Bonemass Location ID
About
Bonemass is Bonemass's Forsaken Altar in the Swamp. Ten Withered bones looted from Sunken Crypts are placed on the central stone to summon Valheim's third boss.
Overview
Bonemass is a Valheim world location that spawns in the swamp biome, identified internally as Bonemass.
World generation places up to 5 per world, with terrain constraints (altitude 0–2 m; terrain delta 0–4 m), and an exclusion radius of 19.790001m, which is why some seeds have far more of them than others.
The data tags it as prioritized.
| Location ID | Bonemass |
| Biome | Swamp |
| Category | Prioritized |
| Max Per World | 5 |
| Min Distance | 3000 m |
| Terrain | Altitude 0–2 m; terrain delta 0–4 m |
| Size | 19.790001 |
Creatures in the Swamp
Creatures you may encounter near Bonemass, based on the biome it spawns in.
Other Locations in These Biomes
More details
- Enabled for placement
- Yes
- Resolved location-content sources
- 0
- Eligible room prefabs
- 0
Location biomes
Loot and spawner source data
Where this location can appear
World-generation limits describe eligible sites, not guaranteed locations in every seed.
- Altitude above sea level
- 0–2 m
- Minimum distance from world center
- 2,000 m
- Maximum distance from world center
- 10,000 m
- Minimum spacing from similar locations
- 3,000 m
Game data source
The full settings include internal fields and inactive defaults. The sections above explain the values relevant to gameplay.
Download full game settings (JSON)