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