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#0150 · Generation I · form of Mewtwo

Mega Mewtwo Y

Psychic · Genetic Pokémon — first seen in Generation I.

Showing the official games. Pick a ROM hack to see how it changes this Pokémon, or compare all of them.

Base stats

StatBaseMinMax
HP106
322416
Attack150
274438
Defense70
130262
Sp. Attack194
353535
Sp. Defense120
220372
Speed140
256416
Total780

Min and max are at level 100: the minimum is 0 IVs, 0 EVs and a hindering nature, the maximum 31 IVs, 252 EVs and a beneficial nature. Shedinja's HP is always 1 whatever the formula says.

Type defences

Damage Mega Mewtwo Y takes from each attacking type.

×2
BugGhostDark
×½
FightingPsychic
×1
NormalFlyingPoisonGroundRockSteelFireWaterGrassElectricIceDragonFairy

Evolution

Mega Mewtwo Y does not evolve, and nothing evolves into it.

Other forms

MewtwoMewtwoMega Mewtwo XMega Mewtwo X

Moves by official game

Level-up, TM/HM, tutor and egg moves exactly as each game has them. The newest game this site covers is open; the rest fold out.

Ultra Sun / Ultra Moon20 level-up · 57 TM/HM · 26 tutor

Level-up

LvMoveTypeCat.PowerAcc.PP
1DisableNormalStatus—100%20
1ConfusionPsychicSpecial50100%25
1PsywavePsychicSpecial—100%15
1SafeguardNormalStatus——25
1Laser FocusNormalStatus——30
8SwiftNormalSpecial60—20
15Future SightPsychicSpecial120100%10
22Psych UpNormalStatus——10
29Miracle EyePsychicStatus——40
36Psycho CutPsychicPhysical70100%20
43Power SwapPsychicStatus——10
43Guard SwapPsychicStatus——10
50RecoverNormalStatus——5
57PsychicPsychicSpecial90100%10
64BarrierPsychicStatus——20
70Aura SphereFightingSpecial80—20
79AmnesiaPsychicStatus——20
86MistIceStatus——30
93Me FirstNormalStatus——20
100PsystrikePsychicSpecial100100%10

TM & HM

TMMoveTypeCat.PowerAcc.PP
TM03PsyshockPsychicSpecial80100%10
TM04Calm MindPsychicStatus——20
TM06ToxicPoisonStatus—90%10
TM07HailIceStatus——10
TM08Bulk UpFightingStatus——20
TM10Hidden PowerNormalSpecial60100%15
TM100ConfideNormalStatus——20
TM11Sunny DayFireStatus——5
TM12TauntDarkStatus—100%20
TM13Ice BeamIceSpecial90100%10
TM14BlizzardIceSpecial11070%5
TM15Hyper BeamNormalSpecial15090%5
TM16Light ScreenPsychicStatus——30
TM17ProtectNormalStatus——10
TM18Rain DanceWaterStatus——5
TM20SafeguardNormalStatus——25
TM21FrustrationNormalPhysical—100%20
TM22Solar BeamGrassSpecial120100%10
TM24ThunderboltElectricSpecial90100%15
TM25ThunderElectricSpecial11070%10
TM26EarthquakeGroundPhysical100100%10
TM27ReturnNormalPhysical—100%20
TM29PsychicPsychicSpecial90100%10
TM30Shadow BallGhostSpecial80100%15
TM31Brick BreakFightingPhysical75100%15
TM32Double TeamNormalStatus——15
TM33ReflectPsychicStatus——20
TM35FlamethrowerFireSpecial90100%15
TM37SandstormRockStatus——10
TM38Fire BlastFireSpecial11085%5
TM39Rock TombRockPhysical6095%15
TM40Aerial AceFlyingPhysical60—20
TM41TormentDarkStatus—100%15
TM42FacadeNormalPhysical70100%20
TM44RestPsychicStatus——5
TM47Low SweepFightingPhysical65100%20
TM48RoundNormalSpecial60100%15
TM52Focus BlastFightingSpecial12070%5
TM53Energy BallGrassSpecial90100%10
TM56FlingDarkPhysical—100%10
TM57Charge BeamElectricSpecial5090%10
TM59Brutal SwingDarkPhysical60100%20
TM61Will-O-WispFireStatus—85%15
TM63EmbargoDarkStatus—100%15
TM68Giga ImpactNormalPhysical15090%5
TM71Stone EdgeRockPhysical10080%5
TM73Thunder WaveElectricStatus—90%20
TM77Psych UpNormalStatus——10
TM78BulldozeGroundPhysical60100%20
TM80Rock SlideRockPhysical7590%10
TM84Poison JabPoisonPhysical80100%20
TM85Dream EaterPsychicSpecial100100%15
TM86Grass KnotGrassSpecial—100%20
TM87SwaggerNormalStatus—85%15
TM88Sleep TalkNormalStatus——10
TM90SubstituteNormalStatus——10
TM92Trick RoomPsychicStatus——5

