21level cap
Misty fields 3 Pokémon at level 21 in Cerulean City Gym.
This is around Boulder Badge — Mt. Moon and Cerulean City in the story — that page lists everything you can have caught by this point.
Types on this team: Water ×3Psychic
| Pokémon | Ability & item | Moves | Base stats | |
|---|---|---|---|---|
 | Psyduck Lv 21 Water | Ability Swift Swim Held item Damp Rock Calm nature · EVs 100 HP / 200 SpA / 128 SpD / 80 Spe | Confuse Ray Water Pulse Rain Dance Confusion | HP50Attack52Defense48Sp. Atk65Sp. Def50Speed55Total320 |
 | Goldeen Lv 21 Water | Ability Lightning Rod Held item Rindo Berry EVs 100 HP / 180 Atk / 100 Def / 8 SpD / 120 Spe | Swords Dance Poison Jab Aqua Tail Drill Run | HP45Attack67Defense60Sp. Atk35Sp. Def50Speed63Total320 |
 | Starmie Lv 21 WaterPsychic | Ability Illuminate Held item Wacan Berry Quiet nature · EVs 200 HP / 40 Def / 252 SpA / 16 SpD | Thunder Wave Water Pulse Psybeam Recover | HP60Attack75Defense85Sp. Atk100Sp. Def85Speed115Total520 |
How to beat this team
Shared weaknesses. Electric hits 3 of 3, Grass hits 3 of 3, Bug hits 1 of 3, Dark hits 1 of 3.
Level to be ready for. Lv 21 — Psyduck, 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: