0
Cedric Diggory being more important so his death is sad
0
Harry not living with the Dursleys
0
The Dursleys not being abusive
0
Goblet of Fire not having a romantic subplot
0
Harry not having a crush on Cho Chang
0
The Weasley twins not being annoying
0
Harry saving more than 2 people in Goblet of Fire
0
No professor Umbridge
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Harry wanting to win the Triwizard Tournament
0
More information about Hufflepuff and Ravenclaw
0
Remus Lupin and Nymphadora Tonks still alive
0
Harry living with Sirius
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End of rivalry between Slytherin and the three other houses
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Harry and Hermione together
0
Less hate for Slytherin house
0
More information about other wizarding schools
0
The series having a more generic name, rather than being named after the protagonist
0
Hagrid marring Madame Maxime
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Lily and James raising Harry Potter
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Sirius and Regulus Black make amends with each other
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Alice and Frank Longbottom raising Neville
0
More information about Bartemius Crouch Jr.
0
The Troll Mirror (Hans Christian Anderson's Snow Queen)
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Magical spells that easily revive and resurrect the dead
0
More information about the Granger family
0
Character development for the entire Slytherin house
0
More Magical Beings
0
More information about Flora and Hestia Carrow
0
More information about Fabian and Gideon Prewett
0
Regulus Black still alive
0
Cedric Diggory still alive
0
Crossovers With The Worst Witch