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