Is Mewtwo Good in FireRed & LeafGreen Playthrough?
Cerulean Cave after the E4. AbilityPressure doubles PP consumption. 680 BST makes Mewtwo the strongest Pokemon in FRLG and it's only available after everything is beaten. Nothing in the postgame threatens it. A trophy that could have soloed the entire game if it arrived earlier.
Mewtwo resists most of Brock's coverage and hits back hard.
Mewtwo resists most of Misty's coverage and hits back hard.
Mewtwo resists most of Lt. Surge's coverage and hits back hard.
Mewtwo resists most of Erika's coverage and hits back hard.
Mewtwo resists most of Koga's coverage and hits back hard.
Mewtwo has the type edge here and should clean up Sabrina's team.
Mewtwo resists most of Blaine's coverage and hits back hard.
Mewtwo resists most of Giovanni's coverage and hits back hard.
Mewtwo has the type edge here and should clean up Lorelei's team.
Mewtwo resists most of Bruno's coverage and hits back hard.
Mewtwo resists most of Agatha's coverage and hits back hard.
Mewtwo resists most of Lance's coverage and hits back hard.
Mewtwo has the type edge here and should clean up Terry's team.
Catch Mewtwo on Cerulean Cave (interact, Lv 70, limited). Post-game unlock requires Elite Four + National Pokedex + Celio's Sevii quest. Switch FRLG (2026 re-release): the original GBA Ruby/Sapphire cartridge-link verification was removed; delivering the Sapphire to Celio is now the final trigger. One Mewtwo per save.. Static encounter deep inside Cerulean Cave after defeating the Elite Four
- STARTING (Lv 70)
- LV 70PsychicPsychic135100%10
- After Erika
- TM15NormalHyper Beam15090%5
- TM22GrassSolar Beam120100%10
- After Sabrina
- TUTORPsychicDream Eater150100%15
- TM04PsychicCalm Mind—100%20
- After Koga
- TM01FightingFocus Punch150100%20
- After Giovanni
- TUTORNormalDouble-Edge120100%15
- Post-Game
- TUTORNormalBody Slam85100%15
- TM42NormalFacade70100%20
- LV 88PsychicFuture Sight180100%10
How to Get Mewtwo in FireRed & LeafGreen
Level 70 in Cerulean Cave, post-Champion only, both versions. The highest-level encounter in all of FRLG with a catch rate of 3. Bring your best balls and your patience.
1 location to catch Mewtwo
Badge 8How to Get Mewtwo in FireRed & LeafGreen
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
What is Mewtwo Weak Against
VulnerableBest Pokemon Against Mewtwo
 Butterfree Bug | C | |
 Beedrill BugPoison | C | |
 Paras BugGrass | C | |
Butterfree Bug | C | |
Beedrill BugPoison | C | |
Paras BugGrass | C | |
 Haunter GhostPoison | C | |
Available Moves Moves
Damage vs Mewtwo View Haunter builds →Shadow Ball 2x35-41% Thief 2x21-26% | ||
Butterfree Bug | C | |
Available Moves Moves
Damage vs Mewtwo View Butterfree builds →Shadow Ball 2x21-26% Thief 2x18-22% | ||
 Parasect BugGrass | C | |
Available Moves Moves
Damage vs Mewtwo View Parasect builds →Leech Life 2x16-19% Thief 2x14-17% | ||
Beedrill BugPoison | C | |
Available Moves Moves
Damage vs Mewtwo View Beedrill builds →Twineedle 2x18-22% Thief 2x12-15% | ||
 Venomoth BugPoison | C | |
Available Moves Moves
Damage vs Mewtwo View Venomoth builds →Silver Wind 2x33-39% Thief 2x19-23% | ||
