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