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