Haunter GhostPoison | C | |
Available Moves Moves
Damage vs Mewtwo View Haunter builds →Shadow Ball 2x35-41% Thief 2x22-26% | ||
Butterfree Bug | C | |
Available Moves Moves
Damage vs Mewtwo View Butterfree builds →Shadow Ball 2x22-26% Thief 2x19-23% | ||
Parasect BugGrass | C | |
Available Moves Moves
Damage vs Mewtwo View Parasect builds →Leech Life 2x16-20% Thief 2x14-16% | ||
Beedrill BugPoison | C | |
Available Moves Moves
Damage vs Mewtwo View Beedrill builds →Twineedle 2x18-22% Pursuit 2x12-15% | ||
Venomoth BugPoison | C | |
Available Moves Moves
Damage vs Mewtwo View Venomoth builds →Silver Wind 2x33-39% Thief 2x19-23% | ||
Haunter GhostPoison | C | |
Available Moves Moves
Damage vs Mewtwo View Haunter builds →Shadow Ball 2x35-41% Thief 2x22-26% | ||
Butterfree Bug | C | |
Available Moves Moves
Damage vs Mewtwo View Butterfree builds →Shadow Ball 2x22-26% Thief 2x19-23% | ||
Parasect BugGrass | C | |
Available Moves Moves
Damage vs Mewtwo View Parasect builds →Leech Life 2x16-20% Thief 2x14-16% | ||
Beedrill BugPoison | C | |
Available Moves Moves
Damage vs Mewtwo View Beedrill builds →Twineedle 2x18-22% Pursuit 2x12-15% | ||
Venomoth BugPoison | C | |
Available Moves Moves
Damage vs Mewtwo View Venomoth builds →Silver Wind 2x30-35% Thief 2x18-21% | ||
Butterfree Bug | C | |
Available Moves Moves
Damage vs Mewtwo View Butterfree builds →Silver Wind 2x23-28% Shadow Ball 2x20-23% Thief 2x18-21% | ||
Haunter GhostPoison | C | |
Available Moves Moves
Damage vs Mewtwo View Haunter builds →Shadow Ball 2x33-39% Thief 2x20-25% | ||
Parasect BugGrass | C | |
Available Moves Moves
Damage vs Mewtwo View Parasect builds →Leech Life 2x15-18% Thief 2x13-15% | ||
Beedrill BugPoison | C | |
Available Moves Moves
Damage vs Mewtwo View Beedrill builds →Twineedle 2x18-21% Pursuit 2x11-13% | ||
Venomoth BugPoison | C | |
Available Moves Moves
Damage vs Mewtwo View Venomoth builds →Silver Wind 2x31-36% Thief 2x18-21% | ||
Butterfree Bug | C | |
Available Moves Moves
Damage vs Mewtwo View Butterfree builds →Silver Wind 2x24-28% Shadow Ball 2x20-24% Thief 2x18-21% | ||
Haunter GhostPoison | C | |
Available Moves Moves
Damage vs Mewtwo View Haunter builds →Shadow Ball 2x34-40% Thief 2x22-25% | ||
Parasect BugGrass | C | |
Available Moves Moves
Damage vs Mewtwo View Parasect builds →Leech Life 2x15-18% Thief 2x13-15% | ||
Beedrill BugPoison | C | |
Available Moves Moves
Damage vs Mewtwo View Beedrill builds →Twineedle 2x18-22% Pursuit 2x11-13% | ||
 Heracross BugFighting | A | |
Available Moves Moves
Damage vs Mewtwo View Heracross builds →Megahorn 2x99-116%KO Thief 2x9-11% | ||
 Tyranitar RockDark | S | |
Haunter GhostPoison | C | |
Available Moves Moves
Damage vs Mewtwo View Haunter builds →Shadow Ball 2x32-38% Thief 2x21-25% | ||
Venomoth BugPoison | C | |
Available Moves Moves
Damage vs Mewtwo View Venomoth builds →Silver Wind 2x29-35% Thief 2x18-21% | ||
 Yanma Bug | C | |
Available Moves Moves
Damage vs Mewtwo View Yanma builds →Shadow Ball 2x26-30% Thief 2x15-18% | ||
In FireRed & LeafGreen, Gengar's Explosion hits Mewtwo for 39-46%.
