Methods of evolution: Difference between revisions
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There are numerous ''' | There are numerous '''Methods of Evolution''', which determine when Pokémon [[Evolution|evolve]] and, in some cases, what they evolve into. Most Pokémon, about one third, will evolve by leveling up while others evolve through specific means, such as being traded, achieving maximum happiness, using an evolution stone. | ||
==Triggers== | ==Triggers== | ||
In [[Generation I]] Pokémon evolved though only three methods. | |||
* Leveling up | * Leveling up | ||
* [[:Category:Pokémon that evolve by evolutionary stone|Being exposed to an evolutionary stone]] | * [[:Category:Pokémon that evolve by evolutionary stone|Being exposed to an evolutionary stone]] | ||
* [[:Category:Pokémon that evolve through trading|Being traded]] | * [[:Category:Pokémon that evolve through trading|Being traded]] | ||
Several variation have been added in subsequent Generations. | |||
Pokémon from [[Evolution#Branch_evolution_families|branched evolution families]] may evolve into different forms depending on the | Pokémon from [[Evolution#Branch_evolution_families|branched evolution families]] may evolve into different forms depending on the evolution trigger and/or other conditions. | ||
== | ==Evolution by Level== | ||
Most Pokémon are able to evolve by [[level]]ing up. This can be triggered by gaining [[experience]] in battle | Most Pokémon are able to evolve by [[level]]ing up up. This can be triggered by gaining [[experience]] in battle or using a {{DL|Vitamin|Rare Candy}}. Some Pokémon may also require additional conditions before evolution will take place, such as a specific move being known. It should be noted that a Pokémon left in {{pkmn|Daycare}} will not evolve, even if all conditions are met, until it's leveled up (or given a Rare Candy) while in the party. | ||
===Reaching a | ===Reaching a Certain Level=== | ||
Amongst Pokémon that evolve by level, | Amongst the Pokémon that evolve by level, the majority of Pokémon will evolve as soon as certain level is reached. If a Pokémon is not able to evolve when it reaches the required level, it will try to evolve again every time it levels up. To avoid this, an {{evostone|Everstone}} can be given to the Pokémon, which will suppress evolution until it is removed. | ||
'''Example''': {{p| | '''Example:''' | ||
{| table border="1" align="center" style="background: #fff; border:1px solid #000; border-collapse:collapse; | |||
|- | |||
! Lowest | |||
! Trigger | |||
! Highest | |||
|- align="center" | |||
| [[Image:019.png]]<br>{{p|Rattata}} | |||
| [[Level]] 20 | |||
| [[Image:020.png]]<br>{{p|Raticate}} | |||
|} | |||
This method of evolution doesn't have special disadvantages | This method of evolution usually doesn't have any special disadvantages. However, {{p|Meowth}}, for example, evolves into {{p|Persian}} at level 28, but learns {{m|Pay Day}} at level 32. In [[Generation IV]] Persian cannot learn Pay Day by leveling up, this means that if a player wants to have a Persian with Pay Day, the player must not let Meowth evolve until it learns the move. | ||
Furthermore, Pokémon | Furthermore, Pokémon that evolve by level can no longer evolve if they are still in their base form at level 100, as they cannot level up any further. | ||
==Happiness== | |||
