Technology
Branch
Column
Red points
Green points
Blue points
Total points
Unlocks
Reputation
In the tree
Metallurgy tech tree
Column 13
Research cost
Red points
× 150Blue points
× 20
What it unlocks
Engineering Details
Furnace II
Steel tools
Steel Anvil
Casting Table
Building
Research first
Steel Smithing
120 red and 15 blue tech points
Leads to
Smithy II
160 red and 20 blue tech points