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