Move tutor

MoveTypeCat.PowerAcc.PP
Fire PunchFirePhysical75100%15
Ice PunchIcePhysical75100%15
ThunderPunchElectricPhysical75100%15
Low KickFightingPhysical—100%20
SnoreNormalSpecial50100%15
Icy WindIceSpecial5595%15
Iron TailSteelPhysical10075%15
Focus PunchFightingPhysical150100%20
TrickPsychicStatus—100%10
Role PlayPsychicStatus——10
Magic CoatPsychicStatus——15
RecycleNormalStatus——10
Skill SwapPsychicStatus——10
SnatchDarkStatus——10
Signal BeamBugSpecial75100%15
Shock WaveElectricSpecial60—20
Water PulseWaterSpecial60100%20
GravityPsychicStatus——5
Aqua TailWaterPhysical9090%10
Drain PunchFightingPhysical75100%10
Zen HeadbuttPsychicPhysical8090%15
Wonder RoomPsychicStatus——10
TelekinesisPsychicStatus——15
Magic RoomPsychicStatus——10
Foul PlayDarkPhysical95100%15
Laser FocusNormalStatus——30
Sun / Moon20 level-up · 57 TM/HM

Level-up

LvMoveTypeCat.PowerAcc.PP
1DisableNormalStatus—100%20
1ConfusionPsychicSpecial50100%25
1PsywavePsychicSpecial—100%15
1SafeguardNormalStatus——25
1Laser FocusNormalStatus——30
8SwiftNormalSpecial60—20
15Future SightPsychicSpecial120100%10
22Psych UpNormalStatus——10
29Miracle EyePsychicStatus——40
36Psycho CutPsychicPhysical70100%20
43Power SwapPsychicStatus——10
43Guard SwapPsychicStatus——10
50RecoverNormalStatus——5
57PsychicPsychicSpecial90100%10
64BarrierPsychicStatus——20
70Aura SphereFightingSpecial80—20
79AmnesiaPsychicStatus——20
86MistIceStatus——30
93Me FirstNormalStatus——20
100PsystrikePsychicSpecial100100%10

