Increases base Ship XP earned from combat.
What it costs to research each level, how long it takes, and the effect at that level.
| LEVEL | TIME | HARD CURRENCY | COST | EFFECT |
|---|---|---|---|---|
| Lv 1 | — | 0 | — | Combat Stratagem 0.25% |
| Lv 2 | — | 0 | — | Combat Stratagem 0.5% |
| Lv 3 | — | 0 | — | Combat Stratagem 1% |
| Lv 4 | — | 0 | — | Combat Stratagem 1.5% |
| Lv 5 | — | 0 | — | Combat Stratagem 2.5% |