There's a reason Mewtwo has stayed relevant since Gen 1. Psychic typing and outspeeds nearly everything without investment — it checks a lot of boxes at once. Only weak to Bug, Ghost, and Dark. Known as the Genetic Pokemon.
Mewtwo's built around special offense. Sp. Atk leads the charge, Defense pays for it. Near-impossible to catch, worth 3 Sp. Atk EVs. Follows a slow 1.25M XP grind.
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.
Mewtwo Weakness
VulnerableType-wise, Mewtwo takes extra damage from Bug, Ghost, and Dark. Mewtwo's overall bulk (106/90/90) lets it take a hit or two from most weaknesses before going down.
- Dark and Steel types added — Fairy does not exist yet
- Moves are Physical or Special based on type, not per move
No breeding, no evolution. Mewtwo is a Psychic legendary with 680 base stat total that you obtain once and build around.
How to Evolve
Best Build
No build content available for this Pokemon in Gen 3.
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Stall teams hate this. Mewtwo can spread damage across 12 types, with Normal and Flying punishing common defensive pivots. STAB from Future Sight and Dream Eater keeps the pressure honest on everything else.
Level-Up Moves
TM Moves
Egg Moves
Tutor Moves
Mewtwo is a fixed encounter, not a random spawn. Walk up to it, interact, and the battle starts immediately. Head to Cerulean Cave when your team is ready for the fight.
Best Locations
Mewtwo is a Legendary Pokemon rated S-Tier on our tier list. At 680 BST, it hits hard. It excels as a sweeper. Base 154 Sp. Atk is where it shines.
Mewtwo's biggest threats include Scyther (Bug), Misdreavus (Ghost), and Tyranitar (Dark), all carrying super-effective STAB moves.
Mewtwo doesn't evolve. As a Legendary Pokemon, it stands on its own without an evolutionary line. It's a Psychic type with 680 BST.
Pressure is the go-to ability for Mewtwo. It increases the PP cost of moves targetting the Pokémon by one. Its hidden ability Unnerve can work in specific setups.
Mewtwo fills the sweeper role. It's a special attacker with base 154 Sp. Atk. Base 130 Speed lets it outrun most of the field. And it's tanky enough to absorb a few hits.
Mewtwo appears in 21 games, including Yellow, Red & Blue, and Gold & Silver.
Mewtwo has appeared in 21 games since Red & Blue, spanning 9 generations. As a Legendary, it's typically a one-per-save encounter tied to the story or post-game content.
- Gen IY
Yellow - Gen IRBDebut
Red & Blue - Gen IIGS
Gold & Silver - Gen IIC
Crystal - Gen IIIRS
Ruby & Sapphire - Gen IIIFRLG
FireRed & LeafGreen - Gen IIIE
Emerald - Gen IVPt
Platinum - Gen IVHGSS
HeartGold & SoulSilver - Gen IVDP
Diamond & Pearl - Gen VBW
Black & White - Gen VB2W2
Black 2 & White 2 - Gen VIXYMega XMega Y
X & Y - Gen VIORASMega
Omega Ruby & Alpha Sapphire - Gen VIIUSUM
Ultra Sun & Ultra Moon - Gen VIISM
Sun & Moon - Gen VIILGPE
Let's Go Pikachu & Eevee - Gen VIIISwSh
Sword & Shield - Gen VIIIPLA
Legends: Arceus - Gen VIIIBDSP
Brilliant Diamond & Shining Pearl - Gen IXSV
Scarlet & Violet - Gen IXLZA
Legends: Z-A