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