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