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.
Despite its diminished size, its mental power has grown phenomenally. With a mere thought, it can smash a skyscraper to smithereens.
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.
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
Let's Go Pikachu & Eevee uses different battle mechanics.
Competitive build content is not applicable for this game. Select a main series game for builds.
Stall teams hate this. Mewtwo can spread damage across 12 types, with Normal and Ice punishing common defensive pivots. STAB from Dream Eater and Psychic keeps the pressure honest on everything else.
Level-Up Moves
TM Moves
Egg Moves
Tutor Moves
Mewtwo waits at a fixed spot in this game. Head to Cerulean Cave for a one-time encounter. No random spawns or encounter rates involved — it's a set battle at a known location.
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