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