| Blueprint | Location / Unlock Condition | Requirements | 
|---|---|---|
| Demi-cannon I | Sainte-Anne | Blueprint Cost: 120 Silver Infamy: – Materials:  Acacia Plank x1   Cogwheel x4   Fine Jute x1   Silver x70 | 
| Demi-cannon II | Lanitra | Blueprint Cost: 360 Silver Infamy: Rover I Materials:  Cogwheel x2   Fine Jute x8   Iroko Plank x4   Silver x200 | 
| Demi-cannon III | Poacher’s Cache Outpost | Blueprint Cost: 910 Silver Infamy: Buccaneer I Materials:  Fine Linen x4   Mopane Plank x4   Casting Sand x2   Lime x2   Silver x500 | 
| Demi-cannon IV | Ruined Lighthouse | Blueprint Cost: 2540 Silver Infamy: Marauder I Materials:  Juniper Plank x4   Zinc Ingot x2   Fine Abaka x6   Shellac x2   Screw Mechanism x2   Silver x1390 |