Castelia Sewers
Pokemon Black 2 and White 2
| Pokemon | Levels | Method | Rarity |
|---|---|---|---|
 Grimer | 5-15 | Surfing | 200% |
| Grimer | 40-60 | Fishing in dark spots | 160% |
| Grimer | 15-17 | Walking in tall grass or a cave | 20% |
| Grimer | 5-20 | Surfing in dark spots | 190% |
| Grimer | 40-70 | Fishing with a Super Rod | 200% |
 Muk | 50-70 | Fishing in dark spots | 40% |
| Muk | 5-20 | Surfing in dark spots | 10% |
 Rattata | 14-17 | Walking in tall grass or a cave | 90% |
 Zubat | 14-17 | Walking in tall grass or a cave | 90% |