mewtwo-mega-y #10044
Type Matchups
Weak to (2x damage):
Resistant to (½x damage):
mewtwo-mega-y
LegendaryGeneration I · #10044 — Genetic Pokémon
Mega Mewtwo Y represents one of two possible Mega Evolutions for the legendary Psychic-type Pokémon Mewtwo, achievable through the use of the Mewtwonite Y stone. First introduced in Generation VI, this form showcases a dramatic transformation that emphasizes Mewtwo's psychic prowess and elegance over brute physical power. With a base stat total of 780, Mega Mewtwo Y maintains the same HP as its base form (106) while experiencing significant boosts to its Special Attack (194, up from 154), Speed (140, up from 130), and Special Defense (120, up from 90). However, this form deliberately trades physical prowess for psychic superiority, as its Attack stat actually decreases to 150 from the base form's 110. The transformation results in a notably smaller Pokémon, standing at just 1.5 meters tall and weighing only 33.0 kilograms, creating a striking contrast with its bulkier Mega Mewtwo X counterpart.
Base Stats
Height
1.5m
Weight
33.0kg
Category
Genetic Pokémon
Gender
Genderless
Color
purple
Shape
upright
Habitat
rare
Abilities
Prevents sleep.
Mewtwo-mega-y Biology & Physical Characteristics
Mega Mewtwo Y's biology reflects a refinement of the artificial genetic engineering that created the original Mewtwo. This form exhibits a sleeker, more ethereal physiology compared to its base state, with an elongated and graceful silhouette that emphasizes its psychic nature. The reduction in physical mass—from 122 kilograms to 33 kilograms—suggests that Mega Evolution has stripped away unnecessary physical bulk in favor of pure psychic energy concentration and mental acuity. The Pokédex entries describing Mewtwo's creation through gene splicing and DNA engineering remain relevant to this form, as it is simply a realization of Mewtwo's hidden potential rather than a separate being. Mega Mewtwo Y retains the Insomnia ability, preventing it from being put to sleep in any circumstance, which complements its role as a relentless psychic powerhouse that maintains constant mental vigilance. The form's biology appears optimized for channeling vast quantities of psychic energy with minimal physical encumbrance, making it an embodiment of pure mental power.
Pokedex Numbers
Training
Breeding
Mewtwo-mega-y Breeding, Gender Ratio & Egg Groups
Mega Mewtwo Y is a genderless Pokémon, consistent with all forms of Mewtwo across the entire species. As a legendary artificial Pokémon created through scientific genetic manipulation rather than natural reproduction, Mewtwo exists outside the normal breeding framework of most Pokémon species. The Pokédex classification of Mewtwo places it in the Undiscovered egg group, meaning it cannot breed under any circumstances, whether in its base form or as Mega Mewtwo Y. This reflects the artificial nature of Mewtwo's creation—it was engineered in a laboratory rather than born naturally, making biological reproduction fundamentally incompatible with its existence. The lack of gender further emphasizes Mewtwo's nature as a singular, artificially-created entity rather than a member of a breeding species. With a base happiness of 0, the lowest possible value, Mewtwo—including its Mega Y form—is described as having an extremely hostile and cold demeanor, making any concept of companionship or bonding highly unusual, though trainers who successfully capture and bond with Mewtwo can gradually increase its happiness through interaction.
