17level cap
Leaf Mt. Moon (Charmeleon line) fields 4 Pokémon between level 16 and level 17 in Mt. Moon.
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: FireFlyingNormalPoisonPsychic
| Pokémon | Ability & item | Moves | Base stats | |
|---|---|---|---|---|
 | Butterfree Lv 16 PsychicFlying | Ability Shield Dust Held item TwistedSpoon Impish nature | Stun Spore Poison Powder Confusion Swift | HP70Attack80Defense65Sp. Atk90Sp. Def80Speed85Total470 |
 | Clefairy Lv 16 Normal | Ability Cute Charm Held item Silk Scarf Bashful nature | Mega Punch Encore Sing Mega Kick | HP70Attack45Defense48Sp. Atk60Sp. Def65Speed35Total323 |
 | Nidoran-F Lv 16 Poison | Ability Poison Point Held item Poison Barb Lax nature | Poison Fang Double Kick Thief Charm | HP55Attack47Defense52Sp. Atk40Sp. Def40Speed41Total275 |
 | Charmeleon Lv 17 Fire | Ability Blaze Held item Charcoal Mild nature | Flame Wheel Mega Punch Metal Claw Dig | HP58Attack64Defense58Sp. Atk80Sp. Def65Speed80Total405 |
How to beat this team
Shared weaknesses. Ground hits 2 of 4, Rock hits 2 of 4, Dark hits 1 of 4, Electric hits 1 of 4.
Level to be ready for. Lv 17 — Charmeleon, the highest on the team.
Ground Pokémon you can have caught by this point. From this guide’s own encounter tables, by Boulder Badge — Mt. Moon and Cerulean City: