Subway Shafts. 7 species live here; the commonest is Ekans, at 18.6% of encounters.
What is in the grass
Encounters are weighted by catch rate and by how strong a species is next to the rest of the route, commonest first. The catch odds are the game’s own — worked out with the same code that runs when a ball is actually thrown, against a full-health Pokémon at Lv.47.
| Pokémon | Type | Chance | Levels | Catch rate | Poké Ball | Great Ball | Ultra Ball | HP |
|---|---|---|---|---|---|---|---|---|
| poison | 18.6% | 45–48 | 255 | 43.9% | 59.5% | 73.8% | 96 | |
| dark | 18.5% | 45–48 | 255 | 43.9% | 59.5% | 73.8% | 101 | |
| steel | 18.5% | 45–48 | 255 | 43.9% | 59.5% | 73.8% | 111 | |
| dark steel | 16.5% | 45–48 | 180 | 33.8% | 45.8% | 56.8% | 106 | |
| dark fighting | 15.8% | 45–48 | 255 | 43.9% | 59.5% | 73.8% | 111 | |
| electric | 8.3% | 45–48 | 255 | 43.9% | 59.5% | 73.8% | 109 | |
| dark | 3.8% | 45–48 | 45 | 11.9% | 16.2% | 20.1% | 125 |