Crucible
ToolsBase game
A crucible upgrade is required to craft forged steel, steel arrowheads, and bulletproof glass in a forge.
Internal name: toolForgeCrucible
- Base trader price: 5,000
Crafting
Crafted at: 
Workbench · 300 s
100×Forged Iron
20×Mechanical Parts
1200×Small Stone
20×Oil
900×Clay Soil
Unlocked by: Workstations (crafting skill, level 75)