Abilities
MetaMons competitive notes
Mega Mewtwo Y is a psychic-type Pokémon whose base stats lean toward Special Attack — at 780 BST it is a legendary-grade total for competitive play, with top speed tier (base 140) and a special attacking profile. Its Insomnia ability matters more than the raw numbers when it hits the field: check what it does before deciding between a sweeper, pivot, or support role for Mega Mewtwo Y. Build around what Mega Mewtwo Y actually threatens, not its in-game lore — start from its weaknesses and strongest STAB moves, then decide whether its Speed, bulk, or coverage justifies a team slot.
Damage multipliers when attacked by each type
A MetaMons teambuilding read based on base stats and typing
Mega Mewtwo Y takes super-effective damage from Bug, Ghost, Dark moves — every one of those types is a check you need an answer for when drafting. Before locking Mega Mewtwo Y into a team, check the weakness guide and count how many of those types your remaining five slots can answer.
- Highest stat
- Special Attack (194)
- Lowest stat
- Defense (70)
- Offensive lean
- special
- Speed tier
- top speed tier (base 140)
- BST
- 780 (legendary-grade for the format)
Compare this Pokémon against your roster’s shared weaknesses in the MetaMons team builder, where the 18-type coverage heatmap reads the whole team, not one slot.
About Mega Mewtwo Y
Mega Mewtwo Y is the Genetic Pokémon a Psychic type Pokémon and a Legendary Pokémon. It has a base stat total of 780 with Insomnia as its ability.
What is Mega Mewtwo Y weak to?
Mega Mewtwo Y is a Psychic-type, so it takes super-effective damage from Bug, Ghost, Dark. It resists Fighting, Psychic.
How to counter Mega Mewtwo Y
To counter Mega Mewtwo Y in competitive play, bring Pokémon that can hit back with Bug or Ghost or Dark moves and can withstand its Psychic STAB attacks. Check the type-defense grid above for the full multiplier breakdown.
Using Mega Mewtwo Y in competitive teams
Mega Mewtwo Y may be available in some Smogon or VGC formats, depending on the generation and active rules. The builder can help explore sets, but it does not validate every species banlist or event regulation. Build a competitive team with Mega Mewtwo Y on Metamons and get AI reads on your type coverage and threats before you queue.