TM & HM

TMMoveTypeCat.PowerAcc.PP
TM03PsyshockPsychicSpecial80100%10
TM04Calm MindPsychicStatus——20
TM06ToxicPoisonStatus—90%10
TM07HailIceStatus——10
TM08Bulk UpFightingStatus——20
TM10Hidden PowerNormalSpecial60100%15
TM100ConfideNormalStatus——20
TM11Sunny DayFireStatus——5
TM12TauntDarkStatus—100%20
TM13Ice BeamIceSpecial90100%10
TM14BlizzardIceSpecial11070%5
TM15Hyper BeamNormalSpecial15090%5
TM16Light ScreenPsychicStatus——30
TM17ProtectNormalStatus——10
TM18Rain DanceWaterStatus——5
TM20SafeguardNormalStatus——25
TM21FrustrationNormalPhysical—100%20
TM22Solar BeamGrassSpecial120100%10
TM24ThunderboltElectricSpecial90100%15
TM25ThunderElectricSpecial11070%10
TM26EarthquakeGroundPhysical100100%10
TM27ReturnNormalPhysical—100%20
TM29PsychicPsychicSpecial90100%10
TM30Shadow BallGhostSpecial80100%15
TM31Brick BreakFightingPhysical75100%15
TM32Double TeamNormalStatus——15
TM33ReflectPsychicStatus——20
TM35FlamethrowerFireSpecial90100%15
TM37SandstormRockStatus——10
TM38Fire BlastFireSpecial11085%5
TM39Rock TombRockPhysical6095%15
TM40Aerial AceFlyingPhysical60—20
TM41TormentDarkStatus—100%15
TM42FacadeNormalPhysical70100%20
TM44RestPsychicStatus——5
TM47Low SweepFightingPhysical65100%20
TM48RoundNormalSpecial60100%15
TM52Focus BlastFightingSpecial12070%5
TM53Energy BallGrassSpecial90100%10
TM56FlingDarkPhysical—100%10
TM57Charge BeamElectricSpecial5090%10
TM59Brutal SwingDarkPhysical60100%20
TM61Will-O-WispFireStatus—85%15
TM63EmbargoDarkStatus—100%15
TM68Giga ImpactNormalPhysical15090%5
TM71Stone EdgeRockPhysical10080%5
TM73Thunder WaveElectricStatus—90%20
TM77Psych UpNormalStatus——10
TM78BulldozeGroundPhysical60100%20
TM80Rock SlideRockPhysical7590%10
TM84Poison JabPoisonPhysical80100%20
TM85Dream EaterPsychicSpecial100100%15
TM86Grass KnotGrassSpecial—100%20
TM87SwaggerNormalStatus—85%15
TM88Sleep TalkNormalStatus——10
TM90SubstituteNormalStatus——10
TM92Trick RoomPsychicStatus——5
Omega Ruby / Alpha Sapphire18 level-up · 63 TM/HM · 24 tutor

Level-up

LvMoveTypeCat.PowerAcc.PP
1DisableNormalStatus—100%20
1ConfusionPsychicSpecial50100%25
1SafeguardNormalStatus——25
8SwiftNormalSpecial60—20
15Future SightPsychicSpecial120100%10
22Psych UpNormalStatus——10
29Miracle EyePsychicStatus——40
36Psycho CutPsychicPhysical70100%20
43Power SwapPsychicStatus——10
43Guard SwapPsychicStatus——10
50RecoverNormalStatus——5
57PsychicPsychicSpecial90100%10
64BarrierPsychicStatus——20
70Aura SphereFightingSpecial80—20
79AmnesiaPsychicStatus——20
86MistIceStatus——30
93Me FirstNormalStatus——20
100PsystrikePsychicSpecial100100%10

