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""Moste Potente Potions?" she repeated suspiciously."
— Librarian Irma Pince doubts Hermione Granger's intentions in the Restricted Section.[src]

Moste Potente Potions was a book by Phineas Bourne[1] that gave instructions on how to brew advanced potions.

Contents

Polyjuice Potion

A page featuring instructions for making Polyjuice Potion.

Moste Potente Potions contained recipes for many dangerous, controversial, and arcane potions, which required advanced skill in potion-making to brew. Gruesome illustrations showed the effects of such potions. The Hogwarts Library accordingly kept its copy of this book in the Restricted Section.

Two potions known to be included in the book were Polyjuice Potion and Laxative Potion. It may have also contained information on slow-acting venoms, but this is uncertain.

History

File:3748.jpg

Hermione Granger brewing Polyjuice Potion.

In 1992, Harry Potter, Hermione Granger, and Ron Weasley planned to sneak into the Slytherin common room in order to investigate the mystery of Slytherin's Heir, and needed to make Polyjuice Potion so they could disguise themselves as Slytherin students.

Hermione obtained a permission slip to check Moste Potente Potions out of the Restricted Section from Gilderoy Lockhart, claiming that the book contained information on slow-acting venoms that she thought might help her understand what Lockhart had written on this subject in Gadding with Ghouls.

Hermione then spent several months brewing the Polyjuice Potion in Moaning Myrtle's lavatory, using ingredients pinched from Professor Snape's stores.

Behind the scenes

  • In the film adaptation of Harry Potter and the Chamber of Secrets the book was found in the regular section of the library.
    HP-Cos Moste Potente potions

    A picture from "Moste Potente Potions".

  • Also in the book, there is a picture (Figure VII) of a woman with a grotesquely large spider on her head, almost worn like an ornament. Whether or not this is an effect of a potion is unknown. It is possible that it is the side-effect of accidentally imbibing a Polyjuice Potion contaminated by spider hairs, similar as to when Hermione was partially transfigured into a cat when her Polyjuice Potion was contaminated with cat hair.

Appearances

Notes and references

  1. 1.0 1.1 See this image.
Potions (class)
Wideye-or-awakening-potion
Potioneers
Arsenius Jigger · Baruffio · Bella Navarro · Bilius Finbok · Blossom Degrasse · Dai Ryusaki · Damocles Belby · Dorothy Sprottle · Erica Stainwright · Fatimah Lawang · Fleamont Potter · Gethsemane Prickle · Gilderoy Lockhart · Glossy · Glover Hipworth · Golpalott · Gregory the Smarmy · Gunhilda de Gorsemoor · Hector Dagworth-Granger · Hesper Starkey · Jalal Sehmi · J. Pippin · Laverne de Montmorency · Libatius Borage · Linfred of Stinchcombe · Mulpepper · Mundungus Fletcher · Nicolas Flamel · Phineas Bourne · Priya Treadwell · Quintia McQuoid · Regulus Moonshine · Rogue alchemist · Rubens Winikus · Sacharissa Tugwood · Skower · Tilden Toots · Dr Ubbly · Vindictus Viridian · Zenith Xeep · Zygmunt Budge
Potions at Hogwarts
Cauldron cupboard · Dungeon Five · Potions basement · Potions Classroom · Potions Club · Potions Staircase · Potion Master's office · Potions Storeroom
Professors Bartholomew · Horace Slughorn · Severus Snape · Swoopstikes · Unnamed Professor (16th century) · Aesop Sharp (19th century) · Unnamed Professor (2021)
Textbooks A Collection of Above Three Hundred Receipts in Cookery, Physick, and Surgery · Advanced Potion-Making · Ingredient Encyclopedia · Magical Drafts and Potions · One Thousand Magical Herbs and Fungi
Potions studied at Hogwarts
Ageing Potion · Amortentia · Antidotes · Antidote to Common Poisons · Antidote to garish pink blended poison · Antidote to Uncommon Poisons · Antidote to Veritaserum · Babbling Beverage · Befuddlement Draught · Calming Draught · Cheese-Based Potions · Confusing Concoction · Cough Potion · Cure for Boils · Deflating Draught · Doxycide · Draught of Living Death · Draught of Peace · Elixir to Induce Euphoria · Erumpent Potion · Essence of Insanity · Everlasting Elixirs · Felix Felicis · Fire Protection Potion · Forgetfulness Potion · The Famous French Method for the Bite of a Mad Dog · Garish pink blended poison · Garrotting Gas · Girding Potion · Hair-Raising Potion · Herbicide Potion · Hiccoughing Solution · Invigoration Draught · Laughing Potion · Mandrake Restorative Draught · Memory Potion · Pepperup Potion · Polyjuice Potion · Pompion Potion · Potion for Dreamless Sleep · Rat Tonic · Regerminating Potion · Scintillation Solution · Shrinking Solution · Skele-Gro · Strength Potion · Strengthening Solution · Swelling Solution · Undetectable Poisons · Veritaserum · Weedosoros · Wideye Potion · Wiggenweld Potion · Wit-Sharpening Potion · Wolfsbane Potion · Wound-Cleaning Potion
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