Here is the full list of all 53 Atelier Escha & Logy: Alchemists of the Dusk Sky DX achievements.
All Achievements acquired.
Fulfilled an important promise.
Saw the complete girl's association.
Completed Escha's story.
Witnessed Micie's elegant shopping.
Stopped Flameu after she released her true power.
Harvested apples with Nio and Clone.
Witnessed the twilight survival instinct of Escha.
Started Escha's story.
Escha saw Logy off with a smile.
Decided to work with Linca and Marion in the development team.
Helped Lucille save people on the frontier.
Went on a search for treasure with Reyfer and Harry.
Helped Threia with her research.
Journeyed to the Ends of the Earth with Awin.
Saw the complete men's association.
Completed Logy's story.
Reached combat level 99. Are there any worthy foes left?
Saw an unexpected side of Threia and Marion.
Reached alchemy level 50. You're now an expert!
Challenged the king of dragons, and proved humanity's worth.
Read a difficult reference book with Lucille.
Destroyed the giant device used by a girl.
Saved the girl's soul bound to Geosis.
Watched Linca's reunion.
Defeated the giant alchemic creature in the Unexplored Ruins, and found the ruin's secret.
Participated in Duke's eating contest.
Encountered Solle and Colland's awkward meal.
Fell victim to a classic ruins trap with Reyfer.
Cleared and reported 9th term assignment.
Saw the "Ends of the Earth" with Awin.
Cleared and reported 8th term assignment.
Completed a true airship.
Gathered lithograph fragments, and discovered an ancient legend.
Cleared and reported 7th term assignment.
Built a basic airship.
Logy retook his dreams with Escha's support.
Cleared and reported 6th term assignment.
Encountered Katla and Harry's fateful meeting.
Cleared and reported 5th term assignment.
Destroyed the Slag guarding the ruins interior.
Watched Duke and Colland's manly struggle.
Planned for the future with the development team.
Cleared and reported 4th term assignment.
Eliminated the behemoth living at the water spring.
Learned Logy was greatly injured in a past accident.
Cleared and reported 3rd term assignment.
Acquired a worn down air balloon. You became an alchemist of the sky…maybe.
Cleared and reported 2nd term assignment.
Found out that Wilbell is a real magician.
Cleared and reported 1st term assignment.
Escha and Logy's new life begins.
Started Logy's story.