26highest level
Super Nerd Leslie fields one Pokémon at level 26 in Route 8.
Fought at Route 8.
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: Poison
| Pokémon | Ability & item | Moves | Base stats | |
|---|---|---|---|---|
 | Koffing Lv 26 Poison | Sludge Smokescreen Smog Selfdestruct | HP40Attack65Defense95Sp. Atk60Sp. Def45Speed35Total340 |
How to beat this team
Shared weaknesses. Ground hits 1 of 1, Psychic hits 1 of 1.
Level to be ready for. Lv 26 — Koffing, the highest on the team.
Ground Pokémon you can have caught by this point. From this guide’s own encounter tables, by Thunder Badge — Rock Tunnel to Celadon City: