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