He may be the titular character, but Harry is far from the most powerful wizard in the wizarding world. Sure, he does eventually go on to take down the greatest dark wizard of all time, but his success comes more as a result of his mother's sacrifice and the support of his friends than it does his own brilliance.
Godrick Gryffindor, one of the four founders of Hogwarts, and the owner of the legendary Sword of Gryffindor, was absolutely more powerful than Dumbledore— and it's a good thing he was, too, because Dumbledore wasn't around in Hogwarts' early days to keep Godrick's fellow founder Salazar Slytherin in check.
12 More Powerful: Severus Snape
He was the Half-Blood Prince, as well as the maker of several powerful spells. Severus Snape might have pretended to serve Voldemort (while in fact, as we all know, working as a double agent for Dumbledore), but there's almost no question he was more powerful than the Dark Lord.
Gellert Grindelwald
After falling out with Dumbledore, he became the master of the most powerful Elder Wand and led a years-long crusade against the Wizarding World.
Lord Voldemort
Tom Marvolo Riddle started both Wizarding Wars, created the Death Eaters and killed Harry Potter's parents. We could go on – he was the most dangerous Dark wizard of all time – but we won't.
I'd say Kingsley, McGonagall, Moody, Bellatrix, Flitwick, and Snape together could beat Voldemort in a duel. So a total of 6 wizards.
Lord Voldemort. Tom Riddle was known to be the most powerful and dangerous Dark wizard of all time.
Harry James Potter holds half-blood status in Rowling's imagined wizarding world because his mother is Muggle-born and his father is pure-blood. There are three main blood statuses; pure-blood, half-blood, and Muggle-born, which are all methods of determining a witch or wizard's magical lineage.
Avada Kedavra
Topping the list for the most powerful spells in the Harry Potter universe is no other than Avada Kedavra, Voldemort's favorite to instill his will and fear onto others. The spell itself is a play on Abra Kadabra and is easy to cast by just about anyone in the Wizarding World.
Harry was never the true Heir of Slytherin through his family line. He was able to speak to snakes due to having part of Voldemort's soul embedded in his lightning-shaped scar (CS18, DH33). The "Heir" was the soul-bit of Tom Riddle left behind in the Horcrux diary.
[Harry Potter] Voldemort was more powerful than Dumbledore; Dumbledore was more powerful than Grindlewald. In some of the backstory of the Harry Potter books we learn that Dumbledore acquired the Elder Wand by defeating Grindlewald in a duel.
Harry recognizes her as his year's best student and even said so at some point. But while Hermione can ace any test, she can't quite keep up with Harry on the battlefield. To her credit, Hermione is capable of advanced spells beyond her years, and she knows when and where to cast them.
1. Albus Dumbledore. Albus Dumbledore, 'Considered by many the greatest wizard of modern times' as it says on his Chocolate Frog card, is top of our duelling second wish list.
Besides Dumbledore, he is also the only wizard ever known to be able to apparate silently. Voldemort was also said to fear one wizard alone, Dumbledore.
Voldemort apparently believes nothing is worse than death; perhaps his greatest weakness is his inability to love. This is because his mother, Merope Gaunt, gave Tom Riddle Senior (Voldemort's father) a love potion. Because Voldemort was conceived under a love potion, he isn't able to feel or express love in his life.
Harry became so enamoured with the spell that he eventually used it to finish off Lord Voldemort. Here's how Harry's relationship with Expelliarmus became his signature – and why that's a good and bad thing.
History Of Avada Kedavra
The Killing Curse was created in the early Middle Ages by Dark witches and wizards. Primarily, the curse was used to quickly slay opponents during a duel.
Throughout the Harry Potter series, Albus Dumbledore, the beloved Headmaster of Hogwarts, proved time and time again that he was the smartest hero of the Wizarding World. His magic was so strong and his knowledge so extensive that he was the only wizard Voldemort was said to be afraid of.
Although he was intelligent and bookish, Quirinus Quirrell was the weakest of the Hogwarts professors—mostly due to his extremely timid nature. He taught the Muggle Studies course for several years before going in search of the vanquished Voldemort.
Barry Wee Willie Winkle (b. 14 August, 1236) was the oldest known wizard in the 1990s, when he reached the age of 755. To celebrate the occasion, he held a massive party, inviting every wizard and witch he had ever known, a total of thirty million people. It was one of the biggest parties in wizarding history.
For example, in Harry Potter and the Deathly Hallows – Part 2, Snape was reluctant to fight McGonagall when the latter took him to a duel in front of Hogwarts students. Both characters had their strengths, but the last Harry Potter movie proved Snape was the strongest Hogwarts professor.
Following Lord Voldemort's defeat at the hands of her student Harry Potter and the deaths of Headmasters Albus Dumbledore and Severus Snape, McGonagall takes the position of Headmistress.