
Enables you to produce Battleships. Battleships are expensive and very clumsy but they have good armor and capacity. Battleships are very good fighters in large-scale battles. (Damage increases by 15% when attacking Cruisers)
| Level | SP to level up |
|---|---|
| Level1 | 300 |
| Level2 | 3000 |
| Level3 | 18000 |
| Level4 | 45000 |
| Level5 | 90000 |
| Level6 | 180000 |
| Level7 | 360000 |
| Level8 | 720000 |
| Level9 | 1200000 |