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