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.
Obtained all decoration accessories.
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 Serri's character events.
Obtained all gathering and adventure tools.
Completed all of Clifford's character events.
Completed all of Tao's character events.
Used all essences.
Raised a rare Puni.
Discovered the Mirage Land crystal.
Discovered the Dragonbone Valley crystal.
Unlocked all alchemy skills in the Skill Tree.
Created a level 99 item.
Created an item with 999 quality.
Completed all of Bos's character events.
Completed all of Lent's character events.
Created an Evolved Item.
Completed all of Zephine's character events.
Completed all of Patricia's character events.
Maximized the Development Level of any category.
Completed all of Dennis's character events.
Unleashed all Fatal Drives.
Earned max reputation with all groups.
Completed all of Romy's character events.
Unlocked a Core Element.
Obtained all decoration items.
Used an essence during synthesis.
Discovered the Ancient Mana Workshop crystal.
Completed all of Cassandra's character events.
Completed all of Klaudia's character events.
Obtained the Mana Lantern.
Discovered the Sunken City of Stars crystal.
Created an Air Drop.
Discovered the Maiden's Catacombs crystal.
Completed first ruin in the Exploration Diary.
Found the Spirit Beast Whistle.
Earned max reputation with any one group.
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.