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Valheim Boss Guide: How to summon and defeat Bonemass

Valheim: Complete Guide
Valheim Boss Guide: How to summon and defeat Bonemass
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After defeating The Elder and entering the Swamp Biome, it's time to face the next boss in Valheim. In this guide, we walk you through how to summon and defeat the third boss, Bonemass

Valheim Boss Guide: How to summon and defeat Bonemass

There are five bosses you’ll need to defeat in Valheim. Each boss marks the end of a chapter in your journey through Valheim. In this guide we’ll walk you through how to summon and defeat the third boss, Bonemass.

After defeating The Elder and obtaining the Swamp Key, it's time to go explore the Sunken Crypts. You'll find Runestones scattered throughout, interact with them and you'll have Bonemass' location added to your map.

Valheim

Prepare for the Fight

Before you go looking for Bonemass, you should prepare yourself for the coming fight. You will need Poison Resistance Mead to mitigate the poison damage he and his minions deal. Make sure you have the best armor possible, as you will be swarmed by the minions a lot. The best weapon to use for a short fight is a Wooden Club — and the Frostner Hammer is the ideal weapon as it deals both Blunt and Frost damage. However, it can be difficult to craft this before your fight with Bonemass.

Eating at least three pieces of food to make sure your health and stamina are at the maximum is also highly recommended.

How to Summon Bonemass

Now that you’re prepared for the battle to come, it’s time to make your way to the Mystical Altar. Once you arrive at this location, you’ll need to place 10 x Withered Bones on the Altar — these can be obtained by checking the Muddy Scrap Piles or in the Sunken Crypts.

Valheim

The Fight against Bonemass

Bonemass won't be alone, he'll summon minions who will try distract and overpower you.

  • Close range: Bonemass takes a swipe at you which causes Blunt and Poison damage. This is a slow move and can be dodged easily
  • Ranged: Bonemass throws out a glob of gloop which will spawn up to four monsters. This isn't aimed directly at you
  • AoE: Bonemass will charge up with a thick green cloud before releasing a wave of poisonous ooze, poisoning everything in a wide range around him

Rewards for Defeating Bonemass

Bonemass will drop a trophy and the Wishbone, which is used to find secrets, such as hidden treasures and Silver veins.

Hanging the Eikthyr trophy grants you a Forsaken Power that will grant you resistance towards physical damage.

Valheim

Additional content by Robin "Raiden" Bouquet.

How to craft the Frostner Hammer

There are plenty of weapons to be unlocked and crafted in Valheim. Here's our guide on how to craft one of the best weapons — the Frostner Hammer

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Madeeha Parveen
Maddie

Editor, MGG EN. Glasgow poet, writer and other fashionable things. I spend so long polishing grammar I can see my face in it.

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