Some Pokémon evolve by leveling up | Some Pokémon evolve by leveling up when their hidden [[Happiness]] stat is 220 or above. It's more common with [[baby Pokémon]] such as {{p|Cleffa}}, but other evolved Pokémon like {{p|Chansey}} (which evolves further into {{p|Blissey}}) require it. This method of evolution was introduced in [[Generation II]]. | ||
The following Pokémon evolve in this manner: | The following Pokémon evolve in this manner: | ||
=== | {| table border="1" cellpadding="3" align="center" style="background: #fff; border:1px solid #000; border-collapse:collapse; | ||
|- | |||
! '''[[Generation II]]:''' | |||
! '''[[Generation III]]:''' | |||
! '''[[Generation IV]]:''' | |||
|- | |||
| | |||
* {{p|Pichu}} → {{p|Pikachu}} | |||
* {{p|Cleffa}} → {{p|Clefairy}} | |||
* {{p|Igglybuff}} → {{p|Jigglypuff}} | |||
* {{p|Golbat}} → {{p|Crobat}} | |||
* {{p|Chansey}} → {{p|Blissey}} | |||
* {{p|Togepi}} → {{p|Togetic}} | |||
| | |||
* {{p|Azurill}} → {{p|Marill}} | |||
| | |||
* {{p|Munchlax}} → {{p|Snorlax}} | |||
* {{p|Buneary}} → {{p|Lopunny}} | |||
|} | |||
===By Happiness and Time=== | |||
The following Pokémon evolve by leveling up if they're happy, but only during a certain part of the day: | |||
''Day:'' | |||
* {{p|Eevee}} → {{p|Espeon}} | |||
* {{p|Budew}} → {{p|Roselia}} | |||
* {{p|Riolu}} → {{p|Lucario}} | |||
''Night:'' | |||
* {{p| | * {{p|Eevee}} → {{p|Umbreon}} | ||
* {{p|Chingling}} → {{p|Chimecho}} | |||
* {{p| | |||
====By | ==Evolving by Item== | ||
The | ===By Evolutionary Stone=== | ||
:''Main article: [[Evolutionary stone]]'' | |||
:''See also: [[:Category:Pokémon that evolve by evolutionary stone|Pokémon that evolve by evolutionary stone]]'' | |||
Many Pokémon evolve when they are exposed to an [[evolutionary stone]]. The stone may be applied at any time and causes an instant evolution. The player can decide whether and when to evolve his or her Pokémon, but must choose carefully as most Pokémon will no longer be able to learn certain moves when they evolve in this way, and some (like {{p|Raichu}} and {{p|Togekiss}}) cannot learn any moves by leveling up, although there are exceptions to this rule. However, certain moves are exclusive to the stone-evolved Pokémon. | |||
'''Examples:''' | |||
{| table border="1" align="center" style="background: #fff; border:1px solid #000; border-collapse:collapse; | |||
|- | |||
! Before | |||
! Stone | |||
! After | |||
! Before | |||
! Stone | |||
! After | |||
|- align="center" | |||
| [[Image:090.png]]<br>{{p|Shellder}} | |||
| {{evostone|Water Stone}} | |||
| [[Image:091.png]]<br>{{p|Cloyster}} | |||
| [[Image:133.png]]<br>{{p|Eevee}} | |||
| Water Stone | |||
| [[Image:134.png]]<br>{{p|Vaporeon}} | |||
|- align="center" | |||
| [[Image:025.png]]<br>{{p|Pikachu}} | |||
| {{evostone|Thunder Stone}} | |||
| [[Image:026.png]]<br>{{p|Raichu}} | |||
| [[Image:133.png]]<br>{{p|Eevee}} | |||
| Thunder Stone | |||
| [[Image:135.png]]<br>{{p|Jolteon}} | |||
|- align="center" | |||
| [[Image:037.png]]<br>{{p|Vulpix}} | |||
| {{evostone|Fire Stone}} | |||
| [[Image:038.png]]<br>{{p|Ninetales}} | |||
| [[Image:133.png]]<br>{{p|Eevee}} | |||
| Fire Stone | |||
| [[Image:136.png]]<br>{{p|Flareon}} | |||
|- align="center" | |||
| [[Image:070.png]]<br>{{p|Weepinbell}} | |||
| {{evostone|Grass Stone}} | |||
| [[Image:071.png]]<br>{{p|Victreebel}} | |||
| [[Image:274.png]]<br>{{p|Nuzleaf}} | |||
| Grass Stone | |||