Sprites
TMs & HMs
tm01
platinum
tm01
emerald
tm01
diamond pearl
tm01
firered leafgreen
tm01
ruby sapphire
tm01
xd
tm01
colosseum
tm01
heartgold soulsilver
tm01
lets go pikachu lets go eevee
tm02
crystal
tm02
gold silver
tm02
lets go pikachu lets go eevee
tm02
sword shield
tm03
ruby sapphire
tm03
platinum
tm03
firered leafgreen
tm03
heartgold soulsilver
tm03
diamond pearl
tm03
emerald
tm03
xd
+980 more TMs/HMs
Mewtwo-mega-y Evolution, Mega Evolution & Special Forms
Mega Mewtwo Y is one of two possible Mega Evolutions available to Mewtwo, representing a divergent path from Mega Mewtwo X. While the standard Mewtwo form possesses balanced capabilities with 110 Attack and 154 Special Attack, Mega Evolution using Mewtwonite Y amplifies the Special Attack stat to an extraordinary 194 while maintaining the already formidable Special Attack investment. Simultaneously, it increases Speed to 140 and Special Defense to 120, creating a Pokémon optimized for rapid psychic offense and resilience against special attacks. This contrasts sharply with Mega Mewtwo X, which gains Fighting-type properties and receives a massive Attack boost to 190 at the cost of Special Attack remaining at 154. The transformation itself requires no traditional evolution prerequisites—Mewtwo simply holds the appropriate Mega Stone during battle, and the Mega Evolution occurs automatically at the start of combat. Mega Mewtwo Y's form maintains the pure Psychic typing of the base form, preserving its strengths and weaknesses while dramatically enhancing its offensive and defensive capabilities in the special attack realm.
Where to Find
Location data not available for this Pokémon in the database.
Mewtwo-mega-y Behaviour and Natural Habitat
As a Mega Evolution, Mega Mewtwo Y does not have an independent habitat, existing only during battle when Mewtwo holds the Mewtwonite Y stone. However, the behavioral implications of this form suggest a Pokémon utterly consumed by the desire to unleash its full psychic potential. The base form's Pokédex entry noting that Mewtwo "usually remains motionless to conserve energy, so that it may unleash its full power in battle" takes on new meaning in the Mega Y form, where every ounce of energy is converted into devastating psychic capability rather than physical dominance. This form embodies the pinnacle of offensive psychic specialization, with its exceptional Special Attack and Speed statistics indicating a Pokémon designed to strike first and overwhelm opponents with relentless psychic assaults before they can mount an effective defense. The form's smaller frame and reduced physical weight suggest a creature that has transcended the need for physical presence, existing more as a concentrated nexus of psychic force than a creature bound to the physical realm.
Pokedex Entries
Generation I
It was created by a scientist after years of horrific gene splicing and DNA engineering experiments.
Its DNA is almost the same as MEW's. However, its size and disposition are vastly dif ferent.
Generation II
Because its battle abilities were raised to the ultimate level, it thinks only of de feating its foes.
It usually remains motionless to con serve energy, so that it may un leash its full power in battle.
Said to rest qui etly in an undiscovered cave, this POKéMON was created solely for battling.
Generation III
MEWTWO 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.
A 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.
A POKéMON whose genetic code was repeatedly recombined for research. It turned vicious as a result.
It was created by a scientist after years of horrific gene-splicing and DNA- engineering experiments.
Generation IV
A Pokémon created by recombining MEW’s genes. It’s said to have the most savage heart among Pokémon.
Because its battle abilities were raised to the ultimate level, it thinks only of defeating its foes.
It usually remains motionless to conserve energy, so that it may unleash its full power in battle.
Generation V
A Pokémon created by recombining Mew’s genes. It’s said to have the most savage heart among Pokémon.
A Pokémon created by recombining Mew’s genes. It’s said to have the most savage heart among Pokémon.
Generation VI
It was created by a scientist after years of horrific gene-splicing and DNA-engineering experiments.
A Pokémon created by recombining Mew’s genes. It’s said to have the most savage heart among Pokémon.
Mewtwo 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.
Mewtwo 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.
Generation VII
Its DNA is almost the same as Mew’s. However, its size and disposition are vastly different.
