Abilities
MetaMons competitive notes
Mega Greninja is a water/dark-type Pokémon whose base stats lean toward Speed — at 630 BST it is a legendary-grade total for competitive play, with top speed tier (base 142) and a mixed attacking profile. Its Protean 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 Greninja. Build around what Mega Greninja 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 Greninja takes super-effective damage from Electric, Grass, Fighting, Bug, Fairy moves — every one of those types is a check you need an answer for when drafting. Before locking Mega Greninja into a team, check the weakness guide and count how many of those types your remaining five slots can answer.
- Highest stat
- Speed (142)
- Lowest stat
- HP (72)
- Offensive lean
- mixed
- Speed tier
- top speed tier (base 142)
- BST
- 630 (legendary-grade for the format)
Mega Greninja is a water/dark-type Pokémon whose base stats lean toward Speed — at 630 BST it is a legendary-grade total for competitive play, with top speed tier (base 142) and a mixed attacking profile. Its Protean 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 Greninja. Build around what Mega Greninja 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. Compare this profile 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 Greninja
Mega Greninja is the Ninja Pokémon a Water/Dark type Pokémon. It has a base stat total of 630 with Protean as its ability.
What is Mega Greninja weak to?
Mega Greninja is a Water/Dark-type, so it takes super-effective damage from Electric, Grass, Fighting, Bug, Fairy. It resists Fire, Water, Ice, Ghost, Dark, Steel. It is immune to Psychic.
How to counter Mega Greninja
To counter Mega Greninja in competitive play, bring Pokémon that can hit back with Electric or Grass or Fighting or Bug or Fairy moves and can withstand its Water/Dark STAB attacks. Check the type-defense grid above for the full multiplier breakdown.
Using Mega Greninja in competitive teams
Mega Greninja can be added to Smogon or VGC teams across Gen 1–9 formats. Build a competitive team with Mega Greninja on Metamons and get AI reads on your type coverage and threats before you queue.