Here is the full list of all 49 Atelier Ryza 2: Lost Legends & the Secret Fairy achievements.
Unlocked All Achievements.
Obtained all decoration accessories.
Activated all Core Drives.
Unleashed all Fatal Drives.
Completed all ruins in the Exploration Diary.
Collected all Ruin Fragments and Memory Vestiges.
Defeated the Last Sentinel.
Completed everything on the research list.
Obtained an everlasting treasure on a grand adventure.
Defeated the Legendary Monarch.
Used all essences.
Obtained all gathering and adventure tools.
Created an Evolved Item.
Unlocked a Core Element.
Completed all of Romy's character events.
Maximized the Development Level of any category.
Created a level 99 item.
Completed all of Dennis's character events.
Completed all of Clifford's character events.
Discovered the Dragonbone Valley crystal.
Completed all of Lent's character events.
Completed all of Tao's character events.
Completed all of Serri's character events.
Used an essence during synthesis.
Obtained all decoration items.
Completed all of Patricia's character events.
Completed all of Klaudia's character events.
Earned max reputation with all groups.
Completed all of Zephine's character events.
Completed all of Bos's character events.
Completed all of Cassandra's character events.
Unlocked all alchemy skills in the Skill Tree.
Discovered the Mirage Land crystal.
Raised a rare Puni.
Discovered the Ancient Mana Workshop crystal.
Created an item with 999 quality.
Obtained the Mana Lantern.
Earned max reputation with any one group.
Discovered the Sunken City of Stars crystal.
Created an Air Drop.
Completed first ruin in the Exploration Diary.
Discovered the Maiden's Catacombs crystal.
Found the Spirit Beast Whistle.
Defeated an enemy shrouded in darkness.
Found the Emerald Band.
Met Fi.
Defeated a giant enemy.
Synthesized an item for the first time.
Crossed the ocean and reached the continent.