19highest level
Picnicker Diana fields one Pokémon at level 19 in Cerulean City Gym.
This is around Boulder Badge — Mt. Moon and Cerulean City — Lv. 21 cap in the story — that page lists everything you can have caught by this point.
Types on this team: Water
| Pokémon | Ability & item | Moves | Base stats | |
|---|---|---|---|---|
 | Seel Lv 19 Water | Ability Thick Fat | Headbutt Growl Water Gun Icy Wind | HP75Attack45Defense55Sp. Atk55Sp. Def70Speed45Total345 |
How to beat this team
Shared weaknesses. Electric hits 1 of 1, Grass hits 1 of 1.
Level to be ready for. Lv 19 — Seel, the highest on the team.
Electric Pokémon you can have caught by this point. From this guide’s own encounter tables, by Boulder Badge — Mt. Moon and Cerulean City — Lv. 21 cap: