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