Below are some numbers on farming NPC 4 with Ballistae. The number of transporters will depend on your level of logistics technology and can range from 411 for level 1 to 266 for level 10 logistics.
| Ballista | Archery | HBR | MT | Hero ATT | Losses |
| 250 | 7 | 2 | 2 | 58 | 18 |
| 290 | 7 | 5 | 6 | 84 | 0 |
| 300 | 7 | 2 | 2 | 73 | 24 |
| 350 | 7 | 2 | 3 | 77 | 0 |
| 95 | 8 | 7 | 8 | 98 | 0 |
| 122 | 8 | 6 | 8 | 94 | 0 |
| 130 | 8 | 7 | 7 | 95 | 0 |
| 146 | 8 | 6 | 7 | 97 | 0 |
| 150 | 8 | 6 | 7 | 80 | 0 |
| 180 | 8 | 6 | 7 | 78 | 0 |
| 200 | 8 | 7 | 8 | 102 | 0 |
| 200 | 8 | 8 | 7 | 88 | 0 |
| 200 | 8 | 6 | 9 | 24 | 0 |
| 200 | 8 | 6 | 6 | 71 | 0 |
| 333 | 8 | 3 | 2 | 76 | 0 |
| 105 | 9 | 9 | 9 | 112 | 0 |
| 105 | 9 | 8 | 9 | 105 | 0 |
| 110 | 9 | 8 | 9 | 103 | 0 |
| 150 | 9 | 6 | 8 | 68 | 0 |
| 160 | 9 | 6 | 9 | 39 | 0 |
| 170 | 9 | 9 | 9 | 83 | 0 |
| 180 | 9 | 8 | 9 | 76 | 0 |
| 200 | 9 | 8 | 9 | 74 | 0 |
| 235 | 9 | 9 | 9 | 21 | 0 |
| 250 | 9 | 8 | 9 | 69 | 0 |
HBR = Horseback Riding, MT = Military Tradition
