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