Here is the full list of all 45 The Sealed Ampoule achievements.
Reached level 100.
Got help from the twins.
Defeated the Salt Guard.
Acquired the wisdom of the Homunculi.
Reached Floor 50.
Defeated the Mercury Guard.
Defeated the Sulfur Guard.
Found a forbidden room.
Visited your first farm.
Spoke to the twins for the first time.
Viewed first event.
Started up the power reactor.
Entrusted with the Emerald Board.
Viewed all Thomas events.
Viewed all Mary Anne events.
Viewed all Alchemist events.
Viewed all dead body events.
Viewed the ending.
Viewed the True Ending.
Viewed all Agriculturalization Complete events.
Viewed all Magic Level Up Complete events.
Used the power of the Acasia Book.
Reached Floor 100.
Reached Floor 200.
Reached Floor 500.
Reached Floor 1000.
Visited a farm of size 50 or above.
Reached level 300.
Reached level 500.
Learned all types of skills.
Restored a total of 10,000 HP using recovery items.
Restored a total of 1000 MP using recovery items.
Reached +1000 Max HP using Numerology.
Reached +500 Max MP using Numerology.
Reached +100 ATK using Numerology.
Reached +100 DEF using Numerology.
Reached +100 Magic DEF using Numerology.
Reached +1% Critical Rate using Numerology.
Warped 100 floors or more at once.
Defeated +1 or above enemy for the first time.
Defeated +9 enemy for the first time.
Acquired all types of elements.
Defeated all types of enemies.
Found all types of Magic Circles.
Found all types of alchemy tools.