20highest level
Optional — you can finish the game without this fight.
Ruin Maniac Foster fields 2 Pokémon between level 19 and level 20 in Route 105.
Fought at Route 105.
This is around Beat Sam — Petalburg City Gym, badge 1 in the story — that page lists everything you can have caught by this point.
| Pokémon | Ability & item | Moves | |
|---|---|---|---|
 | Hippopotas Lv 19 | Ability Sand Stream Held item Smooth Rock Hardy nature · IVs 12 across the board | Bite Yawn Sand Tomb Dig |
 | Cacnea Lv 20 | Ability Sand Veil Hardy nature · IVs 12 across the board | Leech Seed Sand Attack Bullet Seed Power Trip |
Base stats are not published for this guide.