Below are the mystery recipes found in Atelier Sophie: The Alchemist of the Mysterious Book.
Philosopher Stone
To learn this recipe, reach a synthesis level of 45.
Time Control Hourglass
To learn this recipe, travel to the Clock Shop in Kirchen Bell and examine the clock on the wall on the back left side of the shop.
Living Cart
To learn this recipe, synthesize a Refuel Bottle with an effect of Auto Activate 50%. When synthesizing the Refuel Bottle, you must max out the last row to gain the Auto Active 50% effect.
Dusk Drop
To learn this recipe, you must slay Yasuk and Dorak.
Crimson Stone
Defeat Magmacius (giant dragon) at the Fallen Palace in the Reverse Meeting Room to learn this recipe.
Mystery Elixir
Purchase the Flower Blooming in Silence rumor from Horst in the Cafe then travel to the Forest of Fairies. Once in the Forest of Fairies, make your way to the eastern side of the Protected Place to find a gathering point. Loot it to receive Dunkelheit and learn this recipe.
Ancient Cauldron
To learn this recipe, you must defeat Luard then obtain an Ancient Cauldron. The Ancient Cauldron can be found at the Library of All Creation in the Dreams and Reality room (same room you defeated Luard in).
Necromancer Flute
To learn this recipe, travel to the Nearby Forest in Kirchen Bell at night and speak with the girl.
Heaven’s Cleanser
To learn this recipe, you must slay Light Elemental.
Flame of the End
To learn this recipe, you must accept 5 requests from Horst at the Cafe then select them again and give them up. Easy peasy!
Breezy Aroma
To learn this recipe, travel to the Front of Atelier and interact with the ? near the yellow map transition in the far northern part of the area. You’ll see the church in the distance.
Sealing Book
To learn this recipe, synthesize a Codex of Creation with the Steals Lots of Life effect. To do this, you must max out the first row when synthesizing the Codex of Creation.
Hero’s Medicine
Travel to the Fallen Palace and make your way to the Blue Sky Altar. Once there, head to the ruins directly in front of you and interact with the ? on the platform between the columns to learn this recipe.
Harmonium
Purchase the Crystal Blessed by Spirits rumor from Horst at the Cafe then travel to the Scar of the Land. Make your way to the area called Pierced Ruins and loot the harvest points until you find Spirit Crystal. Once you obtain Spirit Crystal, the recipe will unlock.
Velvetis
To learn this recipe, obtain a Rainbow Puni Fluid from a Rainbow Puni. Rainbow Puni can be found in the Ruined Workshop which is reachable via the Mining Cave in the Sealed Temple.
Ambrosia Garland
Purchase the Maiden Full of Grudges rumor from Horst at the Cafe then travel to the Small Islet. Once at the Small Islet, make your way to the Prayerless Altar area where you’ll find the Dark Maiden in the top right corner of the area. Defeat the monster to learn the recipe!
Spirit Tears
Travel to Small Islet. In the first area, head across the bridge to reach the small island. Examine the ? to unlock the recipe.
Elixir Base
Harvest items in the Gathering in Forest of Fairies until you learn this recipe.
Element Guard
Idea from Positive Release skill…
Sun Drop
This recipe is obtained automatically as part of the story.
Key of Truth
This recipe is obtained automatically as part of the story.
Fertile Soil
This recipe is obtained during the Haze Grass Petals event.
Prototype Fertilizer
This recipe is obtained as part of the story during the Important Event called Make the Item that Started Their Dream.