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