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