Here is the full list of all 50 Deaths Hangover achievements.
Defeat the Church boss!
Free this soul in the Church!
Free this soul in the catacombs!
Defeat the Armoury boss!
Free this soul in the Armoury!
Defeat the Boiler boss!
Free this soul at the Furnace!
Defeat the S**tway boss!
Free this soul in the s**tway!
Free this soul in the dungeon!
Defeat the Chambers boss!
Defeat the Gallery boss!
Free this soul at the Gallery!
Defeat the Arena boss!
Free this soul at the Arena!
Defeat the Halls boss!
Free this soul in the Halls!
Defeat the Aquaduct boss!
Free this soul in the Aquaduct!
Defeat the Monestary boss!
Free this soul in the Monestary!
Defeat the Catacombs boss!
Defeat the dungeon boss!