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