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.
Defeated powerful enemies haunted by nightmares in all regions.
Defeated all giant enemies.
Dealt over 99999 in damage with a single attack.
Reached the maximum Alchemy Level with both Sophie and Plachta.
Helped Diebold reclaim his oath of knighthood.
Made a promise with Plachta.
Beheld the withering of the Dream Tree.
Obtained all catalysts.
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.
Reached the maximum Adventurer Grade.
Marveled at Gnome's artistic skill.
Gave Pirka a pendant to stave off sleepiness.
Harvested crops grown from every variety of seeds and in every greenhouse environment at least once.
Defeated the Zmei.
Created an item with 999 quality.
Obtained all weather control tools.
Reached the maximum Battle Level.
Activated all Assist Skills at least once.
Unleashed all Dual Triggers.
Spent over 100,000 Cole at Pirka's shop.
Encountered a shadow from Diebold's past.
Played Major Gathering mini-games with all of the gathering tools.
Saw Plachta accept a position of authority.
Raised the Adventurer Grade.
Found Plachta's soul.
Conducted an extensive barrel inspection.
Broke an aura 30 times.
Agreed to help Elvira.
Activated the effects of talismans 15 times.
Met Ramizel.
Defeated one giant enemy.
Learned a Bonus Skill for the first time.
Changed the weather.
Synthesized an item with Plachta for the first time.
Played a Major Gathering mini-game using any of the gathering tools.
Achieved Super Success more than 10 times.
Devised a new recipe.
Synthesized an item with Sophie for the first time.
Arrived in Erde Wiege.