21highest level
Sailor Brenden 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 ×3Bug ×2
| Pokémon | Ability & item | Moves | Base stats | |
|---|---|---|---|---|
 | Skorupi Lv 21 PoisonBug | Ability Battle Armor | Venoshock Knock Off Bug Bite Poison Fang | HP40Attack50Defense90Sp. Atk30Sp. Def55Speed65Total330 |
 | Seviper Lv 21 Poison | Ability Shed Skin | Venoshock Poison Fang Glare Bite | HP73Attack100Defense60Sp. Atk100Sp. Def60Speed65Total458 |
 | Whirlipede Lv 21 BugPoison | Ability Poison Point | Poison Tail Bug Bite Rollout Iron Defense | HP40Attack55Defense99Sp. Atk40Sp. Def79Speed47Total360 |
How to beat this team
Shared weaknesses. Psychic hits 3 of 3, Fire hits 2 of 3, Flying hits 2 of 3, Rock hits 2 of 3.
Level to be ready for. Lv 21 — Skorupi, the highest on the team.
Psychic Pokémon you can have caught by this point. From this guide’s own encounter tables, by Badge 1 — Rustboro City Gym (Leader Dan):