"You must form a trusting relationship with your porcupine. It is easier to practise Transfiguration on a willing target."
—Professor McGonagall on the subject matter[src]

Porcupine to Pin Cushion (Hystrifors) is a Transforming spell that transforms a porcupine into a pincushion, covered in Hogwarts' Transfiguration classes.


During the 1985–1986 school year, the spell was taught to the second year students in Transfiguration.[2]


From Latin "hystrix", meaning "porcupine", with the -fors suffix attached.

Behind the scenes

  • This may be related to the Hedgehog to pincushion spell, especially given that it works on any mammal with spines.[citation needed]
    • Despite the Hedgehog to Pincushion spell being taught to fourth years in the 1994–1995 school year curriculum, the porcupine version is taught to second years in the 1985–1986 school year curriculum.
  • Compared to similar Transfiguration spells (-fors suffix), the etymology of the spell doesn't indicate the result: for example, Lapifors turns the target into a rabbit and Avifors the target into a bird, but Hystrifors on the contrary turns a porcupine into a pin cushion. This might be a mistake from Harry Potter: Hogwarts Mystery developers, where the spell appears.
  • In Harry Potter: Hogwarts Mystery, while the lesson was listed as "Porcupine to Pin Cushion" ("Pin" and "Cushion" written separately) in the game's class directory and the header of the specific lesson; during the lesson itself, the descriptions about "pincushion" were all written as one word:
    • "Porcupine to Pincushion Demonstration"
    • "Memorise Pincushion Shape"
    • "Cast Porcupine to Pincushion"


Notes and references

  1. Harry Potter: Hogwarts Mystery, Year 2, Chapter 9 (Wizards Unite!) - Transfiguration Lesson "Porcupine to Pin Cushion" (see this image)
  2. Harry Potter: Hogwarts Mystery, Year 2, Chapter 9 (Wizards Unite!) - Transfiguration Lesson "Porcupine to Pin Cushion"

Transfiguration (class)
Branches of Transfiguration Transformation · Vanishment · Conjuration · Untransfiguration
Known practitioners Circe · Emeric Switch · Falco Aesalon · Mirabella Plunkett · Thaddeus Thurkell
Professors Albus Dumbledore · Minerva McGonagall
Textbooks A Beginner's Guide to Transfiguration · Intermediate Transfiguration · A Guide to Advanced Transfiguration
Transfiguration spells studied at Hogwarts
Colour Change Charm (Colovaria) · Change of hair colour and style (Crinus Muto) · Hardening Charm (Duro) · Mending Charm (Reparo) · Reparifarge · Softening Charm (Spongify) · Switching Spell · Vanishing Spell (Evanesco)
Conjuring Spells Orchideous · Snake Summons Spell (Serpentsortia)
Transforming Spells Animal to Water Goblet (Vera Verto) · Beetle Buttons · Cat to Cauldron (Felifors) · Chair to cat · Guinea fowl to guinea pig · Hedgehog to pincushion · Match to needle · Meddling Man to Monkey · Mice to Snuffboxes · Owl to Opera Glasses (Strigiforma) · Porcupine to Pin Cushion (Hystrifors) · Small Child to Rat · Small Object to Dragon (Draconifors) · Snail to Teapot · Target to Bird (Avifors) · Target to Rabit (Lapifors) · Teacup to Rat · Teapot to tortoise · White Rabbits to Slippers