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.
Maximized the Development Level of any category.
Completed all of Clifford's character events.
Defeated the Last Sentinel.
Completed all ruins in the Exploration Diary.
Collected all Ruin Fragments and Memory Vestiges.
Completed everything on the research list.
Completed all of Romy's character events.
Used all essences.
Obtained all gathering and adventure tools.
Obtained an everlasting treasure on a grand adventure.
Defeated the Legendary Monarch.
Completed all of Dennis's character events.
Created a level 99 item.
Completed all of Serri's character events.
Discovered the Dragonbone Valley crystal.
Unlocked a Core Element.
Completed all of Tao's character events.
Used an essence during synthesis.
Created an Evolved Item.
Unlocked all alchemy skills in the Skill Tree.
Raised a rare Puni.
Completed all of Patricia's character events.
Created an item with 999 quality.
Discovered the Mirage Land crystal.
Completed all of Lent's character events.
Completed all of Bos's character events.
Completed all of Zephine's character events.
Obtained all decoration items.
Completed all of Cassandra's character events.
Earned max reputation with all groups.
Discovered the Ancient Mana Workshop crystal.
Completed all of Klaudia's character events.
Obtained the Mana Lantern.
Discovered the Sunken City of Stars crystal.
Earned max reputation with any one group.
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.
Defeated a giant enemy.
Met Fi.
Synthesized an item for the first time.
Crossed the ocean and reached the continent.