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