#0095
— Rock Snake Pokémon
Onix
Abilities
MetaMons competitive notes
Onix is a rock/ground-type Pokémon whose base stats lean toward Defense — at 385 BST it is a low total for competitive play, with mid-pack speed (base 70) and a mixed attacking profile. Its Rock Head 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 Onix. Build around what Onix 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.
Onix is a Rock/Ground-type Pokémon. Full weakness, resistance, and immunity breakdown below.
Onix is a Rock/Ground-type, so it takes super-effective damage from Water, Grass, Ice, Fighting, Ground, Steel. It resists Poison, Normal, Fire, Flying, Rock. It is immune to Electric.
- Water4× damage
- Grass4× damage
- Ice2× damage
- Fighting2× damage
- Ground2× damage
- Steel2× damage
- Poison0.25× damage
- Normal0.5× damage
- Fire0.5× damage
- Flying0.5× damage
- Rock0.5× damage
- Electric0× damage
To counter Onix in competitive play, bring Pokémon that can hit back with Water or Grass or Ice or Fighting or Ground or Steel moves and can withstand its Rock/Ground STAB attacks.
Want the full picture? See Onix's base stats, moveset, and evolution chain.