S | ||
Recommended Build AbilityIntimidate ItemLeftovers NatureRash Moves
Damage vs Mewtwo View Salamence builds →Earthquake32-38% Rock Slide24-29% | ||
S | ||
Recommended Build AbilityLevitate ItemLeftovers NatureTimid Moves
Damage vs Mewtwo View Gengar builds →Thunderbolt30-36% Explosion39-46% | ||
A | ||
Recommended Build AbilityKeeneye ItemLeftovers NatureCareful Moves View Skarmory builds →
| ||
B | ||
Recommended Build AbilityEffect Spore ItemLeftovers NatureJolly Moves
Damage vs Mewtwo View Breloom builds →Mach Punch8-9% | ||
B | ||
Recommended Build AbilitySturdy ItemLeftovers NatureCareful Moves
Damage vs Mewtwo View Forretress builds →Rapid Spin11-14% Explosion56-67% Earthquake23-27% | ||
Mewtwo Evolutions
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
FRLG Mewtwo Best Moveset
154 Sp. Atk at 130 Speed is the highest special offensive stat in the format. AbilityPressure doubles PP usage. The moveset fires MovePsychic for Psychic TermStab at unmatched power, with MoveIce Beam, MoveThunderbolt, and MoveFlamethrower covering everything else. Nothing blocks Mewtwo effectively. Format-defining legendary.
Best Build
Mewtwo best EVs are Sp. Atk and Speed
Special Setup Sweeper Moveset
- Ice Beam
- Thunder
- Self Destruct
- Calm Mind
Recommended Teammates
Moves List
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.
How to Read the Moves Table
Tabs
- Level-Up
- Learned by leveling up.
- TM
- Taught by a Technical Machine.
- Egg
- Inherited via breeding.
- Tutor
- NPC tutor (cost: items, BP, money).
- Reminder
- An NPC reteaches any move this Pokemon could have learned by leveling up.
- Transfer
- Carried over from an older game using Pokemon HOME.
- Event
- Given out through Mystery Gift events.
Visual Signals
CAT (Category)
How the move deals damage and which stats it uses.
A small dot on the icon's corner marks the move as contact. That triggers abilities like Static, Flame Body, Rough Skin, or Iron Barbs, plus items like Rocky Helmet and Sticky Barb.
Tier (S to D)
Each move's competitive rank in RankedBoost's system. TM, Egg, and Tutor sort by tier by default (best first). On Level-Up, click the Tier header to do the same.
PWR (Power)
Base damage. Numbers shown in a type color include STAB (base × 1.5). Hover any colored number to see the math.
— means no power (status moves) or variable power.
Sorting & Filter
Click any column header to sort. Level-Up opens with Lv 1 at the top. TM, Egg, and Tutor open with the highest-tier moves at the top.
Search filters by move name or type. The Filter button limits the list to STAB, Physical, Special, or Status moves.
Level-Up Moves
TM Moves
Egg Moves
Tutor Moves
Base Stats
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 FireRed & LeafGreen Guide
Mewtwo is a static encounter at Cerulean Cave in FireRed & LeafGreen. Mewtwo appears at level 70. Prerequisite: Post-game unlock requires Elite Four + National Pokedex + Celio's Sevii quest. Switch FRLG (2026 re-release): the original GBA Ruby/Sapphire cartridge-link verification was removed; delivering the Sapphire to Celio is now the final trigger. One Mewtwo per save. Save before the encounter. These one-shot Pokemon don't respawn if you knock them out or run out of Poke Balls.
Yes. Mewtwo is not available during the main story. It can only be obtained after entering the Hall of Fame. Mewtwo is found on the Sevii Islands. Sevii Islands 1-3 unlock after defeating Lt. Surge in Vermilion City; Sevii Islands 4-7 unlock after entering the Hall of Fame and showing 60+ species in your Pokedex (talk to Celio on One Island to get the Rainbow Pass).
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 1RBDebut
Red & Blue - Gen 1Y
Yellow - Gen 2GS
Gold & Silver - Gen 2C
Crystal - Gen 3RS
Ruby & Sapphire - Gen 3E
Emerald - Gen 3FRLG
FireRed & LeafGreen - Gen 4DP
Diamond & Pearl - Gen 4Pt
Platinum - Gen 4HGSS
HeartGold & SoulSilver - Gen 5BW
Black & White - Gen 5B2W2
Black 2 & White 2 - Gen 6XYMega XMega Y
X & Y - Gen 6ORASMega
Omega Ruby & Alpha Sapphire - Gen 7SM
Sun & Moon - Gen 7USUM
Ultra Sun & Ultra Moon - Gen 7LGPE
Let's Go Pikachu & Eevee - Gen 8SwSh
Sword & Shield - Gen 8BDSP
Brilliant Diamond & Shining Pearl - Gen 8PLA
Legends: Arceus - Gen 9SV
Scarlet & Violet - Gen 9LZA
Legends: Z-A - Gen 10WW
Winds & Waves