The Worldstone Keep Level 1 is an underground area in Act 5. It is accessed through Arreat Summit.
| Requirement | Rite of Passage Complete |
| Waypoint | no |
| Act | 5 |
| Dungeons |
The game will pick 3 monster types to spawn in the area. This area prefers ranged monsters when selecting the first monster type.
| normal | nightmare | hell | |
|---|---|---|---|
| monster level | 39 | 64 | 89 |
| monster density | 700 | 700 | 700 |
| uniques | 0-0 | 2-3 | 6-8 |