Here is the full list of all 48 Atelier Sophie 2: The Alchemist of the Mysterious Dream achievements.
Unlocked all achievements.
Conducted an extensive barrel inspection.
Defeated all giant enemies.
Defeated powerful enemies haunted by nightmares in all regions.
Harvested crops grown from every variety of seeds and in every greenhouse environment at least once.
Witnessed the end of a dream.
Devised all possible recipes.
Saved Elvira from the Groll.
Defeated Frenzied Elvira on Very Hard difficulty or higher.
Journeyed through Elvira's memories.
Dealt over 99999 in damage with a single attack.
Activated all Assist Skills at least once.
Reached the maximum Alchemy Level with both Sophie and Plachta.
Reached the maximum Adventurer Grade.
Helped Diebold reclaim his oath of knighthood.
Made a promise with Plachta.
Beheld the withering of the Dream Tree.
Obtained all catalysts.
Learned about Ramizel's newfound dream.
Received a priceless gift from Alette.
Assisted Kati in helping a child in Roytale.
Learned about Olias's family.
Reached the maximum Battle Level.
Marveled at Gnome's artistic skill.
Gave Pirka a pendant to stave off sleepiness.
Defeated the Zmei.
Unleashed all Dual Triggers.
Obtained all weather control tools.
Encountered a shadow from Diebold's past.
Played Major Gathering mini-games with all of the gathering tools.
Created an item with 999 quality.
Saw Plachta accept a position of authority.
Found Plachta's soul.
Spent over 100,000 Cole at Pirka's shop.
Broke an aura 30 times.
Raised the Adventurer Grade.
Activated the effects of talismans 15 times.
Agreed to help Elvira.
Defeated one giant enemy.
Learned a Bonus Skill for the first time.
Met Ramizel.
Changed the weather.
Achieved Super Success more than 10 times.
Synthesized an item with Plachta for the first time.
Played a Major Gathering mini-game using any of the gathering tools.
Devised a new recipe.
Synthesized an item with Sophie for the first time.
Arrived in Erde Wiege.