| d20 | Category | Description |
|---|---|---|
| 1-7 | Nothing | Uneventful but tense. Signs of raider activity. |
| 8-10 | Environmental | Raider traps, blocked roads, burning wreckage |
| 11-13 | Neutral | Nervous traders, refugees fleeing raiders, scavengers hiding |
| 14-19 | Hostile | Raider patrol, raider ambush, raider checkpoint |
| 20 | Discovery | Raider cache, captured prisoner, hidden raider hideout |