Here is the full list of all 50 Atelier Lulua The Scion of Arland achievements.
Acquired all trophies.
Viewed the true ending.
Viewed Rorona and Sterk's ending.
Viewed the curry ending.
Viewed Piana's ending.
Viewed Eva's ending.
Viewed Niko's ending.
Viewed Ficus's ending.
Viewed Aurel's ending.
Reached maximum Battle Level.
Activated all Ultimate Attacks.
Synthesized all recipes.
Solved all hidden pages in the Alchemyriddle.
Explored 100 percent of all Gathering Spots.
Viewed the normal ending.
Activated all Primal Arts.
Successfully synthesized an item with a quality of 500 or more.
Defeated GX3_FS2.
Reached maximum Alchemist Level.
Solved all chapters in the Alchemyriddle, including the Chapter of Blank Pages.
Met Lulua from another world.
Defeated the Forgotten Ruler.
Defeated Sky Ruler Edra.
Defeated Celestial Emperor Adralda.
Defeated the Ancient Dragon King.
Defeated GX3_FS.
Rorona and Sterk made up.
Synthesized a Herculean Symbol.
Defeated Wind Stone.
Destroyed the magic crystal.
Made the ultimate sword for Aurel.
Observed the transfer of authority to Stia.
Defeated the Machina of God.
Made curry for the children of the orphanage.
Received Rorona's recipe book.
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.
Celebrated with a party for everyone.
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.