Here is the full list of all 14 Evil's Den: Forsaken Dungeon achievements.
Kill finall boss in calstle
Kill finall boss in cave
Kill finall boss in ruined lava reave
Kill every boss in game
Transport items to the village
Craft first item
Talk the priest when finish run
Die the first time
Learn a spell from a book
Upgrade the spell
Enter to evils den
Enter to village
Use the attribute crystal at the trainer
Open chests with loot of every rarity