20highest level
Fought at Route 43.
This is around Beat Whitney — Goldenrod City Gym, badge 3 in the story — that page lists everything you can have caught by this point.
Types on this team: GroundPoison
| Pokémon | Moves | |
|---|---|---|
 | Nidoking Lv 20 · Rivalry | Peck Focus Energy Double Kick Poison Sting |