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