Great Marsh is a surface area in Act 3. It is accessed through Spider Forest or through its waypoint.
The game will pick 3 monster types to spawn in the area.
| Normal | Nightmare | Hell | |
|---|---|---|---|
| Monster Level | 21 | 46 | 71 |
| Monster Density | 650 | 650 | 650 |
| Unique Packs | 1-2 | 4-6 | 10-15 |