About
A  Cementation Furnace is an Ignitable Structure used to refine  Blistersteel Bars. A Cementation Furnace has room for 2x  Blister Coffins and only accepts  Charcoal as Fuel. 30 Charcoal completely fills the fuel bar of a Cementation Furnace and will burn for 60 hours.
How to Make Blistersteel Bars
- Craft up to 2x Blister Coffins.
- Place your Blister Coffin inside a lit Cementation Furnace.
- A Cementation Furnace must be tended and kept lit for 7x days. It is recommended you check at least once each day. Running out Fuel will not ruin your firing but will add to the time it takes. Total time LIT must add up to 168 hours.
- After 168 hours the Progress Bar will become filled and your Blister Coffin will become a
 Fired Blister Coffin.
- Click on your Fired Blister Coffin to automatically
 Lift it. You MUST remove your Blister Coffin within 4x hours of it finishing otherwise your firing will be unsuccessful.
- Set your Fired Blister Coffin on the ground.
- Once your Fired Blister Coffin has cooled it will change from red to blue. Cooling may take longer than 24 hours during an
 Everbloom, although Fired Blister Coffins will cool significantly faster during a  Coldsnap
- When your Fired Blister Coffin has cooled right-click on it and select "Collect Bars" to collect 4x Blistersteel Bar if you were successful or 4x
 Dross is your were unsuccessful.
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| Unfired Blister Coffins.
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Fired Blister Coffins on the ground.
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Cooled Blister Coffins.
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Building Structures
Selecting a structure from the build menu or its sub-menus will place a Building Blueprint Sign at the position of the cursor and then clicking a valid building location on the ground will place the sign and open a window prompting the player to deposit the necessary materials and build the structure.
Each material is followed by a series of three numbers.
- The first indicates how many of that resource are needed but have not been deposited.
- The second number indicates how many of that resource have been deposited but have not been built into the structure.
- The third number indicates how many of that resource have been built into the structure.
Players can take their time building structures by depositing and committing resources to the build sign by clicking the "build" button. The character will build as much of the structure as they can with the available resources. They can return with more resources in the future.
Note that if no resources are deposited, the build sign will disappear when the player walks away. If resources are deposited, but the player hasn't built them into the structure, the uncommitted resources will slowly disappear over time. This is to combat players using build signs as cheap and overpowered storage containers they can deposit and retrieve resources from.
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