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