Here is the full list of all 18 The Foretold: Westmark Legacy achievements.
Use Investigation Kit
Have at least 50 Shield in combat
Have at least 100 max HP
Level up the gun to maximum level
Have 75% chance to dodge in combat
Lock in all 4 slots
Collect over 200 coins
Give vegetables to the doorman
Defeat Craven
Bad Ending
You have met Malone
You found Timothy
You have met George
Take Herbert's life
Defeat Craven on hard difficulty
Defeat Craven on chaotic difficulty
Good ending
Alternative ending