Sort: Category . Published . Updated . Title . Words . Chapters . Reviews . Status .
Lost Magic: First Contact
by MightyFish reviews
A man is left trapped in time, while his world dies around him. Now awakened in the distant future, he leaves the planet of his birth and embarks on a journey to find that which was lost. But the new frontier holds many dangers, and the human race is about to face its first great challenge. A HP/ME crossover. Slow pace, rated M for safety, my profile has more details.
Crossover - Harry Potter & Mass Effect - Rated: M - English - Adventure/Sci-Fi - Chapters: 9 - Words: 143,146 - Reviews: 493 - Favs: 1,448 - Follows: 1,841 - Updated: 6/26 - Published: 2/4 - Harry P.
by hiholly123 reviews
After stumbling across a large source of magic in Britain, Foaly sends none other than Artemis Fowl to investigate Hogwarts School of Witchcraft and Wizardry, disguised as an exchange student from Ireland. A/Holly if you'd like to read it that way. T for occasional language.
Crossover - Harry Potter & Artemis Fowl - Rated: T - English - Adventure/Drama - Chapters: 22 - Words: 60,482 - Reviews: 362 - Favs: 288 - Follows: 427 - Updated: 6/23 - Published: 8/12/2011 - Harry P., Artemis F. - Complete
Silly but Killy
by Palladius reviews
What if there were no Humans in Mass Effect? What if there were Orks instead? The Council would have a lot less sleep, for one thing.
Crossover - Warhammer & Mass Effect - Rated: T - English - Humor/Sci-Fi - Chapters: 14 - Words: 41,566 - Reviews: 457 - Favs: 636 - Follows: 664 - Updated: 6/17 - Published: 7/30/2014
Mass Effect: Human Revolution
by IgnusDei reviews
Adam Jensen finds himself in a time only dreamed of in vids, humanity is now part of a great galactic community that fears synthetics, and he struggles to find his place within it. Note: Primarily a DX/ME crossover, with elements borrowed and integrated from other Square Enix franchises.
Crossover - Deus Ex & Mass Effect - Rated: M - English - Sci-Fi/Supernatural - Chapters: 58 - Words: 715,339 - Reviews: 1686 - Favs: 1,499 - Follows: 1,556 - Updated: 6/12 - Published: 3/12/2012
Avatar of Victory
by James Golen reviews
The Cycle of the Avatar has held for thousands of years. Other Cycles can stretch far, far longer. An A:tLA/Mass Effect Cross-Over
Crossover - Avatar: Last Airbender & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 73 - Words: 1,705,032 - Reviews: 531 - Favs: 427 - Follows: 404 - Updated: 6/6 - Published: 5/8/2012 - Shepard (F)
With Strength of Steel Wings
by AngelaStarCat reviews
A young Harry Potter, abandoned on the streets, is taken in by a man with a mysterious motive. When his new muggle tattoo suddenly animates, he is soon learning forbidden magic and planning to infiltrate the wizarding world on behalf of the "ordinary" people. But nothing is ever that black and white. (Runes, Blood Magic, Parseltongue, Slytherin!Harry) (SEE NOTE 1st Chapter)
Harry Potter - Rated: M - English - Adventure/Angst - Chapters: 38 - Words: 719,300 - Reviews: 1460 - Favs: 1,892 - Follows: 2,293 - Updated: 6/4 - Published: 2/22/2013 - Harry P., Hermione G., Draco M., Fawkes
by Rorschach's Blot reviews
Odd little one shots that may or may not be turned into their own stories.
Harry Potter - Rated: M - English - Humor - Chapters: 158 - Words: 711,366 - Reviews: 9336 - Favs: 3,787 - Follows: 2,912 - Updated: 5/29 - Published: 9/4/2005
Hogwarts Battle School
by Kwan Li reviews
AU. Voldemort kills Dumbledore but is defeated by a child. In the aftermath, Snape becomes the Headmaster and radically changes Hogwarts. Harry Potter of House Slytherin begins his Third Year at Hogwarts Battle School and realizes that friend and foe are too similar for his liking. Competing with allies and enemies, Harry finds there is a cost to winning.
Harry Potter - Rated: M - English - Adventure/Romance - Chapters: 47 - Words: 328,069 - Reviews: 1786 - Favs: 2,065 - Follows: 2,452 - Updated: 5/26 - Published: 7/31/2012 - Harry P., Hermione G., Severus S.
