palafin}} starting at level 38 when leveled up while connected with another player via the [[Union Circle]].
* [[Nature]]: {{p|Toxel}} evolves into {{p|Toxtricity}}, with its resulting form depending on its Nature.
** Amped Form: Hardy, Brave, Adamant, Naughty, Docile, Impish, Lax, Hasty, Jolly, Naive, Rash, Sassy, or Quirky
** Low Key Form: Lonely, Bold, Relaxed, Timid, Serious, Modest, Mild, Quiet, Bashful, Calm, Gentle, or Careful

==Meltan==
{{p|Meltan}}, which first appeared in the core series games in [[Pokémon: Let's Go, Pikachu! and Let's Go, Eevee!]], cannot be evolved in the core series games. Instead, it can only be evolved in {{g|GO}}, where it can be evolved by pressing the "Evolve" button on Meltan's profile screen and spending 400 Meltan {{OBP|Candy|GO}}.

{| style="margin:auto; text-align:center; {{roundy}} border: 2px solid #{{steel  color dark}}; background: #{{steel color}};"
|-
! colspan="3" | Candy in Pokémon GO
|-
| style="{{roundy}} background: #{{steel color light}}" | [[File:808Meltan.png|96px]]<br>{{pcolor|Meltan|{{steel color dark}}}}
| [[File:GO Meltan Candy artwork.png|40px|link=Candy (GO)]] + [[File:HOME GO icon.png|40px|link=Pokémon GO]]<br>400 {{color2|000|Candy (GO)|Meltan Candy}}<br><small>in {{color2|000|Pokémon GO}}</small>
| style="{{roundy}} background: #{{steel color light}}" | [[File:809Melmetal.png|96px]]<br>{{pcolor|Melmetal|{{steel color dark}}}}
|}{{-}}

==Trivia==
* The majority of all Pokémon Evolutions are level-up Evolutions that only require the Pokémon to pass a threshold level.

==References==
<references/>

==Related articles==
{{Evolution}}
{{Project Games notice|game mechanic}}

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[[fr:Liste des Pokémon avec des évolutions spéciales]]
[[it:Metodi evolutivi]]
[[zh:进化方式]]