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