20highest level
Hiker Oliver fields 3 Pokémon at level 20 in Rock Tunnel 1F.
Fought at Rock Tunnel 1F.
This is around Thunder Badge — Rock Tunnel to Celadon City in the story — that page lists everything you can have caught by this point.
Types on this team: Ground ×3Rock ×3
| Pokémon | Ability & item | Moves | Base stats | |
|---|---|---|---|---|
 | Onix Lv 20 RockGround | The game’s documentation doesn’t list this trainer’s exact moves. Level-up moves Onix knows by Lv 20 in Pokémon Classic: Rage Stealth Rock Rock Polish Gyro Ball | HP35Attack45Defense160Sp. Atk30Sp. Def45Speed70Total385 | |
| Onix Lv 20 RockGround | The game’s documentation doesn’t list this trainer’s exact moves. Level-up moves Onix knows by Lv 20 in Pokémon Classic: Rage Stealth Rock Rock Polish Gyro Ball | HP35Attack45Defense160Sp. Atk30Sp. Def45Speed70Total385 | |
 | Geodude Lv 20 RockGround | The game’s documentation doesn’t list this trainer’s exact moves. Level-up moves Geodude knows by Lv 20 in Pokémon Classic: Rollout Magnitude Rock Throw Smack Down | HP40Attack80Defense100Sp. Atk30Sp. Def30Speed20Total300 |
How to beat this team
Shared weaknesses. Fighting hits 3 of 3, Grass hits 3 of 3, Ground hits 3 of 3, Ice hits 3 of 3.
Level to be ready for. Lv 20 — Onix, the highest on the team.
Fighting Pokémon you can have caught by this point. From this guide’s own encounter tables, by Thunder Badge — Rock Tunnel to Celadon City: