What is Withered Bone Used for in Valheim?
Withered bone is used to summon Bonemass, the third boss in Valheim. You'll need 10 of them to activate his altar in the Swamp biome. Good luck, brave Viking!
Play Games.Earn points.Get gift cards!

Playback Rewards
(13.7k)
500k players and counting...
More Answers
They're used to summon Bonemass in the Swamp biome. Stock up on health potions and gear up!
Just summon Bonemass with 'em. That's it.
I spent countless hours gathering withered bones for summoning Bonemass! He鈥檚 a tough one, but totally worth it for the loot and progression.
馃憖 If you like Valheim...
The brands referenced on this page are not sponsors of the rewards or otherwise affiliated with this company. The logos and other identifying marks attached are trademarks of and owned by each represented company and/or its affiliates. Please visit each company's website for additional terms and conditions.
People also want to know
Add an Answer