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