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Construction Amulet
Construction Amulet.png
"Craft with a discount!"
Thulecite.png × 2Nightmare Fuel.png × 3Green Gem.png × 1
Icon Ancient.png
Broken Pseudoscience Station.png
5 uses
Halves crafting requirements
Raises Sanity over time
Ancient Pseudoscience Station.png (Hammer.png)
Stacks up to
Does not stack
Wilson Portrait.png
Just when I thought I couldn't get any better.


Willow Portrait.png
I feel my mind open when I wear it.


Wolfgang Portrait.png
What is this thing?


Wendy Portrait.png
A flash of brilliance!


WX-78 Portrait.png


Wickerbottom Portrait.png
I don't know what that is.


Woodie Portrait.png
I've always been better at cuttin' anyways.


Waxwell Portrait.png
I swear I don't normally need this.


Wigfrid Portrait.png
Enhanced emerald crafting skills!


Webber Portrait.png
Time to build!


Walani Portrait.png
This necklace is a creative force. I'm feelin' it.


Warly Portrait.png
For more savvy construction!


Woodlegs Portrait.png
Wearin' this ol'amulet makes me feel so smart!


The Construction Amulet is a craftable item found in theAncient Tab. It requires 1 Green Gem, 3 Nightmare Fuel and 2 Thulecite, and at least a Broken Ancient Pseudoscience Station to craft. It also can randomly drop from an Ancient Pseudoscience Station when the latter is damaged with a Hammer, Gunpowder/Slurtle Slime etc. Like all items from the Ancient Tab, Construction Amulets cannot be prototyped and Characters always need to be near an Ancient Pseudoscience Station to craft them again.

While having it equipped in the chest slot, crafting items requires half the materials they would normally consume, rounded up. It degrades by 20% each time an item is crafted. It will also provide the player with a passive +2SanityMeter.png per minute.

Since Green Gems are not renewable only a limited number of Construction Amulets can be crafted.

Reign of Giants icon.png Reign of Giants

In the Reign of Giants DLC, players have a small chance of finding Green Gems inside Tumbleweeds, thus making Construction Amulets easier to obtain.

Prototype.png Tips

  • Since Green Gems are so rare, the best use for Construction Amulets is to craft items that require very rare or non-renewable materials (i.e. items from the Ancient Tab).
  • It is possible to use a Construction Amulet to craft 5 Thulecite Suits for 15 Thulecite, then use a Deconstruction Staff on those 5 Thulecite Suits to get 30 Thulecite back for a profit of 13 Thulecite (the Amulet cost 2 Thulecite). Doing this multiple times makes it possible to collect big amounts of otherwise rare Thulecite from a few Green Gems.
    • When not playing with the Reign of Giants DLC and using this method, it is advised to save the last use of the Amulet to craft a Deconstruction Staff for the next round instead for one less Green Gem, which is much rarer than Thulecite.

Placeholder.png Trivia

  • The Construction Amulet shares the same in-game model with the Life Giving Amulet but its gem is green instead of red.


  • When left with only 20% durability remaining (its last use), the Amulet's effect will only partially work. The amulet will properly allow the player to completely build something with only the first half of its normal material cost. However, it will erroneously fail to prevent the second half of the cost from being consumed, if the player has the materials.

Blueprint.png Gallery