21highest level
Black Belt Takao fields 3 Pokémon at level 21 in Dewford Town Gym.
This is around Badge 1 — Rustboro City Gym (Leader Dan) in the story — that page lists everything you can have caught by this point.
Types on this team: Poison ×3ElectricFireWater
| Pokémon | Ability & item | Moves | Base stats | |
|---|---|---|---|---|
 | Mareanie Lv 21 PoisonWater | Ability Merciless | Pin Missile Venoshock Recover Bite | HP50Attack53Defense62Sp. Atk43Sp. Def52Speed45Total305 |
 | Salandit Lv 21 PoisonFire | Ability Corrosion | Ember Poison Fang Smog | HP48Attack44Defense40Sp. Atk71Sp. Def40Speed77Total320 |
 | Toxel Lv 21 ElectricPoison | Ability Rattled | Nuzzle Acid Endeavor | HP40Attack38Defense35Sp. Atk54Sp. Def35Speed40Total242 |
How to beat this team
Shared weaknesses. Ground hits 3 of 3, Psychic hits 3 of 3, Electric hits 1 of 3, Rock hits 1 of 3.
Level to be ready for. Lv 21 — Mareanie, the highest on the team.
Ground Pokémon you can have caught by this point. From this guide’s own encounter tables, by Badge 1 — Rustboro City Gym (Leader Dan):