#0095 · Gen 1 · 385 BST
Onix
An early-evolution Rock/Ground-type Pokémon from Generation 1 with an exceptional 160 base Defense. Common ability: Rock Head.
Base stats
Level 50, min EVs/IVs, − nature
110/58/162/45/58/81
Level 50, 252 EVs, 31 IVs, + nature
142/106/233/90/106/134
Abilities
It cannot be knocked out with one hit. One-hit KO moves cannot knock it out, either.
Physical attacks to the Pokémon lower its Defense stat but sharply raise its Speed stat.
Type effectiveness
Takes 4× damage from
Takes 2× damage from
Takes ½× damage from
Takes ¼× damage from
Takes 0× damage from
Use the type chart for the full 18×18 matchup grid.
About Onix
Onix is a Rock/Ground-type Pokémon from Generation 1 with a Base Stat Total of 385. An early-evolution Rock/Ground-type Pokémon from Generation 1 with an exceptional 160 base Defense. Common ability: Rock Head.
Best stat: Defense (160 base)
Onix's standout stat informs its competitive role. With 45 base Attack and 70 base Speed, the standard offensive set will invest 252 EVs into Attack and 252 into Speed — though its low Speed often warrants Trick Room support instead.
Abilities
- Rock Head
- Sturdy
- Weak Armor
How to use Onix competitively
Open the damage calculator with Onix selected to test offensive matchups. For an EV spread that hits key benchmarks, use the EV calculator — Onix appears in the species dropdown. Drop Onix into the team builder to check coverage with five teammates.
Pokédex data summary
| National Dex # | #0095 |
|---|---|
| Generation | Gen 1 |
| Type | Rock / Ground |
| Abilities | Rock Head, Sturdy, Weak Armor |
| Base Stat Total | 385 |
| HP / Atk / Def / SpA / SpD / Spe | 35 / 45 / 160 / 30 / 45 / 70 |