Here is the full list of all 39 Atelier Shallie: Alchemists of the Dusk Sea DX achievements.
All Achievements obtained.
Decided to face the Dusk together with Shallie.
Assigned to Stellard as new officials.
Found a solution for the drought, and returned to Lugion.
Saw Shallistera's story through to the end.
Acknowledged by the king of beasts ruling the underground.
Saw Raoul's moment of utter defeat.
Chose Shallistera's story.
Started a 2nd playthrough.
Set off on a new adventure, for Nady's medicine.
Decided to run an atelier in Stellard with Stera and Miruca.
Saw Shallotte's story through to the end.
Encountered Harry and Gerard having a chat.
Stopped the being controlling the water source.
Reached combat level 99. You're just getting started!
Reached alchemy level 99. Now you're a full fledged alchemist!
Emerged victorious over the king of dragonkin.
Completed objectives of chapter 9.
Saw Miruca and Jurie working together.
Saw the place where Linca was born.
Completed objectives of chapter 8.
Participated in the Confection Fair.
Enjoyed the Water Festival.
Contracted with the spirit ruling the Dusk Sea.
Encouraged Master Wilbell.
Encountered the alchemist Keithgriff.
Completed objectives of chapter 7.
Defeated the master of the Ghost Ship.
Completed objectives of chapter 6.
Made amends with Shallie.
Completed objectives of chapter 5.
Found out that Nady is gravely ill.
Slayed the Huge Dragon that was threatening Stellard.
Completed objectives of chapter 4.
Completed objectives of chapter 3.
Completed objectives of chapter 2.
Completed objectives of chapter 1.
Saved from a predicament by Wilbell.
Chose Shallotte's story.