When it travels underground, it causes rumbling and tremors. It can move at 50 mph.
| Attack | Cost | Damage | Effect |
|---|---|---|---|
| Tunneling | Fighting | Choose up to 2 of your opponent's Benched Pokémon. This attack does 10 damage to each of them. (Don't apply Weakness and Resistance for Benched Pokémon.) Onix can't attack during your next turn. | |
| Headbutt | Colorless, Colorless | 20 |