As a Rock/Ground type, Onix has 6 weaknesses, 5 resistances and 1 immunity, more than the average Pokémon's 3.3 weaknesses. 8 other Pokémon share the Rock/Ground typing.

Base stats

HP: 35
Attack: 45
Defense: 160
Sp. Atk: 30
Sp. Def: 45
Speed: 70
Total: 385

Onix has a base stat total of 385, higher than 32% of Pokémon. Its best stat is Defense (160). With Attack (45) well above Sp. Atk (30), it works best as a physical attacker. Its Speed of 70 is middling (faster than 50% of Pokémon). With 35 HP, 160 Defense and 45 Sp. Def it is reasonably sturdy and holds up better against physical hits.

Onix can have the abilities Rock Head, Sturdy and Weak Armor.

How to beat Onix

The best way to beat Onix is with Water and Grass moves, which deal 4× damage. Fighting, Ground, Steel and Ice moves are also super effective (2×).

Avoid relying on attacks it shrugs off: Electric moves have no effect on it and Normal, Flying, Poison, Rock and Fire moves are resisted.

Good counters: Virizion hits for 4× with Grass-type STAB and resists its Rock and Ground moves. Chesnaught hits for 4× with Grass-type STAB and resists its Rock and Ground moves. Hisuian Decidueye hits for 4× with Grass-type STAB and resists its Rock and Ground moves.

Evolution

Onix is the first stage of a 2-stage line (Onix → Steelix) and evolves into Steelix.

Best counters to Onix

Other Rock/Ground Pokémon

Frequently asked questions

What is Onix weak to?

As a Rock/Ground type, Onix takes super-effective damage from Water (4×), Grass (4×), Fighting, Ground, Steel and Ice moves.

What is Onix resistant to?

Onix resists Normal, Flying, Rock, Fire and Poison (¼×) moves. It is immune to Electric.

What are the best counters to Onix?

Strong type-based picks include Virizion, Chesnaught and Hisuian Decidueye, which hit Onix with super-effective attacks.