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