TM & HM

TMMoveTypeCat.PowerAcc.PP
TM03PsyshockPsychicSpecial80100%10
TM04Calm MindPsychicStatus——20
TM06ToxicPoisonStatus—90%10
TM07HailIceStatus——10
TM08Bulk UpFightingStatus——20
TM10Hidden PowerNormalSpecial60100%15
TM100ConfideNormalStatus——20
TM11Sunny DayFireStatus——5
TM12TauntDarkStatus—100%20
TM13Ice BeamIceSpecial90100%10
TM14BlizzardIceSpecial11070%5
TM15Hyper BeamNormalSpecial15090%5
TM16Light ScreenPsychicStatus——30
TM17ProtectNormalStatus——10
TM18Rain DanceWaterStatus——5
TM20SafeguardNormalStatus——25
TM21FrustrationNormalPhysical—100%20
TM22Solar BeamGrassSpecial120100%10
TM24ThunderboltElectricSpecial90100%15
TM25ThunderElectricSpecial11070%10
TM26EarthquakeGroundPhysical100100%10
TM27ReturnNormalPhysical—100%20
TM29PsychicPsychicSpecial90100%10
TM30Shadow BallGhostSpecial80100%15
TM31Brick BreakFightingPhysical75100%15
TM32Double TeamNormalStatus——15
TM33ReflectPsychicStatus——20
TM35FlamethrowerFireSpecial90100%15
TM37SandstormRockStatus——10
TM38Fire BlastFireSpecial11085%5
TM39Rock TombRockPhysical6095%15
TM40Aerial AceFlyingPhysical60—20
TM41TormentDarkStatus—100%15
TM42FacadeNormalPhysical70100%20
TM44RestPsychicStatus——5
TM47Low SweepFightingPhysical65100%20
TM48RoundNormalSpecial60100%15
TM52Focus BlastFightingSpecial12070%5
TM53Energy BallGrassSpecial90100%10
TM56FlingDarkPhysical—100%10
TM57Charge BeamElectricSpecial5090%10
TM59IncinerateFireSpecial60100%15
TM61Will-O-WispFireStatus—85%15
TM63EmbargoDarkStatus—100%15
TM68Giga ImpactNormalPhysical15090%5
TM70FlashNormalStatus—100%20
TM71Stone EdgeRockPhysical10080%5
TM73Thunder WaveElectricStatus—90%20
TM77Psych UpNormalStatus——10
TM78BulldozeGroundPhysical60100%20
TM80Rock SlideRockPhysical7590%10
TM84Poison JabPoisonPhysical80100%20
TM85Dream EaterPsychicSpecial100100%15
TM86Grass KnotGrassSpecial—100%20
TM87SwaggerNormalStatus—85%15
TM88Sleep TalkNormalStatus——10
TM90SubstituteNormalStatus——10
TM92Trick RoomPsychicStatus——5
TM94Secret PowerNormalPhysical70100%20
TM98Power-Up PunchFightingPhysical40100%20
HM04StrengthNormalPhysical80100%15
HM06Rock SmashFightingPhysical40100%15
HM07DiveWaterPhysical80100%10

Move tutor

MoveTypeCat.PowerAcc.PP
Fire PunchFirePhysical75100%15
Ice PunchIcePhysical75100%15
ThunderPunchElectricPhysical75100%15
Low KickFightingPhysical—100%20
SnoreNormalSpecial50100%15
Icy WindIceSpecial5595%15
Iron TailSteelPhysical10075%15
Focus PunchFightingPhysical150100%20
TrickPsychicStatus—100%10
Role PlayPsychicStatus——10
Magic CoatPsychicStatus——15
RecycleNormalStatus——10
Skill SwapPsychicStatus——10
SnatchDarkStatus——10
Signal BeamBugSpecial75100%15
Shock WaveElectricSpecial60—20
Water PulseWaterSpecial60100%20
GravityPsychicStatus——5
Aqua TailWaterPhysical9090%10
Drain PunchFightingPhysical75100%10
Zen HeadbuttPsychicPhysical8090%15
Wonder RoomPsychicStatus——10
Magic RoomPsychicStatus——10
Foul PlayDarkPhysical95100%15
X / Y18 level-up · 61 TM/HM

Level-up

LvMoveTypeCat.PowerAcc.PP
1DisableNormalStatus—100%20
1ConfusionPsychicSpecial50100%25
1SafeguardNormalStatus——25
8SwiftNormalSpecial60—20
15Future SightPsychicSpecial120100%10
22Psych UpNormalStatus——10
29Miracle EyePsychicStatus——40
36Psycho CutPsychicPhysical70100%20
43Power SwapPsychicStatus——10
43Guard SwapPsychicStatus——10
50RecoverNormalStatus——5
57PsychicPsychicSpecial90100%10
64BarrierPsychicStatus——20
70Aura SphereFightingSpecial80—20
79AmnesiaPsychicStatus——20
86MistIceStatus——30
93Me FirstNormalStatus——20
100PsystrikePsychicSpecial100100%10

