Here is the full list of all 45 Atelier Sophie: The Alchemist of the Mysterious Book DX achievements.
Unlocked All Achievements.
Learned every single recipe.
Received a challenge from Plachta.
Defeated the Demon Lord.
Defeated the Light Elemental.
Defeated Yasuk.
Defeated Dorak.
Walked in on Horst playing the piano.
Got good at playing the piano.
Witnessed Logy find new determination.
Raised friend level of all party members to maximum.
Reached maximum alchemy level.
Enjoyed Monika's concert.
Saved up 100,000 Cole.
Saw Oskar carrying Monika in his arms.
Defeated Nazarus.
Harol showed you the repaired clock.
Saw Pamela being happy about church reaching its donation goal.
Saw Elise without her glasses on.
Finished the battle and returned to the atelier.
Defeated Luard.
Enjoyed a waterside vacation with Leon.
Went on a date with Tess.
Unleashed a special attack.
Cauldron of Knowledge stolen by Meklet and Atomina.
Reached maximum Request rank.
Reached maximum adventurer level.
Found out that the machine box is a music box.
Satisfied Plachta during Doll Making.
Changed Plachta's appearance.
Put on a new outfit.
Slept for 3 whole days.
Turned Plachta into a doll.
Failed to turn Plachta into a human.
Received a present.
Found the identity of the voice in the cabin.
Inspected a barrel.
Enhanced a weapon or armor.
Registered an item at the duplication shop.
Crafted a weapon or armor.
Was saved by a mysterious person.
Purchased a rumor.
Something bad happened while traveling.
Met Plachta.
Defeated a Puni in your first battle.