Here is the full list of all 11 Stoneshard: Prologue achievements. It takes around 6-8 hours to unlock all of the achievements on Windows.
Kill Ascended Archon without letting him eat a single corpse.
Kill any enemy while experiencing Bad Trip.
Have your health reduced to 1 point, survive and restore it back to at least 50%.
Complete the Prologue.
Kill Ascended Archon.
Collect and read all 5 diary pages.
Kill at least one vampire of every type.
Equip an item to every slot. Ring and amulet slots doesn’t count.
Die during the tutorial
Complete the tutorial.
Use Ether Inhaler.