Here is the full list of all 45 Atelier Firis: The Alchemist and the Mysterious Journey achievements.
Collected all trophies!
Decided to go on a never ending, mysterious journey.
Decided to join Drossel's puppet show.
Opened an atelier with Ilmeria.
Departed on an alchemic journey with Sophie.
Departed on a whimsical journey with Liane.
Joined Oskar to befriend plants around the world.
Became a teacher at Angriff's new school.
Departed on a historical journey with Kald.
Joined Revy's quest to become the strongest.
Decided what to do in life.
Decided to master alchemy.
Enjoyed the Flussheim festival.
Visited every area.
Submitted a lot of data.
Defeated the Sleeper of the Depths.
Listened to a song of appreciation by Luis.
Witnessed how much Angriff can drink.
Defeated Twin Gods Emuel.
Defeated Palmyra.
Defeated the Avenger.
Made amends with Ilmeria.
Held a puppet show in Ertona.
Embraced whole-heartedly by Liane.
Defeated Logius.
Came up with a lot of recipes.
Built a ship that can fly.
Completed a lot of chain quests.
Watched Revy cook at a food stall.
Melted the snow on a mountain.
Enjoyed bathing in a hot spring.
Used the Corneria doll to refill items.
Passed the official alchemy exam.
Defeated Sophie during the license exam.
Changed costumes.
Wore the clothes your mother sent from home.
Built a ship that can cross a waterspout.
Performed advanced Synthesis for the first time.
Checked many barrels.
Completed the map of an area.
Used Atelier Making to redecorate.
Obtained a letter of recommendation.
Set up your Atelier for the first time.
Discovered a landmark.
Met Sophie and Plachta.