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