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