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