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