Obscure Harry Potter Spells List and What They Do

Gryffindor student looking through spellbook

Step beyond the familiar incantations and explore this magical list of overlooked Harry Potter spells and what they do.

The world of Harry Potter is filled with enchantments, some dazzling and dramatic, others clever and quietly powerful.
Most fans can recite Expelliarmus, Lumos and Alohomora without hesitation, but there’s a whole category of magic that doesn’t get the attention it deserves.

In this article, we’re sharing an overlooked Harry Potter spells list featuring ten of the most obscure, underappreciated spells from the original book series. These may not be shouted in epic duels, but they add depth, character and a touch of unexpected magic to the wizarding world.

Let’s dive into the magic you may have missed…

1. Waddiwasi

  • Effect: Launches a small object at high speed
  • Book Appearance: Prisoner of Azkaban
  • Used by: Professor Lupin to shoot a wad of gum out of a keyhole

A playful and oddly specific charm, Waddiwasi is one of the quirkiest spells in the series. Lupin uses it with casual precision, sending a stubborn piece of chewing gum flying out of a keyhole and into Peeves’s nose. It’s rarely mentioned again, but it’s hard to forget!

Lupin’s casual use of it against Peeves is equal parts clever and hilarious. It may not be a spell with grand purpose, but it shows how magical creativity can be used in surprisingly mischievous ways.

2. Episkey

  • Effect: Heals minor injuries
  • Book Appearance: Half-Blood Prince
  • Used by: Nymphadora Tonks to heal Harry’s broken nose. (Note: Luna Lovegood performs this in the film version, but in the book it’s Tonks who casts the spell.)

A handy spell for minor first aid, Episkey is used by Tonks with a simple flick to mend Harry’s nose after a rough landing. It doesn’t have the grandeur of something like Vulnera Sanentur, but it’s practical, efficient and exactly the sort of spell you’d expect magical parents or teachers to know.

3. Muffliato

  • Effect: Fills nearby ears with buzzing so others can’t hear private conversations
  • Book Appearance: Half-Blood Prince
  • Used by: Harry and Hermione to speak in secret

One of the most useful and underappreciated spells in the books, Muffliato is taken directly from the Half-Blood Prince’s scribbled notes. It’s brilliant for stealthy conversations in corridors or during a covert plan. You can’t beat a charm that silences eavesdroppers without alerting them.

4. Obscuro

  • Effect: Conjures a blindfold over the target’s eyes
  • Book Appearance: Deathly Hallows
  • Used by: Hermione on Phineas Nigellus Black’s portrait

Hermione uses Obscuro to stop a portrait from spying on the trio’s movements. It’s a spell of subtle brilliance, being non-violent, but highly effective. The blindfold appears instantly, allowing her to take quick action without confrontation.

5. Levicorpus

  • Effect: Hoists the victim into the air by their ankle
  • Book Appearance: Half-Blood Prince
  • Used by: Harry (from the Half-Blood Prince’s textbook), originally created by Snape

One of the most memorable yet rarely discussed spells, Levicorpus was famously used by James Potter on Snape in a humiliating school prank. It’s visually ridiculous and exactly the kind of spell mischievous students would pass around behind the professor’s back. There’s also a counter-spell: Liberacorpus.

6. Langlock

  • Effect: Sticks the victim’s tongue to the roof of their mouth
  • Book Appearance: Half-Blood Prince
  • Used by: Harry on Peeves and Argus Filch

Another spell from the Half-Blood Prince’s book, Langlock is a cheeky, non-lethal way of silencing someone – especially annoying poltergeists or nosy caretakers. It’s practical for stopping interruptions, though perhaps ethically questionable when used on staff!

7. Duro

  • Effect: Turns objects into solid stone
  • Book Appearance: Deathly Hallows
  • Used by: Hermione during the Battle of Hogwarts escape

A transfiguration spell with tactical potential, Duro is used by Hermione to harden a tapestry into stone, creating a barricade. It’s an overlooked spell that could easily double as a defensive or architectural tool in other magical situations.

8. Portus

  • Effect: Turns an object into a Portkey
  • Book Appearance: Order of the Phoenix
  • Used by: Dumbledore to send students safely back to Hogwarts

Though Portkeys are a major plot point, the spell Portus is only mentioned once. It’s tightly regulated by the Ministry, making it an example of how some spells are magically powerful but legally restricted. Dumbledore uses it with authority and ease, highlighting his exceptional magical standing.

9. Cave Inimicum

  • Effect: Strengthens an area against intruders
  • Book Appearance: Deathly Hallows
  • Used by: Hermione while setting up camp

Cave Inimicum is part of a series of protective enchantments the trio uses to hide from Death Eaters. It’s layered magic, suggesting this charm contributes to masking their presence or setting magical boundaries. Not flashy, but incredibly useful.

10. Homenum Revelio

  • Effect: Detects human presence nearby
  • Book Appearance: Deathly Hallows
  • Used by: Hermione at 12 Grimmauld Place

This spell is particularly useful when hiding, or checking whether someone is spying on you. Hermione uses it to detect hidden figures when entering Grimmauld Place. It’s a rare example of a spell with stealth applications.

Note: Don’t confuse Homenum Revelio with the simplified Revelio spell used in the game Hogwarts Legacy. The latter is a game mechanic and although similar, it doesn’t appear in the original book series.

What This Harry Potter Spells List Reveals

These overlooked spells may not get the spotlight, but they show the depth of the magical world J.K. Rowling created.

Each has its own charm (pun intended!), with creative applications, funny outcomes, or tactical usefulness. From practical fixes like Episkey to trickster tools like Langlock, they reflect a living, breathing world where magic is woven into daily life.

They also encourage us, as fans, to look beyond the surface of the story. The deeper we read, the more magic we find.

So the next time someone thinks all spells in Harry Potter begin and end with Lumos or Expelliarmus, you can casually mention Waddiwasi and enjoy their confusion.

Would your magical self use stealth spells, healing charms, or strategic transfiguration? Let us know in the comments which of these spells is your favourite, or which one you’d love to cast!

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