Moste Potente Potions

Moste Potente Potions is a book found in the Restricted Section of the library. It contains instructions on how to make many potions that are dangerous and only advanced students should attempt to make them.

One of the potions in the book is the Polyjuice Potion. Harry Potter, Hermione Granger, and Ron Weasley use the Polyjuice Potion to interogate Draco Malfoy in Harry Potter and the Chamber of Secrets.