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