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