| [[Image:275.png]]<br>{{p|Shiftry}} | |||
|- align="center" | |||
| [[Image:035.png]]<br>{{p|Clefairy}} | |||
| {{evostone|Moon Stone}} | |||
| [[Image:036.png]]<br>{{p|Clefable}} | |||
| [[Image:300.png]]<br>{{p|Skitty}} | |||
| Moon Stone | |||
| [[Image:301.png]]<br>{{p|Delcatty}} | |||
|- align="center" | |||
| [[Image:044.png]]<br>{{p|Gloom}} | |||
| {{evostone|Sun Stone}} | |||
| [[Image:182.png]]<br>{{p|Bellossom}} | |||
| [[Image:191.png]]<br>{{p|Sunkern}} | |||
| Sun Stone | |||
| [[Image:192.png]]<br>{{p|Sunflora}} | |||
|- align="center" | |||
| [[Image:176.png]]<br>{{p|Togetic}} | |||
| {{evostone|Shiny Stone}} | |||
| [[Image:468.png]]<br>{{p|Togekiss}} | |||
| [[Image:315.png]]<br>{{p|Roselia}} | |||
| Shiny Stone | |||
| [[Image:407.png]]<br>{{p|Roserade}} | |||
|- align="center" | |||
| [[Image:198.png]]<br>{{p|Murkrow}} | |||
| {{evostone|Dusk Stone}} | |||
| [[Image:430.png]]<br>{{p|Honchkrow}} | |||
| [[Image:200.png]]<br>{{p|Misdreavus}} | |||
| Dusk Stone | |||
| [[Image:429.png]]<br>{{p|Mismagius}} | |||
|} | |||
While there are usually no additional requirements for stone-induced evolution, there are some exceptions. As of [[Generation IV]] there are only two such exceptions, with the two Pokémon who can evolve via {{evostone|Dawn Stone}} having a gender requirement. | |||
{| table border="1" align="center" style="background: #fff; border:1px solid #000; border-collapse:collapse; | |||
|- | |||
! Before | |||
! Stone | |||
! After | |||
|- align="center" | |||
| [[Image:281.png]]<br>{{p|Kirlia}} ♂ | |||
| Dawn Stone | |||
| [[Image:475.png]]<br>{{p|Gallade}} | |||
|- align="center" | |||
| [[Image:361.png]]<br>{{p|Snorunt}} ♀ | |||
| Dawn Stone | |||
| [[Image:478.png]]<br>{{p|Froslass}} | |||
|- align="center" | |||
|} | |||
Note that sometimes the [[Evolution-inducing held item#Oval Stone|Oval Stone]] is said to be an evolutionary stone, because it is a stone and it is required for an evolution. However, an Oval Stone is technically an evolution-inducing held item. | |||
===Holding a Certain Item and Time=== | |||
Some Pokémon will evolve when they level up while holding a certain [[Evolution-inducing held item|item]], during a certain time of day. In this case, the item disappears after the Pokémon evolves. As of [[Generation IV]], there are no held item evolutions that do not have a time requirement | |||
{| table border="1" align="center" style="background: #fff; border:1px solid #000; border-collapse:collapse; | |||
|- | |||
! Before | |||
! Hold Item + Time | |||
! After | |||
|- align="center" | |||
| [[Image:440.png]]<br>{{p|Happiny}} | |||
| Oval Stone<br> | |||
During the Day | |||
| [[Image:113.png]]<br>{{p|Chansey}} | |||
|- align="center" | |||
| [[Image:207.png]]<br>{{p|Gligar}} | |||
|Razor Fang<br> | |||
At Night | |||
| [[Image:472.png]]<br>{{p|Gliscor}} | |||
|- align="center" | |||
| [[Image:215.png]]<br>{{p|Sneasel}} | |||
|Razor Claw<br> | |||
At Night | |||
| [[Image:461.png]]<br>{{p|Weavile}} | |||
|} | |||
==Evolution via Trading== | |||
:''Main article: [[Trade]]'' | |||
A select few Pokémon evolve only when they are [[Trade|traded]]. The evolution starts immediately after the trade is completed, regardless of the method of trading used. | |||
==== | {| table border="1" align="center" style="background: #fff; border:1px solid #000; border-collapse:collapse; | ||
|- | |||
! Before | |||
