21 insanely difficult 'Harry Potter' trivia questions even diehard fans have trouble with

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Do you consider yourself to be an expert on all things "Harry Potter"? There are many internet hubs perfect for putting that knowledge to the test, from discussions on the /r/harrypotter to user-submitted quizzes on Goodreads.

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In order to track down the toughest "Harry Potter" trivia questions, we put our own memory to the test on Scholastic's "Wizard's Challenge" — an online quiz with a wide range of difficulty.

Combining expert-level questions found there along with some doozies asked during a New York City trivia night, we've compiled a list sure to challenge the average "Harry Potter" fan.

Scroll down to test your wizardry. The questions are above the photos, and the answers are below the photos.

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Many know that Gryffindor's ghost is Nearly Headless Nick. But what is his full name?

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Answer: Sir Nicholas de Mimsy-Porpington

Harry, Ron, and Hermione help save the Sorcerer's Stone from being stolen. How old was its cocreator, Nicholas Flamel, at the time of his death?

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Answer: 665.

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Snape grilled Harry about this on his first day in Potions. Monkshood and wolfsbane are the same plant, also known as what?

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Answer: Aconite.

New students need to learn the secrets of the castle. How many staircases does Hogwarts have?

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Answer: 142.

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This one is a doozy. Name every ingredient contained in Polyjuice Potion. (Hint: There are seven.)

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Answer: Lacewing flies, leeches, powdered Bicorn horn, knotgrass, fluxweed, shredded Boomslang skin, and a bit of the person you want to turn into.

Quidditch players are constantly at risk of injury throughout the game. How many possible Quidditch fouls are there?

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Answer: 700.

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In "The Sorcerer’s Stone," Harry and his friends are awarded last-minute House Points, putting Gryffindor ahead of Slytherin by just 10 points. What was the final tally?

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Answer: 482 to 472.

Ever the eccentric, Dumbledore has a scar above his left knee that is a perfect map of what?

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Answer: The London Underground.

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This one's a two-parter. Where does Vernon Dursley work, and what does the company produce?

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Answer: Grunnings, a drill manufacturer.

For Harry's birthday, what color did Hermione turn the leaves of the Weasley’s crabapple tree?

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Answer: Gold.

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Cedric Diggory let Harry use the prefect's bathroom in "The Goblet of Fire." What man's statue is next to the special lavatory?

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Answer: Boris the Bewildered.

Harry is known for his talents in Quidditch. What is the max speed for a Firebolt broomstick?

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Answer: 150 mph.

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Harry first took the Knight Bus in "The Prisoner of Azkaban." How much does a hot chocolate on the Knight Bus cost?

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Answer: 15 sickles.

In the Hall of Prophecy there are rows and rows of glowing orbs. Which row contains the prophecy about Harry and Voldemort?

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Answer: Row 97.

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In the Quidditch World Cup, Ireland's team had three main chasers: Mullet, Troy, and Moran. Which one scored the first goal?

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Answer: Troy.

On the wall across from the Room of Requirement, there is a tapestry showing a wizard trying to teach trolls ballet. What's his name?

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Answer: Barnabus the Barmy.

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The visitor’s entrance to the Ministry of Magic is an abandoned red telephone booth in London. What is the five-digit code you must dial to get in?

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Answer: 6-2-4-4-2. (Bonus: This spells M-A-G-I-C on a phone's keypad.)

What is the name of the Apparition instructor who comes to Hogwarts in Harry’s sixth year?

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Answer: Wilkie Twycross.

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Voldemort stole Helga Hufflepuff's cup from an old woman named Hepzibah Smith. What was the name of her house-elf?

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Answer: Hokey.

Ginny Weasley bought a pet Pygmy Puff from her older brothers' joke shop. What did she name it?

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Answer: Arnold.

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What is Fred Weasley’s chosen code name on Potterwatch, the secretive radio program set up by the Order of the Phoenix?

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Answer: Rapier.

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Want to keep testing your "Harry Potter" knowledge?

Harry Potter Wizard's Challenge
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Head to Scholastic's dedicated "Harry Potter" site and take the Wizard's Challenge. The online quiz lets you answer as many questions as you can until you get three wrong. 

 

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