Here is the full list of all 41 SoulCraft achievements.
Collect 500.000 Souls
Collect 200 Essences
Reach Level 50
Defeat Shruthar the Deceiver
Kill 1000 Enemies
Reach Level 35
Collect 100.000 Souls
Defeat Earthshaker Lyrruth
Kill 500 Enemies
Reach Level 20
Win an Insane Difficulty Quest without using a Potion or Revive
Equip an Item of Legendary (yellow) quality in every Slot
Win a Hard Difficulty Quest without using a Potion or Revive
Defeat the Broodmother
Consume 30 Potions
Win an Insane Difficulty Quest
Defeat Shakkur the Assassin
Win a Very Hard Difficulty Quest without using a Potion or Revive
Win a Very Hard Difficulty Quest
Learn 20 Skills
Learn 10 Skills
Equip an Item of Rare (blue) quality in every Slot
Reach Level 10
Equip a Character Skin
Adopt a Pet Companion
Equip an Item in every Slot
Defeat Pyron the Destroyer
Win a Hard Difficulty Quest
Revive your Character
Kill 100 Enemies
Learn 5 Skills
Defeat Toxurr the Chemist
Make an enemy die in a Toxic Pool
Purchase a Mystery Chest
Defeat Morrus the Butcher
Reach Level 5
Learn a new Skill
Craft an Item
Defeat your first wave of enemies
Collect 1.000.000 Souls
Let an enemy die in a Snapper Explosion