30level cap
Erika fields 3 Pokémon between level 28 and level 30 in Celadon Gym.
This is around Beat Erika — Celadon Gym, badge 4 in the story — that page lists everything you can have caught by this point.
Types on this team: Grass ×3FirePsychic
| Pokémon | Ability & item | Moves | Base stats | |
|---|---|---|---|---|
 | Leafeon Lv 28 Grass | Ability Chlorophyll Held item Heat Rock | Trop Kick Quick Attack Bite Sunny Day | HP95Attack130Defense150Sp. Atk60Sp. Def80Speed110Total625 |
| Leaespeon Lv 29 GrassPsychic | Ability Harvest Held item Sitrus Berry | Psybeam Magical Leaf Swift Grass Whistle | HP130Attack95Defense110Sp. Atk150Sp. Def80Speed60Total625 | |
| Flaleafeon Lv 30 FireGrass | Ability Flower Gift Held item Lum Berry | Fire Lash Horn Leech Flame Charge Sunny Day | HP95Attack150Defense80Sp. Atk130Sp. Def60Speed110Total625 |
How to beat this team
Shared weaknesses. Flying hits 3 of 3, Poison hits 3 of 3, Bug hits 2 of 3, Fire hits 2 of 3.
Level to be ready for. Lv 30 — Flaleafeon, the highest on the team.
Flying Pokémon you can have caught by this point. From this guide’s own encounter tables, by Beat Erika — Celadon Gym, badge 4: