Abilities
MetaMons competitive notes
Gigantamax Rillaboom is a grass-type Pokémon whose base stats lean toward Attack — at 530 BST it is a strong total for competitive play, with above-average speed (base 85) and a physical attacking profile. Its Overgrow 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 Gigantamax Rillaboom. Build around what Gigantamax Rillaboom 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.
Gigantamax Rillaboom is a Grass-type Pokémon. Full weakness, resistance, and immunity breakdown below.
Gigantamax Rillaboom is a Grass-type, so it takes super-effective damage from Fire, Ice, Poison, Flying, Bug. It resists Water, Electric, Grass, Ground.
- Fire2× damage
- Ice2× damage
- Poison2× damage
- Flying2× damage
- Bug2× damage
- Water0.5× damage
- Electric0.5× damage
- Grass0.5× damage
- Ground0.5× damage
Gigantamax Rillaboom has no type immunities.
To counter Gigantamax Rillaboom in competitive play, bring Pokémon that can hit back with Fire or Ice or Poison or Flying or Bug moves and can withstand its Grass STAB attacks.
Fire-type counters
Want the full picture? See Gigantamax Rillaboom's base stats, moveset, and evolution chain.
