Détail complet de la technologie Defense, du niveau 1 au niveau 6.
| Niveau | Or | Industrie | Énergie | Tech | Effet |
|---|---|---|---|---|---|
| L1 | 1200 | 0 | 0 | 0 | \nFrigate\n\nShip of the Line\n\nIronclad\n\n |
| L2 | 3600 | 0 | 0 | 0 | \nFrigate\n\nShip of the Line\n\nIronclad\n\n |
| L3 | 12000 | 0 | 0 | 0 | \nFrigate\n\nShip of the Line\n\nIronclad\n\n |
| L4 | 18000 | 0 | 0 | 0 | \nFrigate\n\nShip of the Line\n\nIronclad\n\n |
| L5 | 24000 | 0 | 0 | 0 | \nFrigate\n\nShip of the Line\n\nIronclad\n\n |
| L6 | 48000 | 0 | 0 | 0 | \nFrigate\n\nShip of the Line\n\nIronclad\n\n |