Forge

The Forge increases the speed of tools productions at the "Siege workshop" and the "Defense workshop".

Cost for Forge
Level Rubies cost Speed Increase
18,500 +4%
28,800 +8%
39,100 +12%
49,400 +16%
59,700 +20%
610,000 +24%
710,300 +28%
810,600 +32%
910,900 +36%
1011,200 +40%
1111,500 +44%
1211,800 +48%
1312,100 +52%
1412,400 +56%
1512,700 +60%
1613,000 +64%
1713,300 +68%
1813,600 +72%
1913,900 +76%
2014,200 +80%
Total227,000