Stats & Training
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
Type-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.
| Damage | Types |
|---|---|
| 2x (Weak) | Bug, Ghost, Dark |
| 0.5x (Resist) | Fighting, Psychic |
- Dark and Steel types added — Fairy does not exist yet
- Moves are Physical or Special based on type, not per move
Haunter GhostPoison | C | |
Available Moves Moves
Damage vs Mewtwo View Haunter builds →Shadow Ball 2x34-40% Shadow Punch 2x25-30% Thief 2x31-38% Lick 2x14-17% | ||
Scyther Bug | C | |
Obtain MethodCeladon City Gift Available Moves Moves
Damage vs Mewtwo View Scyther builds →Thief 2x19-22% Pursuit 2x13-15% Fury Cutter 2x31-36% | ||
Pinsir Bug | C | |
Obtain MethodCeladon City Gift | ||
Venomoth BugPoison | C | |
Available Moves Moves
Damage vs Mewtwo View Venomoth builds →Leech Life 2x40-48% Silver Wind 2x31-36% Thief 2x26-31% | ||
Parasect BugGrass | C | |
Available Moves Moves
Damage vs Mewtwo View Parasect builds →Leech Life 2x53-63% Thief 2x19-23% | ||
Paras BugGrass | D | |
Paras BugGrass | D | |
Haunter GhostPoison | C | |
Available Moves Moves
Damage vs Mewtwo View Haunter builds →Shadow Ball 2x35-41% Shadow Punch 2x26-30% Thief 2x31-37% Lick 2x14-17% | ||
Scyther Bug | C | |
Obtain MethodCeladon City Gift Available Moves Moves
Damage vs Mewtwo View Scyther builds →Thief 2x18-22% Pursuit 2x14-17% | ||
Pinsir Bug | C | |
Obtain MethodCeladon City Gift | ||
Paras BugGrass | D | |
Available Moves Moves
Damage vs Mewtwo View Paras builds →Leech Life 2x44-52% Thief 2x17-20% | ||
Venomoth BugPoison | C | |
Available Moves Moves
Damage vs Mewtwo View Venomoth builds →Leech Life 2x41-49% Silver Wind 2x33-39% Thief 2x28-33% | ||
Parasect BugGrass | C | |
Available Moves Moves
Damage vs Mewtwo View Parasect builds →Leech Life 2x54-63% Thief 2x20-24% | ||
Haunter GhostPoison | C | |
Available Moves Moves
Damage vs Mewtwo View Haunter builds →Shadow Ball 2x35-41% Shadow Punch 2x27-32% Thief 2x33-39% Lick 2x14-17% | ||
Scyther Bug | C | |
Obtain MethodCeladon City Gift Available Moves Moves
Damage vs Mewtwo View Scyther builds →Thief 2x19-23% Pursuit 2x14-16% | ||
Pinsir Bug | C | |
Obtain MethodCeladon City Gift | ||
Venomoth BugPoison | C | |
Available Moves Moves
Damage vs Mewtwo View Venomoth builds →Leech Life 2x41-49% Silver Wind 2x33-39% Thief 2x28-33% | ||
Parasect BugGrass | C | |
Available Moves Moves
Damage vs Mewtwo View Parasect builds →Leech Life 2x54-63% Thief 2x20-24% | ||
Haunter GhostPoison | C | |
Available Moves Moves
Damage vs Mewtwo View Haunter builds →Shadow Ball 2x35-41% Shadow Punch 2x27-32% Thief 2x33-39% Lick 2x14-17% | ||
Scyther Bug | C | |
Obtain MethodCeladon City Gift Available Moves Moves
Damage vs Mewtwo View Scyther builds →Thief 2x19-23% Pursuit 2x14-16% | ||
Pinsir Bug | C | |
Obtain MethodCeladon City Gift | ||
Venomoth BugPoison | C | |
Available Moves Moves
Damage vs Mewtwo View Venomoth builds →Leech Life 2x39-46% Silver Wind 2x30-35% Thief 2x26-30% | ||
Parasect BugGrass | C | |
Available Moves Moves
Damage vs Mewtwo View Parasect builds →Leech Life 2x52-61% Thief 2x19-22% | ||
Haunter GhostPoison | C | |
Available Moves Moves
Damage vs Mewtwo View Haunter builds →Shadow Ball 2x33-39% Shadow Punch 2x25-30% Thief 2x30-36% Lick 2x13-16% | ||
Scyther Bug | C | |
Obtain MethodCeladon City Gift Available Moves Moves
Damage vs Mewtwo View Scyther builds →Thief 2x18-21% Pursuit 2x12-14% Fury Cutter 2x30-35% | ||
Pinsir Bug | C | |
Obtain MethodCeladon City Gift | ||
Venomoth BugPoison | C | |
Available Moves Moves
Damage vs Mewtwo View Venomoth builds →Leech Life 2x40-48% Silver Wind 2x31-36% Thief 2x26-31% | ||
