8 Most Potent Spells from the Harry Potter Series

8 Most Potent Spells from the Harry Potter Series

Overview of Harry Potter’s Spellcasting Journey

  • Throughout his time at Hogwarts and beyond, Harry Potter wielded several Unforgivable Curses, some of which nearly cost his rival, Draco Malfoy, his life.
  • Harry’s magical repertoire grew significantly during his later years at Hogwarts, especially as he battled against Voldemort and the Dark Arts.

Though the magical universe of Harry Potter is expansive, Harry’s journey into spellcasting didn’t fully manifest until the second installment of the series. However, it didn’t take long for Harry, known as the Boy Who Lived, to showcase his remarkable magical abilities. By his third year at Hogwarts, he was already casting spells with an impressive skill set, showcasing a talent that outmatched his limited experience.

Within the narrative, Harry emerges as a formidable wizard in the Wizarding World. His skills develop through diligent practice, guidance from mentors, and sheer determination. Throughout the series, he not only masters challenging spells but occasionally resorts to darker magic, particularly in high-stakes scenarios involving his arch-nemesis, Voldemort.

8 Accio (The Summoning Charm)

After Overcoming Challenges, Harry Successfully Summoned His Broom

Harry Potter Triwizard Tournament Accio Formal
  • First use: Harry Potter and the Goblet of Fire

While Accio may not seem like an extraordinary spell to the general wizarding community, Harry’s application of it during the Triwizard Tournament’s first challenge was remarkable. He summoned his broomstick from a great distance, from within the castle, while in the midst of a dangerous encounter with the Hungarian Horntail. This task was not only harder than retrieving an item from close range, but it also highlighted Harry’s growth as he had previously struggled with this charm.

Before the task, it was Hermione who guided Harry in practicing Accio with cushions in deserted classrooms, showcasing how even great wizards rely on mentorship.

7 Wingardium Leviosa (The Levitation Charm)

Harry Saved His Sidecar from Falling Amidst a Death Eater Attack

Hagrid and Harry Potter on Flying Motorcycle
  • Notable use: Harry Potter and the Deathly Hallows

Wingardium Leviosa is often associated with Hermione’s amusing correction of Ron’s pronunciation, but its potential is far more significant, as demonstrated in Harry’s use of the charm during the chaotic Battle of Seven Potters. When a curse struck Harry’s sidecar, he faced perilous descent from Hagrid’s motorcycle. With quick thinking, he cast Wingardium Leviosa to halt his fall. The ability to levitate such a large object in the heat of battle exemplifies the spell’s power despite being a fundamental incantation.

6 Reparo (The Mending Charm)

Harry Repaired His Broken Wand Using the Elder Wand

Harry Potter Before Timeskip
  • Notable use: Harry Potter and the Deathly Hallows

While often overlooked, the Reparo spell deserves recognition, especially in Harry’s last adventure. The charm typically repairs minor objects; however, it became instrumental when Harry’s wand was shattered during an escape. Notably, conventional wands cannot be mended with another wand’s help, making his successful use of the Elder Wand to repair his original wand a remarkable moment. After this act, Harry cast away the Elder Wand, symbolizing his departure from the pursuit of power.

5 Crucio (The Cruciatus Curse)

Harry Cast Crucio on Amycus Carrow After He Spat on Professor McGonagall

Amycus Carrow from Harry Potter
  • First use: Harry Potter and the Deathly Hallows

Driven by grief and indignation, Harry struggled to master the Cruciatus Curse but ultimately succeeded under intense provocation. This curse, known for its torturous effects, had previously eluded him until he confronted Amycus Carrow, a Death Eater who had forced students to inflict suffering upon one another. After Carrow insulted Professor McGonagall by spitting on her, Harry unleashed the full potency of Crucio, marking a pivotal moment in his character arc.

4 Expelliarmus (The Disarming Charm)

Harry’s Signature Spell: The Key to Defeating Lord Voldemort

Harry Potter Casts Expelliarmus in Duel
  • First use: Harry Potter and the Chamber of Secrets

Expelliarmus, taught to Harry by Professor Snape in his second year, became synonymous with Harry’s identity. Although the charm is a fundamental spell, Harry demonstrated its effectiveness in tense encounters with Voldemort. A notable victory was secured when this simple spell enabled Harry to finally vanquish the Dark Lord, showcasing that disarming an opponent is often as critical as striking them down.

3 Always

Harry Nearly Fatally Wounded Draco Malfoy with Sectumsempra

Draco Malfoy After Sectumsempra Cast by Harry
  • First use: Harry Potter and the Half-Blood Prince

Despite his admirable traits, Harry’s temper occasionally overpowered him. A poignant instance of this was when he cast Sectumsempra on Draco Malfoy—an action he would come to deeply regret. Unbeknownst to Harry, the spell, found within the Half-Blood Prince’s textbook, was intended for use against enemies but had devastating potential, leading to extreme injuries. His lack of understanding regarding its lethal effects reflects the danger of unchecked magical power.

2 Expect Patronus (The Patronus Charm)

Harry Shielded Himself & Others from Dementors Time and Again

Harry Potter's Stag Patronus
  • First use: Harry Potter and the Prisoner of Azkaban

In Harry’s third year, Dementors emerged around Hogwarts due to the escape of Sirius Black, creating a dark aura around the school. As these creatures were drawn to Harry’s past trauma, Professor Lupin endeavored to teach him Expecto Patronus, an intricate spell capable of fending off Dementors. Surprisingly, Harry managed to master this spell, producing a Patronus so powerful that it repelled multiple Dementors, reinforcing his identity as a protector throughout the series.

1 Imperius (The Imperius Curse)

Harry Commanded Goblins at Gringotts Using the Imperius Curse

Gringotts Bank
  • First use: Harry Potter and the Deathly Hallows

During his quests, Harry occasionally found himself tapping into the darker aspects of magic, reminiscent of his mentor Dumbledore’s past with Gellert Grindelwald’s controversial ideals. In a critical moment, to infiltrate Gringotts Bank, Harry resorted to the Imperius Curse, compelling a goblin named Bogrod and a Death Eater named Travers to assist him. This potent Unforgivable Curse enabled Harry to fulfill a pivotal mission in his fight against Voldemort and his forces.

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