Worldstone Keep Level 1 is an underground area in Act 5. It is accessed through Arreat Summit.
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 |
| Unique Packs | 0-0 | 2-3 | 6-8 |