Reinforce your empire with steel!
Level | Cost |
---|---|
1 | $16,000,000 |
2 | $20,000,000 |
3 | $24,000,000 |
4 | $32,000,000 |
5 | $40,000,000 |
6 | $51,200,000 |
7 | $64,000,000 |
8 | $80,000,000 |
9 | $104,000,000 |
10 | $120,000,000 |
- Cost can be decreased by buying Real Estate Agencies
Power: Reduce Damage from Bosses by 1%
Income: None
Maximum level: your Fortress level
Build Time: 24hrs per level
- Build Time can be reduced by buying Construction Companies