Here is the full list of all 13 Little Dungeon Stories achievements.
Defeat the Jazzek for the first time
The doll is in the place
Some help from God
You repaired your own weapons
You made your own potions
Defeat Ungagh for the first time
Defeat the Scourger for the first time
Win a Fortune Teller game
An improved magic sip
A free win
Defeat Mother Werewolf for the first time
Defeat the great Toxin Gall
You have defeated the Dungeon!