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Valheim DB
Valheim DB

Bonemass

Boss 3 of 8Health 5000SwampSummon 10 × Withered BonePower Bonemass

Summoning

Offer 10 × Withered Bone at Bonemass's altar.

Forsaken power: Bonemass

Defeating it sets the world key defeated_bonemass. See progression.

Resistances and weaknesses

  • BluntWeak (×1.5)
  • SlashResistant (×0.5)
  • PierceVery resistant (×0.25)
  • FireVery resistant (×0.25)
  • FrostWeak (×1.5)
  • LightningNormal
  • PoisonImmune
  • SpiritNormal

Gear for this fight

Bonemass is weak to blunt. Blunt damage you can have by then: Iron Sledge, Iron Mace, Bronze Mace, Stagbreaker.

Avoid relying on slash, pierce, fire, poison: slash is resistant (×0.5), pierce is very resistant (×0.25), fire is very resistant (×0.25), poison is immune.

Best armour from the Swamp or earlier: Iron Helmet, Iron Scale Mail, Iron Greaves.

Based on each item's damage, armour and the earliest biome its materials come from.

Drops

Where to find

Biomes: Swamp