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"Thicknesse had fallen to the ground with tiny spikes erupting all over him; he seemed to be turning into some form of sea urchin."
Pius Thicknesse after being subjected to the jinx by Percy Weasley[src]

The Sea Urchin Jinx[2] was a jinx that transfigured the target victim into something similar to a sea urchin, with tiny spikes erupting all over the victim's body. It apparently created awful discomfort in the target.[1]

History

During the 1989–1990 school year, Bill Weasley taught this spell to a group of sixth year students in one of his Defence Against the Dark Arts tutoring sessions. During this class, Ismelda Murk used the spell on Ben Copper.[2]

This spell was used on 2 May, 1998, during the Battle of Hogwarts, by Percy Weasley on an Imperiused Pius Thicknesse. This happened right before his brother Fred died as the result of an explosion.[1]

Known practitioners

Behind the scenes

Appearances

Notes and references

  1. 1.0 1.1 1.2 1.3 1.4 Harry Potter and the Deathly Hallows, Chapter 32 (The Elder Wand)
  2. 2.0 2.1 2.2 2.3 2.4 2.5 2.6 Harry Potter: Hogwarts Mystery, Year 6, Chapter 13 (On the Run) - Defence Against the Dark Arts Lesson "Sea Urchin Jinx"


Defence Against the Dark Arts (D.A.D.A.)
Subjectsdada
D.A.D.A. at Hogwarts
Classroom 3C · Classroom 3C backrooms · Temporary Classroom · Hogwarts Turris Magnus · Teacher's Office · Storeroom · Staircase · Lesson Cup · Race Cup · Dumbledore's Army
Professors
Arsenius Jigger · Albus Dumbledore · Galatea Merrythought · Patricia Rakepick · Quirinus Quirrell · Gilderoy Lockhart · Remus Lupin · Bartemius Crouch Junior (as Alastor Moody) · Dolores Umbridge · Severus Snape · Amycus Carrow (as Dark Arts teacher)
Textbooks
The Dark Forces: A Guide to Self-Protection · Break with a Banshee · Gadding with Ghouls · Holidays with Hags · Travels with Trolls · Voyages with Vampires · Wanderings with Werewolves · Year with the Yeti · The Essential Defence Against the Dark Arts · Defensive Magical Theory · Dark Arts Defence – Basics for Beginners · Confronting the Faceless
Spells studied at Hogwarts under D.A.D.A.
Aqua Eructo Charm · Boggart-Banishing Spell · Cave inimicum · Counter-curses · Counter-jinxes · Counter-spells · Cruciatus Curse · Curse of the Bogies · Defensive Charms · Densaugeo · Deprimo · Disarming Charm · Ear-Shrivelling Curse · Everte Statum · Freezing Spell · Full Body-Bind Curse · Fumos Duo · Green Sparks · Hex-Breaker· Hex-deflection · Hex Zapper · Homorphus Charm · Human-presence-revealing Spell · Impediment Jinx · Imperius Curse · Imperturbable Charm · Killing Curse · Knockback Jinx · Lacarnum Inflamari · Langlock · Limbo Mist anticharm · Nonverbal spells · Patronus Charm · Red Sparks · Reductor Curse · Salvio hexia · Sea Urchin Jinx · Seize and Pull Charm · Shield Charm · Smokescreen Spell · Snake-Vanishing Spell · Softening Charm · Tickling Charm · Tongue-Tying Curse · Trip Jinx · Twitchy-Ears Hex · Verdimillious Charm · Verdimillious Duo Spell · Verdimillious Tria · Vermillious Duo · Vermillious Tria · Wand-Lighting Charm
Creatures studied at Hogwarts under D.A.D.A.
Banshee · Boggart · Cornish Pixie · Dementor · Erkling · Flesh-Eating Slug · Ghost · Ghoul · Grindylow · Gytrash · Hag · Hinkypunk · Iguana · Imp · Inferius · Kappa · Nocturnal beasts · Red Cap · Snake · Troll · Vampire · Vampire bat · Werewolf · Yeti · Zombie
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