Anthracite tunnel
| Site: | Ashen Quarries |
| Landform: |  Cavern |
| Difficulty: | 20 |
| Risk Level: | |
| Skills: | Cave - 5 Extracting - 10 |
Task groups
Charcoal extraction
| Ratio | Task | Result | Difficulty | Duration | Components |
| 100% |  Extract anthracite | | 22 | 00:30:00 | |
| 40% |  Extract coke | | 26 | 00:45:00 |