The Foundry is needed to smelt Metals which are needed for several things in the game. Canceling production will give you back all ingredients.
Clearing Underground Camp Grid
Buying Camp Equipment and other things from the shop.
Sell for Experience via Caravans with a Caravan ticket or Pillar decorations (only pc-version)
You will need to purchase Anvil slots for your Metallurgist to forge. There are 6 slots available to purchase and you only have to buy them the one time. The foundry first unlocks after the Isis mine: Old Foundry
Anvils
Cost
Region
Level
Anvil 1
Free
Old Foundry
Anvil 2
1500
24
Anvil 3
3000
48
Anvil 4
5000
72
Anvil 5
10,000
96
Anvil 6
30,000
120
Item
Name
Region
lvl
Qty
Time
Ingredients
XP Gain per hour
DPW XP Gain/Hour
Pillar Value Increase
Pillar Uplift %
Iron
1
3
1:00
6 iron ore 5 wood 3 coal
2,835
7,185
1,515 -> 4,350
187%
Bronze
1
5
1:00
5 tin 5 copper 1 coal
3,875
8,875
1,125 -> 5,000
344%
Dragon Ingot
80
1
0:30
5 scrap metal 15 tin 25 coal
3,750
36,750
14,625 -> 16,500
13%
Orichalcum
110
1
0:30
5 volcanic ore 5 coal 20 wood
13,050
63,050
18,475 -> 25,000
35%
Adamantine Steel
170
2
2:00
6 adamantine ore 3 orichalcum
2,050
57,050
105,900 -> 110,000
4%
Amazonium
245
1
2:00
5 silver 3 adamantine steel 10 copper
27,200
152,200
195,600 -> 250,000
28%
Electrum
250
1
1:00
4 silver 5 iron 10,000 coins
28,750
98,750
41,250 -> 70,000
70%
Superchromium
250
1
2:00
3 electrum 7 chromite ore 20 coal
N/A
N/A
N/A
N/A
Superpalladium
260
1
2:00
25 palladium ore 15 chromite ore 7 iron
N/A
N/A
N/A
N/A
Titanium
270
1
2:00
25 titanium ore 15 paladium ore 7 iron
N/A
N/A
N/A
N/A
Jadeite Key*
90
1
24:00
1 jadeite 200 scrap metal
N/A
N/A
N/A
N/A
Obsidian Key*
90
1
24:00
3 obsidian 15 silver 50 coal
N/A
N/A
N/A
N/A
Production of keys will NOT be doubled during a Double Production week (DPW) but WILL produce faster during Faster Production week (FPW)