After obtaining new knowledge and materials, your engineers will be able to start crafting Ballistae. Conduct this Study to add Ballistae to your army's arsenal.
| Level | Food | Lumber | Iron | Stone | Silver | Gold | Time | Requirements | Unlock Ballistae | Power | Hero's Experience |
| 1 | 37.5K | 37.5K | 28.5K | 37.5K | 90K | 7.25K | 2d 12h 00m 00s | ✓ | 4.5K | 100K |
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