Bonemass is the third boss. He appears as a gigantic humanoid mass comprised of toxic ooze, mud and skeletal remains, likely absorbed from nearby tombs situated close to his altar.

Mar 15, 2021 · The Swamp boss, Bonemass, is one of the toughest customers in Valheim. Here's how to kill it and what it'll get you.

Feb 26, 2021 · Here's everything you need to know about how to summon and defeat Bonemass in Valheim. It's important to prepare for this fight by building a fermenter to brew your own …

Feb 22, 2021 · So, here's how to summon and defeat Bonemass in Valheim. Bonemass lurks in Valheim's Swamp—an unforgiving biome teeming with deadly enemies. You can find …

Feb 19, 2021 · Unlike Eikthyr and The Elder, Bonemass requires quite a bit of special preparation and knowledge, so in this Valheim Bonemass guide what kind of gear you’ll need to do it.

Jun 22, 2025 · Discover the complete guide to defeating Bonemass in Valheim. Learn how to summon, fight, and exploit his weaknesses with effective strategy.

Valheim 3rd Boss SOLO Swamp Location Guide: How to Summon & Kill Bonemass (Combat Gameplay)! From Rusty Nails to a Shiny Damascus Blade 🔥 Knife Forging Process

Bonemass has a large AOE attack that inflicts poison, which slowly saps away at your health. It also hits hard up-close and Bonemass will frequently toss Blobs into the arena, so make sure...

Aug 18, 2023 · This is a boss battle guide on how to summon and beat Bonemass, the third boss of Valheim. Read on to find out what you need to summon Bonemass, its attack patterns, and …

Oct 2, 2022 · Valheim Bonemass Boss Guide - In this Valheim guide, learn everything necessary from preparing, summoning, and defeating Bonemass!