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