Here is the full list of all 48 Atelier Ryza 3: Alchemist of the End & the Secret Key achievements.
Unlocked all achievements.
Discovered all memoirs.
Raised a level 50 Puni.
Manifested all Roles.
Completed Klaudia's side story.
Completed Empel's side story.
Completed Bos's side story.
Completed Lila's side story.
Completed Tao's side story.
Completed Lent's side story.
Discovered all landmarks.
Activated all Fatal Drives.
Completed Federica's side story.
Completed Dian's side story.
Completed Patricia's side story.
Collected all cooking recipes.
Completed Kala's side story.
Completed at least one world quests from every region.
Completed request of the 3 sword master brothers.
Caught an insect of a specific size.
Set out on a journey to find someone to entrust your legacy to.
Defeated the Code of the Universe.
Created the Key of Truth.
Reunited with Fi.
Made friends with the Land Beast.
Activated 6th stage effect using Link Morph.
Expanded an atelier to maximum size.
Once again landed in the Underworld.
Created a rare key.
Completed all world quests in one region.
Made friends with the Water Beast.
Successfully synthesized a level 3 recipe.
Stirred up the conflict of Sardonica.
Obtained all Exploring and Adventuring Tools.
Completed the Alchemy Skill Tree.
Caught a marine creature of a specific size.
Acquired skills by using Core Crystals.
Built an atelier.
Used Key Creation on a tough enemy.
Obtained an item from a rare supply point.
Created a key at a landmark.
Defeated an enemy using Key Modification.
Used Order Drive for the first time.
Successfully synthesized an item with super traits.
Completed a random quest for the first time.
The four set out on an adventure.
Discovered a memoir for the first time.
Discovered a Landmark for the first time.