Albus Dumbledore is one of the principal characters of the Harry Potter series, and the impact he had on the story is undeniable. From his appearance in Harry Potter and the Sorcerer's Stone all the way to the final book, Dumbledore greatly affected the Wizarding World around him.

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But how was he affected? How did his character change from the beginning of the series to the end? Read on if you want to know all the major ways Dumbledore changed from Sorcerer's Stone to Deathly Hallows.

10 Being Alive To Dead

The biggest change Albus Dumbledore went through between Sorcerer's Stone and Deathly Hallows was going from being alive to being dead. While this might not be the most dynamic of character development changes, it is definitely the most obvious difference. Dumbledore perished in the sixth entry in the series, Harry Potter and the Half-Blood Prince, after being "murdered" by Severus Snape. His loss was felt by every student at Hogwarts.

9 Flat Character To Round Character

Fantastic Beasts 2 Jude Law as Dumbledore

If you haven't read Harry Potter and the Sorcerer's Stone (or seen the movie) in a while, you should take a look back at how they portrayed Dumbledore. For the most part, Dumbledore comes across as the kindly and wise Headmaster, with an array of static character attributes. As the series progresses, so does Dumbledore. He becomes a character with nuances to his personality, taking on a form that goes beyond his profession of best Hogwarts professor.

8 Richard Harris To Michael Gambon

This particular change applies only to the movie version of Albus Dumbledore. In Sorcerer's Stone and Chamber of Secrets, the character of Dumbledore is played by actor Richard Harris. In every film subsequent to those two, actor Michael Gambon takes on the role. Both actors did the character justice.

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And thanks to the power of costuming and make-up, they were both able to sport Dumbledore's iconic white beard, spectacles, and long-flowing robes.

7 Unimpeachable Morality To Questionable

At the start of the Harry Potter series, Dumbledore has this ultimate aura of fairness and morality to him. He's the person Harry can turn to for advice on how to do the right thing. But as the story goes on, readers and viewers learn that Dumbledore's past is speckled with moments of shocking immorality. During his early childhood, he believed in some anti-Muggle sentiments that his friend Grindelwald shared. Dumbledore inspired more complicated feelings after fans learned of this.

6 Mysterious To Understandable

In Harry Potter and the Sorcerer's Stone, Dumbledore is shrouded in mystery. For example, when Harry asked him what he saw when he looked in the Mirror of Erised, Dumbledore inscrutably stated that he saw himself holding a pair of socks. As the franchise went on, readers and moviegoers were able to learn more about Dumbledore's past, making him less of a mystery. Instead of a foggy wall, fans could begin to see through to his true motivations.

5 Distant Professor To Close Friend Of Harry's

Harry Potter started his time at Hogwarts as an ordinary student, albeit a very famous one. Dumbledore was just his Headmaster. However, by the time we reached Harry Potter and the Half-Blood Prince, Dumbledore had become much more of a personal mentor to Harry. In fact, it wouldn't be too far from the truth to call them friends. Looking at Sorcerer's Stone, you would never guess that the two of them would go on to hunt down Voldemort's horcruxes together later on.

4 Permissive To Manipulative

Hogwarts in general, but Dumbledore specifically, are incredibly permissive when it comes to student freedom. Treating students fairly and allowing them to be independent is a hallmark of early Dumbledore.

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However, by the time Deathly Hallows rolls around, readers and viewers learn how permissive and controlling Dumbledore really was. He manipulated Harry, Snape, his teachers, the Ministry, and even other students on occasion.

3 All-Powerful To Weaker

Despite his advanced age, Albus Dumbledore comes across as a powerful wizard. Even from the first book/movie, he is touted as the one wizard that Voldemort is afraid to go up against. As the series progresses, we get glimpses of the might behind Dumbledore's long, white beard. However, when Harry Potter and the Half-Blood Prince begins, we start to see the frailty that has started to take hold of Dumbledore. Admittedly, this is in large part due to the curse gripping his hand after he attempted to destroy a horcrux.

2 Trusting Of Snape, To Fooled By Him, And Back Again

As regards Dumbledore's relationship with Severus Snape, readers and viewers' opinions go through massive changes. At first, it's believed that Dumbledore trusts Snape for very good reason despite Snape's nasty behavior. Then, when Snape kills him in Half-Blood Prince, fans are led to believe that Dumbledore was fooled by Snape the whole time. Finally, Deathly Hallows shows us the true nature of Dumbledore's relations with Snape. It was a roller coaster of emotions for fans.

1 Bastion Of Good To Human

In Harry Potter and the Sorcerer's Stone and the first few entries in the series, Dumbledore appears to be an almost unreal bastion of goodwill. Above all other characters, he is kind, astute, and virtuous. Harry and readers alike place Dumbledore on this principled pedestal. But by Deathly Hallows, it's clear that placing Dumbledore in such high esteem was a tad unfair to him. At the end of the day (and by the end of the series), Dumbledore is only human.

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