Cost of the 1st level:
CRP 2 The forge is the development center of the Tosses. Experiments are conducted here that help to devise new weapon systems. The forge boosts the defense construction and discipline development with every level.
Comparison by level
| Lvl | Acceleration of construction | Acceleration of knowledge |
| 1 | x1.1 | x1.15 |
| 2 | x1.4 | x1.3 |
| 3 | x1.9 | x1.45 |
| 4 | x2.6 | x1.6 |
| 5 | x3.5 | x1.75 |
| 6 | x4.6 | x1.9 |
| 7 | x5.9 | x2.05 |
| 8 | x7.4 | x2.2 |
| 9 | x9.1 | x2.35 |
| 10 | x11 | x2.5 |