Here is the full list of all 50 Atelier Lulua The Scion of Arland achievements.
Acquired all trophies.
Reached maximum Battle Level.
Activated all Ultimate Attacks.
Activated all Primal Arts.
Defeated Celestial Emperor Adralda.
Defeated Sky Ruler Edra.
Defeated the Forgotten Ruler.
Defeated the Ancient Dragon King.
Explored 100 percent of all Gathering Spots.
Synthesized all recipes.
Solved all hidden pages in the Alchemyriddle.
Viewed the true ending.
Viewed Eva's ending.
Viewed Piana's ending.
Viewed Rorona and Sterk's ending.
Viewed the curry ending.
Viewed Niko's ending.
Successfully synthesized an item with a quality of 500 or more.
Viewed Aurel's ending.
Viewed Ficus's ending.
Viewed the normal ending.
Defeated GX3_FS2.
Solved all chapters in the Alchemyriddle, including the Chapter of Blank Pages.
Met Lulua from another world.
Defeated GX3_FS.
Defeated Wind Stone.
Reached maximum Alchemist Level.
Observed the transfer of authority to Stia.
Defeated the Machina of God.
Destroyed the magic crystal.
Made the ultimate sword for Aurel.
Rorona and Sterk made up.
Made curry for the children of the orphanage.
Rescued the children with Benon of the Black Steel.
Enjoyed a holiday with everyone.
Synthesized the mementos of Rorona, Totori, and Meruru.
Fought the Sea Guardian.
Synthesized a Herculean Symbol.
Celebrated with a party for everyone.
Received Rorona's recipe book.
Met Wind Stone.
Witnessed the prayer for marine safety.
Dealt with a drunken Piana.
Opened Atelier Lulua.
Received help from Totori and Sterk.
Met the mysterious magician and the militia captain.
Left Arklys.
Learned that the book is named the "Alchemyriddle."
Solved the first riddle.
Conducted first synthesis.