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The Problems of Time Travel by
ctc1000 reviews
A massive change to the time line creates a world where Harry Potter attends a different Hogwarts. When he meets Hermione Granger again, dark clouds gather, and Harry has to deal with the challenges of being a hero. Harry has a clue, but his enemies are deadlier than canon. Year 4. Some action, some politics, some banter.
Harry Potter - Rated: T - English - Adventure - Chapters: 47 - Words: 191,360 - Reviews: 227 - Favs: 280 - Follows: 353 - Updated: 3/14 - Published: 10/31/2018 - Harry P., Hermione G. - Complete
Antithesis by
Oceanbreeze7 reviews
Revenge is the misguided attempt to transform shame and pain into pride. Being forsaken and neglected, ignored and forgotten, revenge seems a fairly competent obligation. Good thing he's going to make his brother pay. Dark!Harry! Slytherin!Harry! WrongBoyWhoLived.
Harry Potter - Rated: T - English - Hurt/Comfort/Angst - Chapters: 81 - Words: 483,433 - Reviews: 1897 - Favs: 2,917 - Follows: 3,111 - Updated: 10/31/2018 - Published: 6/27/2016 - Harry P., Voldemort - Complete
Lady Archimedes by
White Squirrel reviews
Sequel to The Arithmancer. Years 5-7. Armed with a N.E.W.T. in Arithmancy after Voldemort's return, Hermione takes spellcrafting to new heights and must push the bounds of magic itself to help Harry defeat his enemy once and for all.
Harry Potter - Rated: T - English - Chapters: 82 - Words: 597,295 - Reviews: 5576 - Favs: 4,152 - Follows: 4,731 - Updated: 7/7/2018 - Published: 8/22/2015 - Harry P., Hermione G., George W., Ginny W. - Complete
Death of Today by
Epic Solemnity reviews
COMPLETE LV/HP: Raised in a Muggle orphanage, Harry arrives at Hogwarts a bitter boy. Unusually intelligent, he's recruited by the Unspeakables and the Death Eaters at a young age. As he grows older, he constantly has to struggle to keep his footing around a manipulative and bored Dark Lord, who fancies mind games and intellectual entertainment.
Harry Potter - Rated: M - English - Suspense/Adventure - Chapters: 71 - Words: 500,882 - Reviews: 8376 - Favs: 9,345 - Follows: 4,712 - Updated: 7/2/2018 - Published: 9/26/2009 - [Voldemort, Harry P.] Lily Evans P., Lucius M. - Complete
The Accidental Animagus by
White Squirrel reviews
Harry escapes the Dursleys with a unique bout of accidental magic and eventually winds up at the Grangers' house. Now, he has what he always wanted: a loving family, and he'll need their help to take on the magical world and vanquish the dark lord who has pursued him from birth. Years 1-4. Sequel posted.
Harry Potter - Rated: T - English - Chapters: 112 - Words: 697,191 - Reviews: 4782 - Favs: 7,708 - Follows: 6,929 - Updated: 7/30/2016 - Published: 11/20/2013 - Harry P., Hermione G. - Complete
The Arithmancer by
White Squirrel reviews
Hermione grows up as a maths whiz instead of a bookworm and tests into Arithmancy in her first year. With the help of her friends and Professor Vector, she puts her superhuman spellcrafting skills to good use in the fight against Voldemort. Years 1-4. Sequel posted.
Harry Potter - Rated: T - English - Chapters: 84 - Words: 529,133 - Reviews: 4523 - Favs: 5,479 - Follows: 3,835 - Updated: 8/22/2015 - Published: 1/31/2014 - Harry P., Ron W., Hermione G., S. Vector - Complete