Moste Potente Potions is a book whose author is unknown that can be found in chapter 10, first moment. It is a potion-making book and therefore cannot be traded.
Moste Potente Potions as seen in Book 2, chapter 10
Description[]
"Some of these potions have effects almost too gruesome to think about."
From the Story[]
"Moste Potente Potions is an advanced Potions book that is kept in the Restricted Section of the library at Hogwarts. It contains the recipe for Polyjuice Potion."
Discovered in Book 2, Chapter 10, The Rogue Bludger[]
"Moste Potente Potions is an advanced Potions book that is kept in the Restricted Section of the library at Hogwarts. It contains the recipe for Polyjuice Potion."
Potions[]
This book currently only provides instructions for the two Polyjuice Potion parts.
Moste Potente Potions recipes.