40level cap
This fight happens in if your rival's starter is Chikorita (you picked its counter) only.
Fought at Goldenrod City.
This is around Beat Leader Bugsy — Azalea Town Gym, badge 2 in the story — that page lists everything you can have caught by this point.
Types on this team: DarkFireFlyingGrassGroundPoisonRockWater
| Pokémon | Moves | |
|---|---|---|
 | Pupitar Lv 39 · Shed Skin | Thrash Rock Slide Screech Bite |
 | Houndoom Lv 39 · Early Bird | Flamethrower Iron Tail Bite Nasty Plot |
 | Octillery Lv 38 · Suction Cups | Octazooka Psybeam Aurora Beam Signal Beam |
 | Golbat Lv 39 · Inner Focus | Poison Fang Double Team Confuse Ray Air Cutter |
 | Meganium Lv 40 · Overgrow | Synthesis Magical Leaf Sunny Day Body Slam |