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