Mewtwo-mega-y Name Origin & Design Inspiration
Mega Mewtwo Y's design represents a radical reimagining of Mewtwo's physical form, emphasizing elegance and ethereal qualities over the muscular appearance of its base form. The form features an elongated, almost alien silhouette with flowing, wave-like features that suggest movement and energy despite the Pokémon's stationary combat stance. The 'Y' designation likely refers to the Y-shaped or streamlined configuration of its body, contrasting with the 'X' form's more imposing physique. Visually, Mega Mewtwo Y appears almost translucent or luminous, with psychic energy seemingly radiating from its form, reinforcing its role as a pure embodiment of psychic power. The dramatic reduction in physical size—becoming the smallest Mewtwo form at 1.5 meters—suggests that the mega evolution process has concentrated Mewtwo's essence into a more compact, efficient vessel of psychic force. The design philosophy appears to embrace the concept of "less is more," where reduced physical presence correlates with enhanced mental prowess and supernatural ability.
Learnable Moves
Mewtwo-mega-y can learn 115 moves:
Move | Type | Cat. | Power | Acc. | PP |
|---|---|---|---|---|---|
| aerial ace | flying | Physical | 60 | — | 20 |
| agility | psychic | Status | — | — | 30 |
| amnesia | psychic | Status | — | — | 20 |
| aqua tail | water | Physical | 90 | 90 | 10 |
| aura sphere | fighting | Special | 80 | — | 20 |
| barrier | psychic | Status | — | — | 20 |
| blizzard | ice | Special | 110 | 70 | 5 |
| brick break | fighting | Physical | 75 | 100 | 15 |
| brutal swing | dark | Physical | 60 | 100 | 20 |
| bulk up | fighting | Status | — | — | 20 |
| bulldoze | ground | Physical | 60 | 100 | 20 |
| calm mind | psychic | Status | — | — | 20 |
| charge beam | electric | Special | 50 | 90 | 10 |
| confide | normal | Status | — | — | 20 |
| confuse ray | ghost | Status | — | 100 | 10 |
| confusion | psychic | Special | 50 | 100 | 25 |
| disable | normal | Status | — | 100 | 20 |
| dive | water | Physical | 80 | 100 | 10 |
| double team | normal | Status | — | — | 15 |
| drain punch | fighting | Physical | 75 | 100 | 10 |
| dream eater | psychic | Special | 100 | 100 | 15 |
| earthquake | ground | Physical | 100 | 100 | 10 |
| embargo | dark | Status | — | 100 | 15 |
| energy ball | grass | Special | 90 | 100 | 10 |
| facade | normal | Physical | 70 | 100 | 20 |
| fire blast | fire | Special | 110 | 85 | 5 |
| fire punch | fire | Physical | 75 | 100 | 15 |
| flamethrower | fire | Special | 90 | 100 | 15 |
| flash | normal | Status | — | 100 | 20 |
| fling | dark | Physical | — | 100 | 10 |
| focus blast | fighting | Special | 120 | 70 | 5 |
| focus punch | fighting | Physical | 150 | 100 | 20 |
| foul play | dark | Physical | 95 | 100 | 15 |
| frustration | normal | Physical | — | 100 | 20 |
| future sight | psychic | Special | 120 | 100 | 10 |
| giga impact | normal | Physical | 150 | 90 | 5 |
| grass knot | grass | Special | — | 100 | 20 |
| gravity | psychic | Status | — | — | 5 |
| guard swap | psychic | Status | — | — | 10 |
| hail | ice | Status | — | — | 10 |
| headbutt | normal | Physical | 70 | 100 | 15 |
| hidden power | normal | Special | 60 | 100 | 15 |
| hyper beam | normal | Special | 150 | 90 | 5 |
| ice beam | ice | Special | 90 | 100 | 10 |
| ice punch | ice | Physical | 75 | 100 | 15 |
| icy wind | ice | Special | 55 | 95 | 15 |
| incinerate | fire | Special | 60 | 100 | 15 |
| iron tail | steel | Physical | 100 | 75 | 15 |
| laser focus | normal | Status | — | — | 30 |
| light screen | psychic | Status | — | — | 30 |
| low kick | fighting | Physical | — | 100 | 20 |
| low sweep | fighting | Physical | 65 | 100 | 20 |
| magic coat | psychic | Status | — | — | 15 |
| magic room | psychic | Status | — | — | 10 |
| me first | normal | Status | — | — | 20 |
| miracle eye | psychic | Status | — | — | 40 |
| mist | ice | Status | — | — | 30 |
| pay day | normal | Physical | 40 | 100 | 20 |