! After | |||
|- align="center" | |||
| [[Image:064.png]]<br>{{p|Kadabra}} | |||
| [[Image:065.png]]<br>{{p|Alakazam}} | |||
|- align="center" | |||
| [[Image:067.png]]<br>{{p|Machoke}} | |||
| [[Image:068.png]]<br>{{p|Machamp}} | |||
|- align="center" | |||
| [[Image:075.png]]<br>{{p|Graveler}} | |||
| [[Image:076.png]]<br>{{p|Golem}} | |||
|- align="center" | |||
| [[Image:093.png]]<br>{{p|Haunter}} | |||
| [[Image:094.png]]<br>{{p|Gengar}} | |||
|} | |||
A well-known mistranslation in the non-Japanese releases of the [[Generation I]] games suggested, that after trading a man a {{p|Raichu}}, it evolved. This fueled speculation as to whether or not there would be a third stage to the {{p|Pikachu}} line in [[Generation II]]. A third stage was later realized, but in the form of a [[baby Pokémon]], {{p|Pichu}}. | |||
=== | ===Holding a Certain Item During a Trade=== | ||
:''Main article: [[Evolution-inducing held item]]'' | |||
:''See also: [[:Category:Pokémon that evolve by trading with a held item|Pokémon that evolve by trading with a held item]]'' | |||
Some Pokémon evolve when traded only if they are holding a certain item. Like any evolution-inducing held item, the item disappears after the Pokémon evolves. | |||
The following Pokémon evolve using this method: | |||
{| table border="1" align="center" style="background: #fff; border:1px solid #000; border-collapse:collapse; | |||
|- | |||
! Before | |||
! Item | |||
! After | |||
! Before | |||
! Item | |||
! After | |||
|- align="center" | |||
| [[Image:061.png]]<br>{{p|Poliwhirl}} | |||
| [[Evolution-inducing held item#King's Rock|King's Rock]] | |||
| [[Image:186.png]]<br>{{p|Politoed}} | |||
| [[Image:080.png]]<br>{{p|Slowbro}} | |||
| King's Rock | |||
| [[Image:199.png]]<br>{{p|Slowking}} | |||
|- align="center" | |||
| [[Image:095.png]]<br>{{p|Onix}} | |||
| [[Evolution-inducing held item#Metal Coat|Metal Coat]] | |||
| [[Image:208.png]]<br>{{p|Steelix}} | |||
| [[Image:123.png]]<br>{{p|Scyther}} | |||
| Metal Coat | |||
| [[Image:212.png]]<br>{{p|Scizor}} | |||
|- align="center" | |||
| [[Image:112.png]]<br>{{p|Rhydon}} | |||
| [[Evolution-inducing held item#Protector|Protector]] | |||
| [[Image:464.png]]<br>{{p|Rhyperior}} | |||
| [[Image:117.png]]<br>{{p|Seadra}} | |||
| [[Evolution-inducing held item#Dragon Scale|Dragon Scale]] | |||
| [[Image:230.png]]<br>{{p|Kingdra}} | |||
|- align="center" | |||
| [[Image:125.png]]<br>{{p|Electabuzz}} | |||
| [[Evolution-inducing held item#Electirizer|Electirizer]] | |||
| [[Image:466.png]]<br>{{p|Electivire}} | |||
| [[Image:126.png]]<br>{{p|Magmar}} | |||
| [[Evolution-inducing held item#Magmarizer|Magmarizer]] | |||
| [[Image:467.png]]<br>{{p|Magmortar}} | |||
|- align="center" | |||
| [[Image:137.png]]<br>{{p|Porygon}} | |||
| [[Evolution-inducing held item#Up-Grade|Up-Grade]] | |||
| [[Image:233.png]]<br>{{p|Porygon2}} | |||
| colspan="2" | [[Evolution-inducing held item#Dubious Disc|Dubious Disc]] | |||
| [[Image:474.png]]<br>{{p|Porygon-Z}} | |||
|- align="center" | |||
| rowspan="2" | [[Image:356.png]]<br>{{p|Dusclops}} | |||
| rowspan="2" | [[Evolution-inducing held item#Magmarizer|Reaper Cloth]] | |||
| rowspan="2" | [[Image:477.png]]<br>{{p|Dusknoir}} | |||
| rowspan="2" | [[Image:366.png]]<br>{{p|Clamperl}} | |||
| [[Evolution-inducing held item#DeepSeaTooth|DeepSeaTooth]] | |||
| [[Image:367.png]]<br>{{p|Huntail}} | |||
