BonemawSerpent2 starsspawn BonemawSerpent 1 3Drops
| Item | 0★ | 1★ | 2★ | Chance |
|---|---|---|---|---|
| Bonemaw Trophy | 1 | 1 | 1 | 33% |
 Bonemaw Meat | 6–7 | 12–14 | 24–28 | 100% |
 Bonemaw Tooth | 8–9 | 16–18 | 32–36 | 100% |
From CharacterDrop in the files. Stars multiply chance and amount of the drops marked for it by 2 per star. Amounts are what the game can roll (it never rolls the upper number written in the files). Chances of 30% or less use a pseudo-random counter, so long dry streaks can't happen.
Attacks
| Attack | Damage | 2★ total | Every |
|---|---|---|---|
| Spitranged | 40 Blunt20 Fire20 Poison | 160 | 20 s |
| Tauntmelee | 40 Slash5 Poison | 90 | 120 s |
| Bitemelee | 140 Slash | 280 | 10 s |
Each star adds 50% damage (Attack.GetLevelDamageFactor). Check what your shield can hold in the block calculator.
Where Bonemaw spawns
| Biome | When | Needs | Group | Max | Stars |
|---|---|---|---|---|---|
| Ashlands | day and night | — | 1 | 1 | 0 |
Bonemaw in other languages
SwedishBensjöodjur
UkrainianКісткозмій
Portuguese BrazilianMandibulóssea
NorwegianBeinhogg
HungarianCsontbendő
FrenchGueule-d'os
ItalianFaucosso
GermanKnochenschlund
SpanishFaucesoseas
RussianКостепасть
RomanianFălcos
BulgarianКостолом
FinnishLuukita
IcelandicHryggormur
TurkishKemikçene
LithuanianKaulanasris
CzechKostichřtán
PolishGnatogniot
Chinese骨骺蛟龙
Chinese Trad骨淵
Japaneseボーンモー
Korean뼈주둥이
From the game's own localization files (23 languages).
Source: prefab BonemawSerpent (Character, CharacterDrop, spawn lists) in Valheim 1.0.16 (2026-09-24).