Here is the full list of all 6 The Dark: Survival RPG achievements.
Discovered the dimension of souls.
There's more where they came from! 5 creatures defeated.
You're tough to hit! 5 successful dodges.
Useful creations! Crafted 5 items!
Hoarding or Harvesting? Harvested or collected 100 items!
Sorcery can instill great fear into foes! Casted 5 spells.