| Species | Encounter Type | Level Range | Probability | |
|---|---|---|---|---|
 |
Onix | Cave | 40 - 45 | 20% |
 |
Geodude-Kanto | Cave | 37 - 45 | 15% |
 |
Graveler-Kanto | Cave | 40 - 45 | 12% |
 |
Sandslash-Kanto | Cave | 38 - 41 | 10% |
 |
Orthworm | Cave | 39 - 50 | 5% |
 |
Diglett-Kanto | Cave | 37 - 40 | 10% |
 |
Arbok | Cave | 39 - 50 | 10% |
 |
Dugtrio-Kanto | Cave | 40 - 50 | 5% |
 |
Hippopotas | Cave | 40 - 45 | 5% |
 |
Durant | Cave | 45 - 55 | 4% |
|
Durant | Cave | 48 - 60 | 2% |
 |
Hippowdon | Cave | 40 - 50 | 2% |