|- align="center" | |||
| [[Evolution-inducing held item#DeepSeaScale|DeepSeaScale]] | |||
| [[Image:368.png]]<br>{{p|Gorebyss}} | |||
|} | |||
==By Move== | |||
Some Pokémon evolve when level up while knowing a particular move. The moves are available by leveling up, however, if the Pokémon is not allowed to learn the move, or are made to forget the move before being allowed to evolve, the Pokémon must relearn it with the help of the [[Move Relearner]]. This method of evolution was introduced in [[Generation IV]]. | |||
== | ===={{m|Rollout}}:==== | ||
: | {| table border="1" style="background: #fff; border:1px solid #000; border-collapse:collapse; | ||
: | |- | ||
! Before | |||
! After | |||
|- align="center" | |||
| [[Image:108.png]]<br>{{p|Lickitung}} | |||
| [[Image:463.png]]<br>{{p|Lickilicky}} | |||
|} | |||
=== | ===={{m|AncientPower}}:==== | ||
{| table border="1" style="background: #fff; border:1px solid #000; border-collapse:collapse; | |||
|- | |||
! Before | |||
! After | |||
|- align="center" | |||
| [[Image:114.png]]<br>{{p|Tangela}} | |||
| [[Image:465.png]]<br>{{p|Tangrowth}} | |||
|- align="center" | |||
| [[Image:193.png]]<br>{{p|Yanma}} | |||
| [[Image:469.png]]<br>{{p|Yanmega}} | |||
|- align="center" | |||
| [[Image:221.png]]<br>{{p|Piloswine}} | |||
| [[Image:473.png]]<br>{{p|Mamoswine}} | |||
|} | |||
===={{m|Double Hit}}:==== | |||
{| | {| table border="1" style="background: #fff; border:1px solid #000; border-collapse:collapse; | ||
|- | |||
! Before | |||
! After | |||
|- align="center" | |||
| [[Image:190.png]]<br>{{p|Aipom}} | |||
| [[Image:424.png]]<br>{{p|Ambipom}} | |||
|} | |||
===={{m|Mimic}}:==== | |||
{| table border="1" style="background: #fff; border:1px solid #000; border-collapse:collapse; | |||
|- | |- | ||
| | ! Before | ||
| | ! After | ||
| | |- align="center" | ||
| | | [[Image:439.png]]<br>{{p|Mime Jr.}} | ||
| [[Image:122.png]]<br>{{p|Mr. Mime}} | |||
|- align="center" | |||
| [[Image:438.png]]<br>{{p|Bonsly}} | |||
| [[Image:185.png]]<br>{{p|Sudowoodo}} | |||
|} | |||
==By Location== | |||
Beginning with the [[Generation IV]] games, some Pokémon only evolve by leveling up in the specific area. | |||
====[[Mt. Coronet]]:==== | |||
{| table border="1" style="background: #fff; border:1px solid #000; border-collapse:collapse; | |||
|- | |- | ||
| | ! Before | ||
| | ! After | ||
| | |- align="center" | ||
| [[Image:082.png]]<br>{{p|Magneton}} | |||
| [[Image:462.png]]<br>{{p|Magnezone}} | |||
|- align="center" | |||
| [[Image:299.png]]<br>{{p|Nosepass}} | |||
| [[Image:476.png]]<br>{{p|Probopass}} | |||
|} | |||
====[[Eterna Forest]] ([[Moss Rock]]):==== | |||
{| table border="1" style="background: #fff; border:1px solid #000; border-collapse:collapse; | |||
|- | |- | ||
| | ! Before | ||
| | ! After | ||
|- align="center" | |||
| [[Image:133.png]]<br>{{p|Eevee}} | |||
| [[Image:470.png]]<br>{{p|Leafeon}} | |||
|} | |||
====[[Route 217]] ([[Ice Rock]]):==== | |||
{| table border="1" style="background: #fff; border:1px solid #000; border-collapse:collapse; | |||
|- | |- | ||
| | ! Before | ||
| | ! After | ||
| | |- align="center" | ||
|} | | [[Image:133.png]]<br>{{p|Eevee}} | ||
| [[Image:471.png]]<br>{{p|Glaceon}} | |||
|} | |||
==Other Methods== | |||
The following Pokémon evolve through a method that is isolated to their evolution line only. | |||
