Encounter locations
Kanto · 5 encounter records
| Location | Method | Level |
|---|---|---|
| Rock Tunnel B1F | Walking | 15–17 |
| Seven Island Sevault Canyon | Walking | 54 |
| Victory Road 1F | Walking | 44–46 |
| Victory Road 2F | Walking | 46–48 |
| Victory Road 3F | Walking | 44–46 |
Hoenn · 1 encounter records
| Location | Method | Level |
|---|---|---|
| Granite Cave | Overworld swarmOnly while this swarm is active | — |
Unova · 16 encounter records
| Location | Method | Level |
|---|---|---|
| Relic Castle (zone 166) | WalkingRequires Unova wild encounters to be enabled; spring encounters | 48–49 |
| Relic Castle (zone 167) | WalkingRequires Unova wild encounters to be enabled; spring encounters | 48–49 |
| Relic Castle (zone 168) | WalkingRequires Unova wild encounters to be enabled; spring encounters | 48–49 |
| Relic Castle (zone 169) | WalkingRequires Unova wild encounters to be enabled; spring encounters | 48–49 |
| Relic Castle (zone 170) | WalkingRequires Unova wild encounters to be enabled; spring encounters | 48–49 |
| Relic Castle (zone 171) | WalkingRequires Unova wild encounters to be enabled; spring encounters | 48–49 |
| Relic Castle (zone 172) | WalkingRequires Unova wild encounters to be enabled; spring encounters | 48–49 |
| Relic Castle (zone 173) | WalkingRequires Unova wild encounters to be enabled; spring encounters | 48–49 |
| Relic Castle (zone 174) | WalkingRequires Unova wild encounters to be enabled; spring encounters | 48–49 |
| Relic Castle (zone 175) | WalkingRequires Unova wild encounters to be enabled; spring encounters | 48–49 |
| Relic Castle (zone 176) | WalkingRequires Unova wild encounters to be enabled; spring encounters | 48–49 |
| Relic Castle (zone 177) | WalkingRequires Unova wild encounters to be enabled; spring encounters | 48–49 |
| Relic Castle (zone 178) | WalkingRequires Unova wild encounters to be enabled; spring encounters | 48–49 |
| Relic Castle (zone 179) | WalkingRequires Unova wild encounters to be enabled; spring encounters | 48–49 |
| Relic Castle (zone 180) | WalkingRequires Unova wild encounters to be enabled; spring encounters | 48–49 |
| Relic Castle (zone 183) | WalkingRequires Unova wild encounters to be enabled; spring encounters | 48–49 |
Sinnoh · 23 encounter records
| Location | Method | Level |
|---|---|---|
| Iron Island 1F | Walking | 31–33 |
| Iron Island B1F Left Room | WalkingBefore National Dex | 31–33 |
| Iron Island B1F Left Room | WalkingNational Dex obtained | 31–33 |
| Iron Island B1F Right Room | WalkingBefore National Dex | 31–33 |
| Iron Island B1F Right Room | WalkingNational Dex obtained | 31–33 |
| Iron Island B2F Left Room | WalkingBefore National Dex | 32 |
| Iron Island B2F Left Room | WalkingNational Dex obtained | 32 |
| Iron Island B2F Right Room | WalkingBefore National Dex | 32 |
| Iron Island B2F Right Room | WalkingNational Dex obtained | 32 |
| Oreburgh Mine | Overworld swarmOnly while this swarm is active | — |
| Oreburgh Mine B1F | WalkingBefore National Dex | 6–8 |
| Oreburgh Mine B1F | WalkingNational Dex obtained | 6–8 |
| Oreburgh Mine B2F | WalkingBefore National Dex | 7–9 |
| Oreburgh Mine B2F | WalkingNational Dex obtained | 7–9 |
| Victory Road 1F | Walking | 41–42 |
| Victory Road 1F Room 1 | Walking | 48–50 |
| Victory Road 1F Room 3 | Walking | 48–50 |
