Here is the full list of all 17 Arcadia Fallen achievements.
Gain Kim's trust.
Scare away Kim.
Assist in the restoration of The Wilted Forest.
Brew your first potion.
Banish your first demon.
Impress Elizabeth by becoming an alchemy expert.
Complete all alchemy challenges.
Reach the first chapter.
Reach the second chapter.
Reach the third chapter.
Reach the fourth chapter.
Reach the fifth chapter.
Reach the sixth chapter.
Reach the seventh chapter.
Complete the game.
Witness Michael's execution.
Commit every crime in the game and get away with it.