| poison jab | poison | Physical | 80 | 100 | 20 |
| power swap | psychic | Status | — | — | 10 |
| power up punch | fighting | Physical | 40 | 100 | 20 |
| protect | normal | Status | — | — | 10 |
| psybeam | psychic | Special | 65 | 100 | 20 |
| psych up | normal | Status | — | — | 10 |
| psychic | psychic | Special | 90 | 100 | 10 |
| psycho cut | psychic | Physical | 70 | 100 | 20 |
| psyshock | psychic | Special | 80 | 100 | 10 |
| psystrike | psychic | Special | 100 | 100 | 10 |
| psywave | psychic | Special | — | 100 | 15 |
| rain dance | water | Status | — | — | 5 |
| recover | normal | Status | — | — | 5 |
| recycle | normal | Status | — | — | 10 |
| reflect | psychic | Status | — | — | 20 |
| rest | psychic | Status | — | — | 5 |
| return | normal | Physical | — | 100 | 20 |
| rock slide | rock | Physical | 75 | 90 | 10 |
| rock smash | fighting | Physical | 40 | 100 | 15 |
| rock tomb | rock | Physical | 60 | 95 | 15 |
| role play | psychic | Status | — | — | 10 |
| round | normal | Special | 60 | 100 | 15 |
| safeguard | normal | Status | — | — | 25 |
| sandstorm | rock | Status | — | — | 10 |
| secret power | normal | Physical | 70 | 100 | 20 |
| seismic toss | fighting | Physical | — | 100 | 20 |
| self destruct | normal | Physical | 200 | 100 | 5 |
| shadow ball | ghost | Special | 80 | 100 | 15 |
| shock wave | electric | Special | 60 | — | 20 |
| signal beam | bug | Special | 75 | 100 | 15 |
| skill swap | psychic | Status | — | — | 10 |
| sleep talk | normal | Status | — | — | 10 |
| snatch | dark | Status | — | — | 10 |
| snore | normal | Special | 50 | 100 | 15 |
| solar beam | grass | Special | 120 | 100 | 10 |
| stone edge | rock | Physical | 100 | 80 | 5 |
| strength | normal | Physical | 80 | 100 | 15 |
| substitute | normal | Status | — | — | 10 |
| sunny day | fire | Status | — | — | 5 |
| swagger | normal | Status | — | 85 | 15 |
| swift | normal | Special | 60 | — | 20 |
| taunt | dark | Status | — | 100 | 20 |
| telekinesis | psychic | Status | — | — | 15 |
| teleport | psychic | Status | — | — | 20 |
| thunder | electric | Special | 110 | 70 | 10 |
| thunder punch | electric | Physical | 75 | 100 | 15 |
| thunder wave | electric | Status | — | 90 | 20 |
| thunderbolt | electric | Special | 90 | 100 | 15 |
| torment | dark | Status | — | 100 | 15 |
| toxic | poison | Status | — | 90 | 10 |
| tri attack | normal | Special | 80 | 100 | 10 |
| trick | psychic | Status | — | 100 | 10 |
| trick room | psychic | Status | — | — | 5 |
| water pulse | water | Special | 60 | 100 | 20 |
| will o wisp | fire | Status | — | 85 | 15 |
| wonder room | psychic | Status | — | — | 10 |
| zen headbutt | psychic | Physical | 80 | 90 | 15 |
Mewtwo-mega-y Competitive Battle Guide
Mega Mewtwo Y stands as one of the premier special attack-based legendary Pokémon in competitive battle, with a Special Attack stat of 194 that ranks among the highest in the entire Pokédex. Its Speed of 140 ensures it outspeeds most non-scarfed opponents, allowing it to strike first with devastating psychic attacks such as Psychic, Psystrike, and Calm Mind-boosted variants. The Special Defense stat of 120 provides respectable bulk against special attacks, enabling Mewtwo Y to survive unexpected special moves while maintaining offensive pressure. However, the form's relatively low physical Defense of 70 and Attack of 150 create a significant vulnerability to physical attackers, particularly Dark-type moves that exploit Mewtwo's singular Psychic typing. Competitive players must carefully manage team composition to protect Mega Mewtwo Y from physical threats while leveraging its superior special attack power. The Insomnia ability provides utility by preventing sleep-inducing moves like Spore and Sleep Powder, though this is less critical in competitive formats where such moves are less common than in earlier generations. Its movepool, while deep and diverse, remains primarily focused on special attacks, limiting its capability to respond to physical walls that resist Psychic-type moves.
