| Level | Cost | Build time | Integrity | Repair per point | Requirements |
|---|---|---|---|---|---|
| Robber Baron's Fortress I | Not recorded | Instant | 140 | 40 | Profession rank 1 |
| Robber Baron's Fortress II | 12,000 | 51h | 180 | 80 | Building level 1, Profession rank 3 |
| Robber Baron's Fortress III | 25,000 | 51h | 220 | 120 | Building level 2, Profession rank 5 |
Check your repair quote
Use the current integrity and rate displayed in your save. This is a linear estimate for the values you enter; if the game quotes a different final charge, use its quote.
Enter all three values; target integrity must not be lower than current integrity.
Use this record for a decision
Robber Baron's Fortress belongs to Service. Choose the improvement that changes the actual constraint; an extra sales slot does not substitute for ingredient storage. Compare its prerequisites with your current profession or civic role and use the live construction or repair quote.
Related patch context
Burglary frequency after 0.4.5 ↗
Burglary rates were rebalanced. The notes do not provide a universal safe threshold or guarantee that a security improvement prevents every burglary.
Connected records
Reinforced Defenses ↗
Building improvement · Available in: Alchemist's Lab, Smithy, House, Joiner's Workshop, Inn, Perfumery, Church, Robber Baron's Fortress, Masonry, Tailor's Workshop, Villa · Documented effects: +6 Security; +4 Security; +3 Security; +8 Security; +7 Security
improvements · currentCheaper Repairs ↗
Building improvement · Available in: Alchemist's Lab, Smithy, House, Joiner's Workshop, Inn, Perfumery, Church, Prison, Robber Baron's Fortress, Masonry, Tailor's Workshop, Villa · Documented effects: Lowers repair costs by 10%; Lowers repair costs by 20%; Lowers repair costs by 10
improvements · currentSturdiness ↗
Building improvement · Available in: Alchemist's Lab, Smithy, House, Joiner's Workshop, Inn, Perfumery, Church, Robber Baron's Fortress, Masonry, Tailor's Workshop, Villa · Documented effects: +20% Maximum integrity