Underground City — Pokémon Tourmaline
Every wild Pokémon here, by encounter method.
Underground City lists 4 Pokémon across 5 encounter methods (old rod, good rod, super rod, surf, and more). Between them they cover 2 types: PoisonDragon. 2 of them are on no other route's wild tables in this guide: Dreepy (Isshoan), Melmetal.
Old Rod
| Pokémon | Types | Rate | |
|---|---|---|---|
 | Grimer | 100% |
Good Rod
| Pokémon | Types | Rate | |
|---|---|---|---|
| Grimer | 100% |
Super Rod
| Pokémon | Types | Rate | |
|---|---|---|---|
| Grimer | 95% | |
| Dreepy (Isshoan) rare | PoisonDragon | 5% | |
 | Muk rare | 5% |
Surf
Totem battle
There are 3 of them.
| Pokémon | Types | |
|---|---|---|
 | Melmetal |
TMs found here
- TM41 Torment — Underground City
- TM64 Explosion — Underground City