* {{p|Mantyke}} evolves into {{p|Mantine}} when it levels up only if there is a {{p|Remoraid}} in user's party. | |||
* When {{p|Nincada}} evolves into {{p|Ninjask}} (at level 20), if there is an empty slot in the party (and, in [[Generation IV]], if the player has a spare Poké Ball in their bag) {{p|Shedinja}} will appear. | |||
* {{p|Feebas}} evolves into {{p|Milotic}} by leveling up when its Beauty stat is 170 or above. | |||
* {{p|Combee}} only evolves into a {{p|Vespiquen}} if it is female. Male Combee do not evolve. | |||
=== | ===Additional Factors=== | ||
Some Pokémon from branched evolution families evolve into different forms depending on additional factors, not listed above. These factors are not conditions for evolution, since they do not determine the possibility of evolution, but what the Pokémon will become after evolution. | |||
'''{{p|Burmy}}''' | |||
* This Pokémon evolves at level 20, but its new form is determined by its gender and/or cloak (the cloak changes based on the place where it last battled). | |||
** Male Burmy → {{p|Mothim}} | |||
** Female Burmy → {{p|Wormadam}}, but the type combination of Wormadam is determined by the cloak. | |||
*** With Plant cloak (after battling in the wild) → {{t|Bug}}/{{t|Grass}} Wormadam | |||
*** With Sandy cloak (after battling in a cave or on a beach) → Bug/{{t|Ground}} Wormadam. | |||
*** With Trash cloak (after battling in a building) → Bug/{{t|Steel}} Wormadam. | |||
'''{{p|Tyrogue}}''' | |||
* This Pokémon evolves at level 20. What it evolves into depends on its stats. | |||
** If its [[Stat#Defense|Defense]] is higher than [[Stat#Attack|Attack]], it evolves into {{p|Hitmonchan}} | |||
** If its Attack is higher than Defense, it evolves into {{p|Hitmonlee}}. | |||
** If Attack is equal to Defense, it evolves into {{p|Hitmontop}}. | |||
'''{{p|Wurmple}}''' | |||
* Evolves at level 7 into either {{p|Silcoon}} or {{p|Cascoon}}, depending on its personality value. This value is hidden, determined when Pokémon is caught and cannot be affected by the player. See the article about [[Personality value]] for the exact formula. | |||
*{{p| | |||
==References== | ==References== |
Revision as of 04:02, 11 May 2009
This article does not yet meet the quality standards of Bulbapedia. Please feel free to edit this article to make it conform to Bulbapedia norms and conventions. |
There are numerous Methods of Evolution, which determine when Pokémon evolve and, in some cases, what they evolve into. Most Pokémon, about one third, will evolve by leveling up while others evolve through specific means, such as being traded, achieving maximum happiness, using an evolution stone.
Triggers
In Generation I Pokémon evolved though only three methods.
- Leveling up
- Being exposed to an evolutionary stone
- Being traded
Several variation have been added in subsequent Generations.
Pokémon from branched evolution families may evolve into different forms depending on the evolution trigger and/or other conditions.
Evolution by Level
Most Pokémon are able to evolve by leveling up up. This can be triggered by gaining experience in battle or using a Rare Candy. Some Pokémon may also require additional conditions before evolution will take place, such as a specific move being known. It should be noted that a Pokémon left in Daycare will not evolve, even if all conditions are met, until it's leveled up (or given a Rare Candy) while in the party.
