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