TM & HM

TMMoveTypeCat.PowerAcc.PP
TM03PsyshockPsychicSpecial80100%10
TM04Calm MindPsychicStatus——20
TM06ToxicPoisonStatus—90%10
TM07HailIceStatus——10
TM08Bulk UpFightingStatus——20
TM10Hidden PowerNormalSpecial60100%15
TM100ConfideNormalStatus——20
TM11Sunny DayFireStatus——5
TM12TauntDarkStatus—100%20
TM13Ice BeamIceSpecial90100%10
TM14BlizzardIceSpecial11070%5
TM15Hyper BeamNormalSpecial15090%5
TM16Light ScreenPsychicStatus——30
TM17ProtectNormalStatus——10
TM18Rain DanceWaterStatus——5
TM20SafeguardNormalStatus——25
TM21FrustrationNormalPhysical—100%20
TM22Solar BeamGrassSpecial120100%10
TM24ThunderboltElectricSpecial90100%15
TM25ThunderElectricSpecial11070%10
TM26EarthquakeGroundPhysical100100%10
TM27ReturnNormalPhysical—100%20
TM29PsychicPsychicSpecial90100%10
TM30Shadow BallGhostSpecial80100%15
TM31Brick BreakFightingPhysical75100%15
TM32Double TeamNormalStatus——15
TM33ReflectPsychicStatus——20
TM35FlamethrowerFireSpecial90100%15
TM37SandstormRockStatus——10
TM38Fire BlastFireSpecial11085%5
TM39Rock TombRockPhysical6095%15
TM40Aerial AceFlyingPhysical60—20
TM41TormentDarkStatus—100%15
TM42FacadeNormalPhysical70100%20
TM44RestPsychicStatus——5
TM47Low SweepFightingPhysical65100%20
TM48RoundNormalSpecial60100%15
TM52Focus BlastFightingSpecial12070%5
TM53Energy BallGrassSpecial90100%10
TM56FlingDarkPhysical—100%10
TM57Charge BeamElectricSpecial5090%10
TM59IncinerateFireSpecial60100%15
TM61Will-O-WispFireStatus—85%15
TM63EmbargoDarkStatus—100%15
TM68Giga ImpactNormalPhysical15090%5
TM70FlashNormalStatus—100%20
TM71Stone EdgeRockPhysical10080%5
TM73Thunder WaveElectricStatus—90%20
TM77Psych UpNormalStatus——10
TM78BulldozeGroundPhysical60100%20
TM80Rock SlideRockPhysical7590%10
TM84Poison JabPoisonPhysical80100%20
TM85Dream EaterPsychicSpecial100100%15
TM86Grass KnotGrassSpecial—100%20
TM87SwaggerNormalStatus—85%15
TM88Sleep TalkNormalStatus——10
TM90SubstituteNormalStatus——10
TM92Trick RoomPsychicStatus——5
TM94Rock SmashFightingPhysical40100%15
TM98Power-Up PunchFightingPhysical40100%20
HM04StrengthNormalPhysical80100%15

Where to find it in the official games

Not obtainable in the wild in any of the 16 official games this site covers. In those games it has to be evolved, traded or bred — or it belongs to a game whose data is not here yet.

Compare official Mega Mewtwo Y with the ROM hacks →

In the 13 guides that include it

Changed in 11 of 13 guides: stats in 11, abilities in 9, evolution in 1.

Every ROM hack on this site that has Mega Mewtwo Y, and what it did to it. Guides that changed something are first. Click one for that version's full page — locations, moveset and TMs.

