Wild Zone 14 — 1 location on the interactive map.
Rock Tunnel — 1 location on the interactive map.
Sevault Canyon — 1 location on the interactive map.
Rock Tunnel, Victory Road — 2 locations on the interactive map.
Mt. Silver, Mt. Silver Cave, Rock Tunnel, Union Cave, Violet City — 5 locations on the interactive map.
Onix → Steelix (Trade holding Metal Coat)
Normal: Heavy Ball, Ultra Ball. Shiny: Nest Ball, Safari Ball, Luxury Ball. See the full matching Pokéballs guide for every Pokémon.
Base stats — HP 35, Attack 45, Defense 160, Sp. Atk 30, Sp. Def 45, Speed 70. Calculate final stats with IVs, EVs, level, nature or Champions SP.
| Language | Name |
|---|---|
| Korean | 롱스톤 |
| Chinese (Traditional) | 大岩蛇 |
| French | Onix |
| German | Onix |
| Spanish | Onix |
| Italian | Onix |
| Japanese | イワーク |
| Chinese (Simplified) | 大岩蛇 |