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