Here is the full list of all 17 Savage Vessels achievements.
Died for the first time.
Died 9 times.
Died 99 times.
Survived level 1.
Survived level 2.
Survived level 3.
Survived level 4.
Survived level 5.
Survived level 6.
Survived level 7.
Survived level 8.
Survived level 9.
Survived the game.
Killed boss on level 3.
Killed all bosses on level 6.
Killed boss on level 9.
Killed all bosses on level 10.