| Victory Road 2F | Walking | 42 |
| Victory Road B1F | Walking | 42 |
| Wayward Cave 1F | WalkingBefore National Dex | 18–20 |
| Wayward Cave 1F | WalkingNational Dex obtained | 18–20 |
| Wayward Cave B1F | WalkingBefore National Dex | 18–20 |
| Wayward Cave B1F | WalkingNational Dex obtained | 18–20 |
Johto · 22 encounter records
| Location | Method | Level |
|---|---|---|
| Cliff Cave | Overworld swarmOnly while this swarm is active | — |
| Cliff Cave | WalkingDay | 20 |
| Cliff Cave | WalkingNight | 20 |
| Mount Silver Cave 1F | WalkingDay | 42 |
| Mount Silver Cave 1F | WalkingNight | 42 |
| Mount Silver Cave Lower Mountainside | WalkingDay | 48 |
| Mount Silver Cave Lower Mountainside | WalkingNight | 48 |
| Rock Tunnel B1F | WalkingDay | 16 |
| Rock Tunnel B1F | WalkingNight | 16 |
| Union Cave | Overworld swarmOnly while this swarm is active | — |
| Union Cave 1F | WalkingDay | 6 |
| Union Cave 1F | WalkingNight | 6 |
| Union Cave B1F | WalkingDay | 8 |
| Union Cave B1F | WalkingNight | 8 |
| Union Cave B2F | WalkingDay | 23 |
| Union Cave B2F | WalkingNight | 23 |
| Victory Road 1F | WalkingDay | 34–36 |
| Victory Road 1F | WalkingNight | 34–36 |
| Victory Road 2F | WalkingDay | 34–36 |
| Victory Road 2F | WalkingNight | 34–36 |
| Victory Road 3F | WalkingDay | 34–36 |
| Victory Road 3F | WalkingNight | 34–36 |
This Pokémon is eligible for Mirage Rifts. Each opening rolls its own pool, so check active portals on the Town Map.
Check the Town Map to see which swarms are active.
This guide covers documented encounter tables and selected story events. Other scripted gifts or events may also award this Pokémon.
Natures
Randomly generated Pokémon can have any of the 25 natures. Twenty raise one stat by 10% and lower another by 10%. Five are neutral. HP stays the same.
View all 25 natures and stat effects
| Nature | Raises (+10%) | Lowers (−10%) |
|---|---|---|
| Hardy | — | — |
| Lonely | Attack | Defense |
| Brave | Attack | Speed |
| Adamant | Attack | Special Attack |
| Naughty | Attack | Special Defense |
| Bold | Defense | Attack |
| Docile | — | — |
| Relaxed | Defense | Speed |
| Impish | Defense | Special Attack |
| Lax | Defense | Special Defense |
| Timid | Speed | Attack |
| Hasty | Speed | Defense |
| Serious | — | — |
| Jolly | Speed | Special Attack |
| Naive | Speed | Special Defense |
| Modest | Special Attack | Attack |
| Mild | Special Attack | Defense |
| Quiet | Special Attack | Speed |
| Bashful | — | — |
| Rash | Special Attack | Special Defense |
| Calm | Special Defense | Attack |
| Gentle | Special Defense | Defense |
| Sassy | Special Defense | Speed |
| Careful | Special Defense | Special Attack |
| Quirky | — | — |
Stats and abilities
- HP
- 35
- Attack
- 45
- Defense
- 160
- Sp. Attack
- 30
- Sp. Defense
- 45
- Speed
- 70
Abilities · Rock Head / Sturdy
Hidden ability · Weak Armor
Size · 8.8 m · 210 kg
Evolution and forms
- Into Steelix · Trade while holding Metal Coat
Level-up moves
View level-up moves for Onix
| Level | Move |
|---|---|
| 1 | Tackle |
| 1 | Harden |
| 1 | Bind |
| 1 | Rock Throw |
| 4 | Smack Down |
| 8 | Rock Polish |
| 12 | Dragon Breath |
| 16 | Curse |
| 20 | Rock Slide |
| 24 | Screech |
| 28 | Sand Tomb |
| 32 | Stealth Rock |
| 36 | Slam |
| 40 | Sandstorm |
| 44 | Dig |
| 48 | Iron Tail |
| 52 | Stone Edge |
| 56 | Double Edge |