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