From Guild Wars 2 Wiki
Open to choose a pair of Corsair leggings.
— In-game description
|"All or Nothing" Mastery||All or Nothing||21|
| Complete all 30 All or Nothing achievements.
||Completed 1 Achievements||1|
|Completed 5 Achievements||2|
|Completed 10 Achievements||3|
|Completed 20 Achievements||5|
|Completed 30 Achievements||10|
- Unlocking a skin for one armor class unlocks it for the others, although all skins are different.