Reaching a Certain Level
Amongst the Pokémon that evolve by level, the majority of Pokémon will evolve as soon as certain level is reached. If a Pokémon is not able to evolve when it reaches the required level, it will try to evolve again every time it levels up. To avoid this, an Everstone can be given to the Pokémon, which will suppress evolution until it is removed.
Example:
Lowest | Trigger | Highest |
---|---|---|
Rattata |
Level 20 | Raticate |
This method of evolution usually doesn't have any special disadvantages. However, Meowth, for example, evolves into Persian at level 28, but learns Pay Day at level 32. In Generation IV Persian cannot learn Pay Day by leveling up, this means that if a player wants to have a Persian with Pay Day, the player must not let Meowth evolve until it learns the move.
Furthermore, Pokémon that evolve by level can no longer evolve if they are still in their base form at level 100, as they cannot level up any further.
Happiness
Some Pokémon evolve by leveling up when their hidden Happiness stat is 220 or above. It's more common with baby Pokémon such as Cleffa, but other evolved Pokémon like Chansey (which evolves further into Blissey) require it. This method of evolution was introduced in Generation II.
The following Pokémon evolve in this manner:
Generation II: | Generation III: | Generation IV: |
---|---|---|
By Happiness and Time
The following Pokémon evolve by leveling up if they're happy, but only during a certain part of the day:
Day:
Night:
Evolving by Item
By Evolutionary Stone
- Main article: Evolutionary stone
- See also: Pokémon that evolve by evolutionary stone
Many Pokémon evolve when they are exposed to an evolutionary stone. The stone may be applied at any time and causes an instant evolution. The player can decide whether and when to evolve his or her Pokémon, but must choose carefully as most Pokémon will no longer be able to learn certain moves when they evolve in this way, and some (like Raichu and Togekiss) cannot learn any moves by leveling up, although there are exceptions to this rule. However, certain moves are exclusive to the stone-evolved Pokémon.
Examples:
Before | Stone | After | Before | Stone | After |
---|---|---|---|---|---|
Shellder |
Water Stone | Cloyster |
Eevee |
Water Stone | Vaporeon |
Pikachu |
Thunder Stone | Raichu |
Eevee |
Thunder Stone | Jolteon |
Vulpix |
Fire Stone | Ninetales |
Eevee |
Fire Stone | Flareon |
Weepinbell |
Grass Stone | Victreebel |
Nuzleaf |
Grass Stone | Shiftry |
Clefairy |
Moon Stone | Clefable |
Skitty |
Moon Stone | Delcatty |
Gloom |
Sun Stone | Bellossom |
Sunkern |
Sun Stone | Sunflora |
Togetic |
Shiny Stone | Togekiss |
Roselia |
Shiny Stone | Roserade |
Murkrow |
Dusk Stone | Honchkrow |
Misdreavus |
Dusk Stone | Mismagius |
While there are usually no additional requirements for stone-induced evolution, there are some exceptions. As of Generation IV there are only two such exceptions, with the two Pokémon who can evolve via Dawn Stone having a gender requirement.
Before | Stone | After |
---|---|---|
Kirlia ♂ |
Dawn Stone | Gallade |
Snorunt ♀ |
Dawn Stone | Froslass |
Note that sometimes the Oval Stone is said to be an evolutionary stone, because it is a stone and it is required for an evolution. However, an Oval Stone is technically an evolution-inducing held item.
Holding a Certain Item and Time
Some Pokémon will evolve when they level up while holding a certain item, during a certain time of day. In this case, the item disappears after the Pokémon evolves. As of Generation IV, there are no held item evolutions that do not have a time requirement
Before | Hold Item + Time | After |
---|---|---|
Happiny |
Oval Stone During the Day |
Chansey |
Gligar |
Razor Fang At Night |
Gliscor |
Sneasel |
Razor Claw At Night |
Weavile |
Evolution via Trading
- Main article: Trade
A select few Pokémon evolve only when they are traded. The evolution starts immediately after the trade is completed, regardless of the method of trading used.