GuideTypeTotalAbilities
UnboundChangedPsychic780 +100
+40 Attack, -20 Defense, +40 Sp. Atk, +30 Sp. Def, +10 Speed		Insomnia
+ Insomnia − Pressure, Unnerve
Sword and Shield Ultimate PlusChangedPsychic780 +100
+40 Attack, -20 Defense, +40 Sp. Atk, +30 Sp. Def, +10 Speed		Insomnia
+ Insomnia − Pressure, Unnerve
Radical RedChangedPsychic780 +100
+40 Attack, -20 Defense, +40 Sp. Atk, +30 Sp. Def, +10 Speed		Insomnia
+ Insomnia − Pressure, Unnerve
Elite ReduxChangedPsychic780 +100
+40 Attack, -20 Defense, +40 Sp. Atk, +30 Sp. Def, +10 Speed		Arcane Force, Arcane Force, Arcane Force
Inclement EmeraldChangedPsychic780 +100
+40 Attack, -20 Defense, +40 Sp. Atk, +30 Sp. Def, +10 Speed		Insomnia
+ Insomnia − Pressure, Unnerve
Pokémon Emerald Imperium
Mega Evolves into Mewtwo (Mega X) while holding the Mewtwonite X		ChangedPsychic780 +100
+40 Attack, -20 Defense, +40 Sp. Atk, +30 Sp. Def, +10 Speed		Insomnia
+ Insomnia − Pressure, Unnerve
Pokémon ClassicChangedPsychic780 +100
+40 Attack, -20 Defense, +40 Sp. Atk, +30 Sp. Def, +10 Speed		Insomnia
+ Insomnia − Pressure, Unnerve
Pokémon: Wishes of TomorrowChangedPsychic780 +100
+40 Attack, -20 Defense, +40 Sp. Atk, +30 Sp. Def, +10 Speed		Insomnia
+ Insomnia − Pressure, Unnerve
Pokémon ExceededChangedPsychic780 +100
-40 Attack, -20 Defense, +40 Sp. Atk, +90 Sp. Def, +30 Speed		Psychic Barrier, Psychic Barrier
Pokémon Emerald SquaredChangedPsychic780 +100
+40 Attack, -20 Defense, +40 Sp. Atk, +30 Sp. Def, +10 Speed		Telepathy
+ Telepathy − Pressure, Unnerve
HeartGold GenerationsChangedPsychic780 +100
+40 Attack, -20 Defense, +40 Sp. Atk, +30 Sp. Def, +10 Speed		Insomnia
+ Insomnia − Pressure, Unnerve
Pokémon SoulgoldUnchangedPsychic780Insomnia
Pokémon R.O.W.EUnchangedPsychic780Insomnia

Pokédex entries

What each game says about it, in the games' own words.

Red / BlueIt was created by a scientist after years of horrific gene splicing and DNA engineering experiments.
YellowIts DNA is almost the same as MEW's. However, its size and disposition are vastly dif­ ferent.
GoldBecause its battle abilities were raised to the ultimate level, it thinks only of de­ feating its foes.
SilverIt usually remains motionless to con­ serve energy, so that it may un­ leash its full power in battle.
CrystalSaid to rest qui­ etly in an undiscovered cave, this POKéMON was created solely for battling.
Ruby / SapphireMEWTWO is a POKéMON that was created by genetic manipulation. However, even though the scientific power of humans created this POKéMON’s body, they failed to endow MEWTWO with a compassionate heart.
EmeraldA POKéMON that was created by genetic manipulation. However, even though the scientific power of humans made its body, they failed to give it a warm heart.
FireRedA POKéMON whose genetic code was repeatedly recombined for research. It turned vicious as a result.
LeafGreenIt was created by a scientist after years of horrific gene-splicing and DNA- engineering experiments.
Diamond / Pearl / PlatinumA Pokémon created by recombining MEW’s genes. It’s said to have the most savage heart among Pokémon.
HeartGoldBecause its battle abilities were raised to the ultimate level, it thinks only of defeating its foes.
SoulSilverIt usually remains motionless to conserve energy, so that it may unleash its full power in battle.
Black / White / Black 2 / White 2 / YA Pokémon created by recombining Mew’s genes. It’s said to have the most savage heart among Pokémon.
XIt was created by a scientist after years of horrific gene-splicing and DNA-engineering experiments.
Omega Ruby / Alpha SapphireMewtwo is a Pokémon that was created by genetic manipulation. However, even though the scientific power of humans created this Pokémon’s body, they failed to endow Mewtwo with a compassionate heart.

Names in other languages

Japaneseミュウツー
Japanese (Rōmaji)Mewtwo
GermanMewtu
FrenchMewtwo
SpanishMewtwo
ItalianMewtwo
Korean뮤츠
Chinese (Simplified)超梦
Chinese (Traditional)超夢

Official data here is present-day reference data from PokéAPI, not a snapshot of any one game's era — the Fairy type and hidden abilities arrived partway through the series, so a difference against an older game can belong to the series rather than to that ROM hack.