Parasect BugGrass | C | |
Available Moves Moves
Damage vs Mewtwo View Parasect builds →Leech Life 2x53-63% Thief 2x19-23% | ||
Haunter GhostPoison | C | |
Available Moves Moves
Damage vs Mewtwo View Haunter builds →Shadow Ball 2x34-40% Shadow Punch 2x25-30% Thief 2x31-38% Lick 2x14-17% | ||
Scyther Bug | C | |
Obtain MethodCeladon City Gift Available Moves Moves
Damage vs Mewtwo View Scyther builds →Thief 2x19-22% Pursuit 2x13-15% Fury Cutter 2x31-36% | ||
Pinsir Bug | C | |
Obtain MethodCeladon City Gift | ||
In FireRed & LeafGreen, Gengar's Explosion hits Mewtwo for 35-41%. Forretress's Explosion hits Mewtwo for 51-60%. Houndoom deals 73-86% with Crunch.
Gengar GhostPoison | S | |
Recommended Build AbilityLevitate ItemLeftovers NatureTimid Moves
Damage vs Mewtwo View Gengar builds →Thunderbolt30-36% Explosion35-41% | ||
Forretress BugSteel | B | |
Recommended Build AbilitySturdy ItemLeftovers NatureCareful Moves
Damage vs Mewtwo View Forretress builds →Rapid Spin10-12% Explosion51-60% Earthquake21-24% | ||
Houndoom DarkFire | B | |
Recommended Build AbilityFlashfire ItemLeftovers NatureTimid Moves
Damage vs Mewtwo View Houndoom builds →Pursuit 2x37-43% Fire Blast50-59% Crunch 2x73-86% | ||
Dusclops Ghost | B | |
Recommended Build AbilityPressure ItemLeftovers NatureCalm Moves
Damage vs Mewtwo View Dusclops builds →Shadow Ball 2x37-43% | ||
Scizor BugSteel | C | |
Recommended Build AbilitySwarm ItemSalacberry NatureJolly Moves View Scizor builds →
| ||
FireRed & LeafGreen Evolution
No breeding, no evolution. Mewtwo is a Psychic legendary with 680 base stat total that you obtain once and build around. View every chain in the Evolution Chart.
How to Evolve
Breeding
FireRed & LeafGreen Mewtwo Best Moveset
Best Build
No build content available for this Pokemon in Gen 3.
Try selecting a different game/generation filter, or check back later.
Moves
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
How to Get Mewtwo in FireRed & LeafGreen
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 to Catch Mewtwo in FireRed & LeafGreen
Mewtwo Guide
In FireRed & LeafGreen, Mewtwo is a Legendary Pokemon rated S-Tier. At 680 BST, it hits hard. It excels as a sweeper. Base 154 Sp. Atk is where it shines.
Mega Evolution isn't available in FireRed & LeafGreen, but Mewtwo does have a Mega form in Gen 6-7 games (X/Y, ORAS, Sun/Moon). Mega Mewtwo hits 780 BST.
In FireRed & LeafGreen, Mewtwo's biggest threats include Scyther (Bug), Misdreavus (Ghost), and Tyranitar (Dark), all carrying super-effective STAB moves.
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.
In FireRed & LeafGreen, 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.
Game Availability
Mewtwo has appeared in 21 games since Red & Blue, spanning 10 generations. As a Legendary, it's typically a one-per-save encounter tied to the story or post-game content.
Click a game to view version-specific details
- Gen 1Y
Yellow - Gen 1RBDebut

Red & Blue - Gen 2GS

Gold & Silver - Gen 2C
Crystal - Gen 3RS

Ruby & Sapphire - Gen 3FRLG

FireRed & LeafGreen - Gen 3E
Emerald - Gen 4Pt
Platinum - Gen 4HGSS

HeartGold & SoulSilver - Gen 4DP

Diamond & Pearl - Gen 5BW

Black & White - Gen 5B2W2

Black 2 & White 2 - Gen 6XYMega XMega Y

X & Y - Gen 6ORASMega

Omega Ruby & Alpha Sapphire - Gen 7USUM

Ultra Sun & Ultra Moon - Gen 7SM

Sun & Moon - Gen 7LGPE

Let's Go Pikachu & Eevee - Gen 8SwSh

Sword & Shield - Gen 8PLA
Legends: Arceus - Gen 8BDSP

Brilliant Diamond & Shining Pearl - Gen 9SV

Scarlet & Violet - Gen 9LZA
Legends: Z-A - Gen 10WW

Winds & Waves