Before | After |
---|---|
Kadabra |
Alakazam |
Machoke |
Machamp |
Graveler |
Golem |
Haunter |
Gengar |
A well-known mistranslation in the non-Japanese releases of the Generation I games suggested, that after trading a man a Raichu, it evolved. This fueled speculation as to whether or not there would be a third stage to the Pikachu line in Generation II. A third stage was later realized, but in the form of a baby Pokémon, Pichu.
Holding a Certain Item During a Trade
- Main article: Evolution-inducing held item
- See also: Pokémon that evolve by trading with a held item
Some Pokémon evolve when traded only if they are holding a certain item. Like any evolution-inducing held item, the item disappears after the Pokémon evolves.
The following Pokémon evolve using this method:
Before | Item | After | Before | Item | After |
---|---|---|---|---|---|
Poliwhirl |
King's Rock | Politoed |
Slowbro |
King's Rock | Slowking |
Onix |
Metal Coat | Steelix |
Scyther |
Metal Coat | Scizor |
Rhydon |
Protector | Rhyperior |
Seadra |
Dragon Scale | Kingdra |
Electabuzz |
Electirizer | Electivire |
Magmar |
Magmarizer | Magmortar |
Porygon |
Up-Grade | Porygon2 |
Dubious Disc | Porygon-Z | |
Dusclops |
Reaper Cloth | Dusknoir |
Clamperl |
DeepSeaTooth | Huntail |
DeepSeaScale | Gorebyss |
By Move
Some Pokémon evolve when level up while knowing a particular move. The moves are available by leveling up, however, if the Pokémon is not allowed to learn the move, or are made to forget the move before being allowed to evolve, the Pokémon must relearn it with the help of the Move Relearner. This method of evolution was introduced in Generation IV.
Rollout:
Before | After |
---|---|
Lickitung |
Lickilicky |
AncientPower:
Before | After |
---|---|
Tangela |
Tangrowth |
Yanma |
Yanmega |
Piloswine |
Mamoswine |
Double Hit:
Before | After |
---|---|
Aipom |
Ambipom |
Mimic:
Before | After |
---|---|
Mime Jr. |
Mr. Mime |
Bonsly |
Sudowoodo |
By Location
Beginning with the Generation IV games, some Pokémon only evolve by leveling up in the specific area.
Mt. Coronet:
Before | After |
---|---|
Magneton |
Magnezone |
Nosepass |
Probopass |
Eterna Forest (Moss Rock):
Before | After |
---|---|
Eevee |
Leafeon |
Route 217 (Ice Rock):
Before | After |
---|---|
Eevee |
Glaceon |
Other Methods
The following Pokémon evolve through a method that is isolated to their evolution line only.
- Mantyke evolves into Mantine when it levels up only if there is a Remoraid in user's party.
- When Nincada evolves into Ninjask (at level 20), if there is an empty slot in the party (and, in Generation IV, if the player has a spare Poké Ball in their bag) Shedinja will appear.
- Feebas evolves into Milotic by leveling up when its Beauty stat is 170 or above.
- Combee only evolves into a Vespiquen if it is female. Male Combee do not evolve.
Additional Factors
Some Pokémon from branched evolution families evolve into different forms depending on additional factors, not listed above. These factors are not conditions for evolution, since they do not determine the possibility of evolution, but what the Pokémon will become after evolution.
- This Pokémon evolves at level 20, but its new form is determined by its gender and/or cloak (the cloak changes based on the place where it last battled).
- This Pokémon evolves at level 20. What it evolves into depends on its stats.
- If its Defense is higher than Attack, it evolves into Hitmonchan
- If its Attack is higher than Defense, it evolves into Hitmonlee.
- If Attack is equal to Defense, it evolves into Hitmontop.
- Evolves at level 7 into either Silcoon or Cascoon, depending on its personality value. This value is hidden, determined when Pokémon is caught and cannot be affected by the player. See the article about Personality value for the exact formula.