Here is the full list of all 21 Havsala: Into the Soul Palace achievements.
Finish the game in a single take
Finish the game without taking any hints
Spend 5 minutes with the lyre without leaving
Read all pages of every book in the library.
Give only wrong answers for each memory test
Poke the raven 20 times
Try solving the stargazing puzzle with half of the instructions
Solve the lyre puzzle on the first try
Read the diaries of Salvino and Ynes
Finish the game
Spread tarot more than 5 times
Do a tarot reading
Collect each tarot card
Complete Chapter Three
Ace the memory test
Place all three memoirs in the sacrarium
Take more than 5 hints
Complete Chapter Two
Give the book doge his bone
Read any diary from previous chapters
Complete Chapter One