| Blueprint | Location / Unlock Condition | Requirements | 
|---|---|---|
| Ballista Grinder I | The Necropolis |  Blueprint Cost: 4120 Silver Infamy: Corsair I Materials:  Fine Ramie x8  
 Juniper Plank x6  
 Zinc Ingot x6  
 Fine Abaka x6  
 Screw Mechanism x4  
 | 
Item: Ballista Grinder I Blueprint
Location/Unlock Condition: The Necropolis (Specific details on how to unlock the Necropolis might be unavailable)
Requirements:
Function (Speculative):
The exact purpose of the Ballista Grinder I is not entirely clear, but based on its name and materials, it likely enhances ballista functionality in some way. Here are two potential interpretations:
1. Ballista Ammunition Enhancement:
2. Ballista Mechanism Improvement:
Note: Without more information, it’s impossible to definitively determine the exact function of the Ballista Grinder I. This summary provides the available information and potential interpretations based on the provided details.