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5 Deadliest Harry Potter Spells

Updated on February 20, 2017
Kritee Mahanti profile image

Born in the Harry Potter era, Kritee is an ardent fan and devoted follower of Harry Potter.

Get Ready To SPELL!

Who will win the Battle of Hogwarts?
Who will win the Battle of Hogwarts?

5. Petrificus Totalus

Petrificus Totalus, or the full body bind curse, may not be exactly deadly but it did come handy at times for Harry and his friends especially because they were not allowed to use the Unforgivable curses.

The curse is used to temporarily bind the victim's body causing the victim to fall down. It was first used by Hermione on Neville when he was trying to stop Ron, Harry, and herself from leaving the common room in search of the Philosopher's Stone.

It has been used by Harry and the others time and again in order to render the victim immobile.

Stunning Spell


4. Stupefy

Stupefy or the Stunning spell is used to stun the victim often rendering him unconscious. It is the ultimate spell that can be used by a non death eater as they are not allowed to use the Killing curse.

The spell can cause severe injuries when used repetitively. Thus it can be considered as one of the deadliest spell.

Sectumsempra- Half Blood Prince
Sectumsempra- Half Blood Prince

3. Sectumsempra

One of the deadliest and interesting spell would be this one, Sectumsempra. Invented by the Half Blood Prince himself, this spell is considered to be Snape's signature spell.

The spell creates large blood oozing gashes on the victim. Snape specially invented it to attack the enemies. Harry got to know about it from Snape's old potions book. He used it on Malfoy and was severely reprimanded by Snape. Snape later used it against George, unintentionally though, resulting in George's ear to be cursed off.

Harry Potter: Sectumsempra!

[Snape knocks Harry backwards, then approaches him slowly]

Severus Snape: You dare use my own spells against me, Potter? [Harry stares in horror] Yes. I'm the Half-Blood Prince. [Kicks Harry's wand away and leaves]

Demonstration of the Cruciatus Curse
Demonstration of the Cruciatus Curse

2. Crucio

One of the three Unforgivable Curses, Crucio, or the Cruciatus curse, is used to inflict pain on the recipient. Being an Unforgivable Curse, pronouncing this curse meant life sentence in Azkaban.

It was probably Bellatrix's favourite spell because she used it again and again starting with Neville's parents whom she tortured to insanity.

The cries of the victims on whom this spell was used were definitely shuddering. The fact that you need to feel an intense desire to cause pain in order to make this spell effective makes it a deadly one.

"Never used an Unforgivable Curse before, have you, boy?" she yelled. She had abandoned her baby voice now. "You need to mean them Potter! You need to really want to cause pain -- to enjoy it -- righteous anger won't hurt me for long -- I'll show you how it is done, shall I? I'll give you a lesson --"

— Bellatrix Lestrange

Crucio Scenes

Voldemort- Avada Kedavra
Voldemort- Avada Kedavra

1. Avada Kedavra

No prizes for guessing that the deadliest of them all would be this one. Avada Kedavra, or the Killing curse, is another Unforgivable curse, the most dangerous one ever.

No known counter curse for this one it is used to instantly kill the victim. The ultimate of all the curses it is the death eaters' favourite curse.

Our hero Harry has been saved from it many times, thanks to his mother's sacrifice, a certain phenomenon called the priori incantatem, and the so called seventh Horcrux.

A flash of green light and the body drops on the ground lifeless! What could be more deadlier than that?

"Not nice," he said calmly. "Not pleasant. And there's no counter curse. There's no blocking it. Only one known person has ever survived it, and he's sitting right in front of me.”

— Mad Eye Moody,Harry Potter and the Goblet of Fire

Avada Kedavra Scenes

Which one of the spells do you think would be make a potential defense against your enemies?

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    • CYong74 profile image

      Cedric Yong 10 months ago from Singapore

      Other than Avada, I think most HP spells depends a lot on the caster. Voldy's stupefy would probably be strong enough to blast apart a bank vault.

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