They come in handy when the trio finds themselves in some difficult situations.

However, certain spells define Hermione better than others.

Hermione is the first wizard to perform Reparo on-screen in the franchise, so she makes it memorable.

Emma Watson as Hermione Granger in the Harry Potter films, waving a wand, which shoots out an orange beam of light

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It’s impressive that she can do it before stepping foot in Hogwarts.

It works to impress Ron and Harry, but as spells go, Reparo isn’t exactly difficult.

Hermione will be capable of much more once she gets engrossed in her classes.

Emma Watson as Hermione casts Reparo on Harry Potter’s glasses in Harry Potter and the Chamber of Secrets.

Image via Warner Bros.

Homenum Revelio is used for the first time inDeathly Hallows: Part 1.

When Yaxley sees their safe house, Hermione brings the trio to a secluded wooden area to hide.

7Bombarda

The Exploding Charm

Hermione always knows the exact spell needed in any situation.

Harry Potter and the Sorcerer’s Stone Movie Poster

An orphaned boy enrolls in a school of wizardry, where he learns the truth about himself, his family and the terrible evil that haunts the magical world.

When tryouts begin, both are put to the test.

It makes him jerk away from the goalpost, allowing someone to score.

Ron is then crowned the victor and is offered a spot on the team.

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She has always firmly believed in the rules.

So, the one charm she uses unfairly is memorable, to say the least.

This spell works wonders in this scenario because it freezes them all simultaneously.

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It would’ve been hard to point her wand at each one while using the stunning spell, Stupefy.

However, that’s not how Hermione remedies the situation in the books.

She’s able to freeze only two pixies.

Emma Watson as Hermione performs Homenum Revelio in Harry Potter and the Order of the Phoenix.

Image via Warner Bros.

Still, the inaccuracy doesn’t diminishhow cool it iswhen Hermione lets out the spell.

The second installment of boy wizard Harry Potter’s adventures at Hogwarts School of Witchcraft and Wizardry.

It’s not exactly ethical that Hermione uses Petrificus Totalus on Neville.

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Her next use of the curse is, of course, in self-defense and no less cool.

Hermione overhears and shows him a trophy with his father’s name on it.

They run once they hear Filch’s (David Bradley) cat and arrive at a locked door.

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Using Alohomora definitely gets Hermione a little respect, so it’s one of her most memorable spells.

Hermione is quick on her feet when she uses Alohomora on the third-floor door.

Despite it being a simple spell, the moment it’s used makes it feel pretty special.

Hermione, played by Emma Watson, performing Protego in ‘Harry Potter and the Deathly Hallows: Part 1.'

Image via Warner Bros.

Ron and Harry are impressed, too, as they had no clue about it.

Using Alohomora definitely gets Hermione a little respect, so it’s one of her most memorable spells.

She says the spell with blinding clarity and a perfect flick of her wrist.

Hermione, played by Emma Watson, performing Bombarda in ‘Harry Potter and the Prisoner of Azkaban.'

Image via Warner Bros.

Her scolding of Ron and his pronunciation is also hard to forget.

However, byDeathly Hallows: Part 1,Hermione has become a master at it.

After stunning Dolohov, Ron suggests Hermione wipe his memory as she’s the best at spells.

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Harry Potter, Ron Weasley, and Hermione Granger return to Hogwarts School of Witchcraft and Wizardry for their third year of study, where they delve into the mystery surrounding an escaped prisoner, Sirius Black, who poses a dangerous threat to the young wizard.

Hermione seems upset at having to use the charm on Dolohov.

All she does know is that she has to help protect her friends and herself.

NEXT:The 13 Strongest Patronuses in ‘Harry Potter,’ Ranked

Emma Watson as Hermione smiles after performing Confundo in Harry Potter and the Half-Blood Prince.

Image via Warner Bros.

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As Harry Potter begins his sixth year at Hogwarts, he discovers an old book marked as “the property of the Half-Blood Prince” and begins to learn more about Lord Voldemort’s dark past.

Hermione, played by Emma Watson, performing Immobulus in Harry Potter and the Chamber of Secrets.

Image via Warner Bros.

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The second installment of boy wizard Harry Potter’s adventures at Hogwarts School of Witchcraft and Wizardry. A mysterious elf tells Harry to expect trouble during his second year at Hogwarts, but nothing can prepare him for trees that fight back, flying cars, spiders that talk and deadly warnings written in blood on the walls of the school.

Emma Watson as Hermione with her wand performs Petrificus Totalus in Harry Potter and the Sorcerer’s Stone

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Hermione, played by Emma Watson, performing Alohomora in Harry Potter and the Sorcerer’s Stone.

Image via Warner Bros.

Emma Watson as Hermione looks sad, performing Obliviate in Harry Potter and the Deathly Hallows: Part 1.

Image via Warner Bros.

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