| Preferred target | Attack type | Housing space | Movement speed | Delay between attacks | Forge level required |
|---|---|---|---|---|---|
| Any | Ground and air | 1 | 24 | 1 sec | 2 |
| Level | Damage per sec | Hitpoints | Cost (Food) | Research cost (Food) | Research time | University level required |
|---|---|---|---|---|---|---|
| 1 | 7 | 20 | 50 | |||
| 2 | 9 | 23 | 80 | 50 000 | 12 hours | 1 |
| 3 | 12 | 28 | 120 | 250 000 | 2 days | 3 |
| 4 | 16 | 33 | 160 | 750 000 | 3 days | 5 |
| 5 | 20 | 40 | 200 | 2 250 000 | 5 days | 6 |
| 6 | 22 | 44 | 300 | 750 000 | 14 days | 7 |