-
01
The Mirror of Erised inscription
The mirror's inscription, "Erised stra ehru oyt ube cafru oyt on wohsi," is actually "I show not your face but your heart's desire" written backward.
-
02
Fluffy's lullaby
In "Harry Potter and the Philosopher's Stone," Hagrid plays a flute to make the three-headed dog Fluffy fall asleep, which is a reference to the myth of Orpheus calming Cerberus.
-
03
Snape's first words to Harry
In "Harry Potter and the Philosopher's Stone," Snape's first question to Harry, "Potter! What would I get if I added powdered root of asphodel to an infusion of wormwood?" is a coded message, In the Victorian Language of Flowers, asphodel represents a variety of lily that signifies "My regrets accompany you to the grave," while wormwood symbolizes "absence" and is often associated with profound grief.
-
04
Chess set moves
In "Harry Potter and the Philosopher's Stone," Ron's chess moves are a reference to Kasperov's Immortal Game, one of the most famous chess games in history.
-
05
The Wizarding World chess set
Speaking of chess, In "Harry Potter and the Philosopher's Stone," the chess set Harry and Ron play with is a replica of the Isle of Lewis chess set, an iconic medieval artifact.
-
06
The Whomping Willow
The Whomping Willow in "Harry Potter and the Chamber of Secrets" was inspired by a tree in J.K. Rowling's childhood, which would violently drop its apples when shaken.
-
07
Tom Riddle's name
In "Harry Potter and the Chamber of Secrets," Tom Riddle's full name, Tom Marvolo Riddle, is an anagram of "I am Lord Voldemort."
-
08
The Grim
In "Harry Potter and the Prisoner of Azkaban," the Grim, a black dog, is a nod to the British folklore of the Black Shuck, a ghostly black dog that is an omen of death.
-
09
The Merpeople song
In "Harry Potter and the Goblet of Fire," the Merpeople's song is sung in Mermish, a language created by J.K. Rowling.
-
10
Sirius Black's tattoo
In "Harry Potter and the Order of the Phoenix," Sirius Black's tattoo is inspired by Russian prison tattoos, symbolizing his time in Azkaban.