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