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