| Term |
Age |
History |
|---|
| 1 |
18 |
Became a Scholar (Scientist). |
| 1 |
19 |
Advanced training in a specialist field. |
| 2 |
22 |
Voluntarily left Scientist |
| 2 |
22 |
Failed to qualify for Merchant Academy. |
| 2 |
22 |
Became a Drifter (Barbarian). |
| 2 |
25 |
Prudence Staff do not know what happened to Prudence Staff. There is a gap in Prudence Staff's memory. |
| 3 |
25 |
Became a Navy (Engineer/Gunner) with the new title Crewman. |
| 3 |
28 |
Display heroism in battle, saving the whole ship. |
| 3 |
29 |
Commissioned in Navy (Engineer/Gunner) with the new title Ensign. |
| 3 |
29 |
Promoted to Navy (Engineer/Gunner) officer rank 2 with the new title Sublieutenant. |