Here is the full list of all 56 We Slay Monsters achievements.
Entered a dungeon with a Wizard for the first time.
Entered a dungeon with a Warrior for the first time.
Entered a dungeon as a Rogue for the first time.
Fail a dungeon with a Warrior
Failed a dungeon with a Wizard
Failed a dungeon with a Rogue 10 times
Complete 11 dungeons with the Rogue
Failed a dungeon with a Rogue
Complete 13 dungeons with the Wizard
Complete 12 dungeons with a Warrior
Upgrade the Shoppe
Upgrade the Bar
Upgrade the Barracks
Upgrade the Teachers Quarters
Completed the Wizard Tower
Completed the Shoppe
Completed the Teachers Quarters
Completed the Bar
Completed the Barracks
Played a five card combo
Played a six card combo
Played a seven card combo
Played an eight card combo
Kill 10 Monsters
Kill 100 Monsters
Kill 1000 Monsters
Killed yourself with a bomb
Completed a dungeon in your starting equipment
Revealed every tile in a dungeon
Slayed every monster in a dungeon
Complete dungeon with fully upgraded equipment
Avoid damage multiple times in a dungeon
Land many critical hits in a dungeon
Perform 5 4-card combos in a game
Perform 5 5-card combos is a game
Complete a dungeon without using any potions
Complete a dungeon after drinking a lot of potions
Complete a dungeon after playing only 2 card combos
Completed a dungeon without using multi card combos
Completed a dungeon after landing many critical hits
Coimpleted a dungeon without using any abilities
Completed a dungeon at level 9
Complete a dungeon on the third attempt
Completed a dungeon at level 8
Completed a dungeon at level 7 or below
Completed a dungeon that was failed three times or more
Raised 10,000 gold for the academy
Raised 100,000 gold for the academy
Welcome to the Two Comma Club
Complete Chapter 1
Complete Chapter 2
Complete Chapter 3
Complete Chapter 4
Complete Chapter 5
Upgrade the Wizard Tower
You beat the campaign and slayed a bunch of monsters!