Petrified Tissue: How to Mine and Smelt It

Petrified Tissue is a material tied to Deep North progression. You obtain it from petrified Gammeltroll remains broken with Ember Charges, and its main role is smelting Bloodgold. Use this page alongside the Deep North guide and the item catalog.

Quick facts

How to obtain

Community-verified; Iron Gate's notes do not publish this complete recipe or progression chain.

1. Craft an Ember Charge from the Fader-to-Deep-North supply chain.
2. Find petrified Gammeltroll remains in the Deep North.
3. Use the charge to break the remains, collect tissue, and smelt it into Bloodgold.

What it's used for

Community-verified; Iron Gate's notes do not publish every recipe detail.

• Smelt it in a Blast Furnace to make Bloodgold.
• Use that metal for an Intricate Key cast and later equipment.
• Carry enough charges for the deposit rather than making repeated return trips.

Common mistakes

• Treating the remains as an ordinary pickaxe deposit.
• Leaving the Blast Furnace supply chain until after collecting a key mould.

Frequently asked questions

How do you get Petrified Tissue in Valheim?

Follow the crafting or progression chain above. The key prerequisites are linked in each step, ending with petrified Gammeltroll remains broken with Ember Charges.

What is Petrified Tissue used for?

Its main verified role is smelting Bloodgold. The linked outputs above show where it sits in the Deep North progression chain.

Is Petrified Tissue required for Kall Fimbulbringer?

Yes, it is part of the route that eventually opens the Aesir Passage and reaches Kall.

Sources

Sources: Official Valheim 1.0 notes, Deep North progression — Valheim.tools, Community guide, Community guide.