Expecto Patronum is most powerful and famous protection spell of wizarding world. It is very hard to do and complicated. This spell allows caster to summon a positive energy area called “Patronus“. Wizards are usually use this spell when they are desperate. It can be used against creatures like Dementors and Lethifolds.

The Patronus that created with this spell might be appeared in a form or could be shapeless. If Patronus appear without a shape, it can’t effect to Dementors. Even this rule applies for every wizard, there is an only one exception who is Remus Lupin. Even his Patronus is shapeless, it has the same effects with others.

As it written in historical records that scraped on trees, Expecto Patronum spell had been using by wizards since ancient eras. Its creator or first user is unknown, but every source points this spell has a great importance.

According to legends, a wizard called Illyius has defeated famous dark wizard Raczidian and his army of dementors alone, only with rat shaped Patronus.

Harry Potter used Expecto Patronum for many times in his life. He also thought this spell to his friends when he was teaching in Dumbledore’s Army. Expecto Patronum is very complicated and requires a lot of knowledge. Nevertheless, Harry Potter is known by casting very powerful Expecto Patronum spell. Patronuses also used by Order of Phoenix to deliver messages.

Known Users of the Spell

• Aberforth Dumbledore
• Albus Dumbledore
• Andros the Undefeatable
• Arthur Weasley
• Cho Chang
• Dolores Umbridge
• Ernie Macmillan
• Flavius Belby
• Ginny Weasley
• Harry Potter
• Hedley Fleetwood
• Hermione Granger
• Illyius
• James Potter
• Kingsley Shacklebolt
• Lilly Potter
• Luna Lovegood
• Minerva McGonagall
• Nymhadora Tonks
• Remus Lupin
• Ron Weasley
• Seamus Finnigan
• Severus Snape
• Symposia Rawle

Known Shapes of Patronus

• Abraxan Winged Horse
• Adder
• Albatros
• Badger
• Basset Hound
• Bat
• Beagle
• Black and White Cat
• Black Bird
• Black Horse
• Black Mamba
• Black Stallion
• Black Stallion
• Black Swan
• Bloodhound
• Borzoi
• Brown Bear
• Brown Owl
• Brown Rabbit
• Buffalo
• Hawk
• Stag
• Weasel
• Wolf

Even those are the most common Patronus shapes, including this list, there are 146 different known Patronus present.

Where it Mentioned?

• Harry Potter and Prisoner of Azkaban (First Time – Book, Movie and Video Game)
• Harry Potter and Goblet of Fire (Book, Movie and Video Game)
• Harry Potter and Order of Phoenix (Book, Movie and Video Game)
• Harry Potter and Half-Blood Prince (Book, Movie and Video Game)
• Harry Potter and Deathly Hallows 1-2-3 (Book, Movie and Video Game)
• Harry Potter for Kinect (Video Game)
• Harry Potter: Spells (Mobile Game)
• Pottermore