poly-table
| d4 | Situation |
|---|
| 1 | aboveground |
| 2-3 | part aboveground, part belowground |
| 4 | belowground |
| d6 | Entrance |
|---|
| 1 | Sealed |
| 2 | Concealed |
| 3 | Unapproachable |
| 4 | Buried |
| 5 | Blocked |
| 6 | Clear |
| d12 | Cause of Ruin |
|---|
| 1 | Abandonment / Neglect |
| 2 | War / Invasion |
| 3 | Plague / Famine |
| 4 | Secrecy / Isolation |
| 5 | Collapse |
| 6 | Infestation |
| 7 | Uprising / Rebellion |
| 8 | Flooding / Fire |
| 9 | Curse |
| 10 | Depleted Resources |
| 11 | Monsters |
| 12 | Quarantine |
| d20 | Original Use |
|---|
| 1 | Defensive / Guarding |
| 2 | Ceremonial / Ritual |
| 3 | Residential |
| 4 | Prison / Containment |
| 5 | Experimentation / Laboratory |
| 6 | Medical |
| 7 | Religious / Worship |
| 8 | Military |
| 9 | Learning / Observation |
| 10 | Storage / Vault |
| 11 | Mortuary / Burial |
| 12 | Arcane |
| 13 | Production |
| 14 | Mine / Quarry |
| 15 | Hideout / Den |
| 16 | Gathering / Diplomatic |
| 17 | Administrative / Supervise |
| 18 | Recreational |
| 19 | Transport |
| 20 | Indiscernible |