Technology
Branch
Column
Red points
Green points
Blue points
Total points
Unlocks
Reputation
In the tree
Metallurgy tech tree
Column 12
Research cost
Red points
× 120Blue points
× 15
Reputation gate
Jack
Needs 70 reputation
The gate opens once the technology before it is researched and the reputation with this character reaches the value shown. It costs no tech points.
What it unlocks
Steel Detail
Steel Anvil
Steel Screws
Steel Anvil
Steel Anvil
Building
Lantern II
Building
Research first
Iron Products
90 red and 10 blue tech points
Leads to
Reinforced Barricades
150 red and 75 green tech points
Steel Instruments I
150 red and 20 blue tech points
Steel Instruments II
150 red and 20 blue tech points
Steel Casting
150 red and 20 blue tech points