20highest level
Firebreather Rush fields 4 Pokémon between level 17 and level 20 in Past Occident Forest.
Fought at Past Occident Forest.
This is around The sea routes, the Argent Depths and the S.S. Mako in the story — that page lists everything you can have caught by this point.
Types on this team: Flying ×2Normal ×2FirePsychic
| Pokémon | Ability & item | Moves | Base stats | |
|---|---|---|---|---|
 | Natu Lv 17 PsychicFlying | Heat Wave Confusion Teleport Night Shade | HP40Attack50Defense45Sp. Atk70Sp. Def45Speed70Total320 | |
 | Spearow Lv 18 NormalFlying | Heat Wave Wing Attack Mirror Move Leer | HP40Attack60Defense30Sp. Atk31Sp. Def31Speed70Total262 | |
 | Meowth Lv 18 Normal | Flame Wheel Fury Swipes Growl Screech | HP40Attack45Defense35Sp. Atk40Sp. Def40Speed90Total290 | |
 | Slugma Lv 20 Fire | Will-O-Wisp Smokescreen Body Press Fire Spin | HP40Attack40Defense40Sp. Atk70Sp. Def40Speed20Total250 |
How to beat this team
Shared weaknesses. Rock hits 3 of 4, Electric hits 2 of 4, Ice hits 2 of 4, Dark hits 1 of 4.
Level to be ready for. Lv 20 — Slugma, the highest on the team.
Rock Pokémon you can have caught by this point. From this guide’s own encounter tables, by The sea routes, the Argent Depths and the S.S. Mako: