Bonemass — stats and drops in Valheim
Bonemass · Swamp
Creature overview
Base health (0★): 5,000. Primary biome: Swamp. Weaknesses: Blunt, Frost. Immunity: Poison.
Drops: Bonemass Trophy, Wishbone.
Behavior
- Sight range
- 50 m
- Sight angle before alert
- ±80°
- Hearing limit
- 9,999 m
- Ally alert range
- 9,999 m
- Player hunting enabled
- Yes
- Avoids water
- Yes
- Attacks player structures
- Yes
These are AI settings. Sight depends on stealth and obstacles; hearing depends on target noise. Indoors, hearing is capped at 12 m. The sight angle applies before alert.
Stats by star level
| Stars | Health | Damage multiplier |
|---|---|---|
| 0★ | 5,000 | ×1 |
Attacks
- Poison: 130 · AI attack range 15 m
- Blunt: 80, Poison: 50 · AI attack range 8 m
Damage resistances
- Blunt
- Weak
- Slash
- Resistant
- Pierce
- Very resistant
- Fire
- Very resistant
- Frost
- Weak
- Lightning
- Normal damage
- Poison
- Immunity
- Spirit
- Normal damage
Drops without stars
| Item | Quantity | Base chance |
|---|---|---|
| Bonemass Trophy | 1 | 100% |
| Wishbone | 1 per player | 100% |
Where and when it spawns
Regular spawn locations are not yet known. The creature may appear in specific locations, dungeons, summons or events.
Valheim biomes
Trophies for ballista targeting
Values exclude world difficulty, player count and active effects. Special projectiles and summoned creatures may use separate values.
Source: Valheim game files, Steam build 25909357. Database updated 2026-10-20. Some gathering sources and spawn conditions may not have been identified.