Commonly Asked Questions About Mewtwo-mega-y
What type is Mewtwo-mega-y?
Mewtwo-mega-y is a psychic type Pokemon.
What does Mewtwo-mega-y evolve into?
Mewtwo-mega-y does not evolve.
What are Mewtwo-mega-y's weaknesses?
Mewtwo-mega-y is weak to bug, ghost and dark type moves.
Mewtwo-mega-y Cultural Impact & Franchise History
Mewtwo holds an iconic position in Pokémon culture as one of the series' most recognizable and powerful legendary Pokémon, and Mega Mewtwo Y has become emblematic of the Mega Evolution mechanic introduced in Generation VI. The form featured prominently in promotional materials for Pokémon X and Y, representing the cutting edge of Mega Evolution technology and the game's commitment to modernizing classic legendary Pokémon. Mega Mewtwo Y's sleek, otherworldly design has resonated strongly with fans and artists, generating extensive fan art and becoming a staple of competitive Pokémon communities. The form's narrative significance centers on the theme of refined power—where Mega Mewtwo X represents raw physical dominance, Mega Mewtwo Y embodies the notion that true power lies in mental prowess and spiritual transcendence rather than brute force. This philosophical duality between the two mega forms has enriched Mewtwo's character within the broader Pokémon mythology. The form has appeared in competitive tournaments, anime adaptations, and trading card games, maintaining Mewtwo's status as one of the franchise's most important and celebrated legendary Pokémon.
Where to Find Mewtwo-mega-y in Every Pokémon Game
Mega Mewtwo Y is exclusively accessible in Generation VI games (Pokémon X and Y) and subsequent generations that support Mega Evolution, such as Omega Ruby/Alpha Sapphire and Generation VII onward. To obtain Mega Mewtwo Y, trainers must first capture the base Mewtwo Pokémon, which typically appears in end-game content or post-game legendary encounters depending on the game version. The Mewtwonite Y stone required for Mega Evolution is version-exclusive in Pokémon X and Y, with Mewtwonite Y appearing in Pokémon X while Mewtwonite X appears in Pokémon Y, necessitating trading between versions for collectors seeking both mega forms. In more recent games like Pokémon Sword and Shield or Pokémon Legends: Z-A, Mewtwo's availability and Mega Evolution compatibility may vary based on current game mechanics and DLC inclusions. The base Mewtwo's extremely low catch rate of 3 makes capturing it challenging without proper preparation, particularly in earlier generations before modern quality-of-life improvements. Trainers seeking Mega Mewtwo Y should prepare with Ultra Balls, status condition moves like paralysis, and potentially False Swipe to lower Mewtwo's HP without defeating it, as the legendary's high stats and moves make it a formidable opponent in any capture attempt.