Getting Too Old For This
by ManMadeofLasers reviews
Immortality is a hell of a lot less fun than it sounds, especially when all you want is to be left alone but your conscience won't let you. Harry Potter and his usual bipolar luck live on into the 22nd century, his saving-people-thing meshing nicely with the galaxy's pressing need for a hero. Rated M for unrepentant coarse language, innuendo, and eventual sexy shenanigans
Crossover - Harry Potter & Mass Effect - Rated: M - English - Humor/Adventure - Chapters: 14 - Words: 53,289 - Reviews: 682 - Favs: 2,089 - Follows: 2,521 - Updated: 5/4 - Published: 12/14/2014
by ArcturusWolf reviews
Nirn has been unified under the banner of the Empire, and its subjects reach to the stars. Fearing contact by a hostile species, they build up their military might; what will happen when an intrepid Batarian slaver ring opens a Mass Relay and attacks this Empire? Will they ever accept peace? M: V/L
Crossover - Elder Scroll series & Mass Effect - Rated: M - English - Chapters: 18 - Words: 126,610 - Reviews: 373 - Favs: 733 - Follows: 905 - Updated: 5/4 - Published: 7/24/2013 - Dragonborn/Dovahkiin, Shepard (F)
by erbkaiser reviews
In the summer prior to fifth year, Andromeda Tonks finds out her daughter Nymphadora has set her sights on Remus Lupin. She's not happy with this, and tricks Tonks into going for Harry Potter instead. What starts out as a way to "get back" at her parents, turns into an uncommon romance... Canon until the start of Book 5 'Order of the Phoenix', mild lemons.
Harry Potter - Rated: M - English - Romance/Friendship - Chapters: 26 - Words: 89,035 - Reviews: 1853 - Favs: 3,462 - Follows: 4,514 - Updated: 4/14 - Published: 4/9/2014 - [Harry P., N. Tonks] Hermione G.
Harry Potter and the Power of Paranoia
by arekay reviews
The events at the end of the Triwizard Tournament have left Harry feeling just a little bit paranoid.
Harry Potter - Rated: T - English - Humor - Chapters: 23 - Words: 103,719 - Reviews: 3563 - Favs: 5,036 - Follows: 5,611 - Updated: 3/31 - Published: 6/26/2012 - Harry P. - Complete
by AngelaStarCat reviews
Harry Potter is not standing up in his crib when the Killing Curse strikes him, and the cursed scar has far more terrible consequences. But some souls will not be broken by horrible circumstance. Some people won't let the world drag them down. Strong men rise from such beginnings, and powerful gifts can be gained in terrible curses. (HP/HG, Scientist!Harry)
Harry Potter - Rated: M - English - Adventure/Friendship - Chapters: 16 - Words: 94,591 - Reviews: 778 - Favs: 1,845 - Follows: 2,443 - Updated: 3/18 - Published: 1/1 - Harry P., Hermione G.
Harry Potter and the Methods of Rationality
by Less Wrong reviews
Petunia married a biochemist, and Harry grew up reading science and science fiction. Then came the Hogwarts letter, and a world of intriguing new possibilities to exploit. And new friends, like Hermione Granger, and Professor McGonagall, and Professor Quirrell... COMPLETE.
Harry Potter - Rated: T - English - Drama/Humor - Chapters: 122 - Words: 661,619 - Reviews: 30229 - Favs: 16,583 - Follows: 14,536 - Updated: 3/14 - Published: 2/28/2010 - Harry P., Hermione G. - Complete
by theaceoffire reviews
A young boy in a dark cupboard is in great pain. An unusual power will allow him to heal himself, help others, and grow strong in a world of magic. Eventual God-like Harry, Unsure of eventual pairings. Alternate Universe, possible universe/dimension traveling in the future. Updated on weekends.
Harry Potter - Rated: M - English - Adventure/Humor - Chapters: 64 - Words: 267,060 - Reviews: 3331 - Favs: 4,940 - Follows: 5,435 - Updated: 3/8 - Published: 2/22/2014 - Harry P.
Harry Potter and the Natural 20
by Sir Poley reviews
Milo, a genre-savvy D&D Wizard and Adventurer Extraordinaire is forced to attend Hogwarts, and soon finds himself plunged into a new adventure of magic, mad old Wizards, metagaming, misunderstandings, and munchkinry. Updates Fridays.
Crossover - Harry Potter & Dungeons and Dragons - Rated: T - English - Chapters: 72 - Words: 301,307 - Reviews: 5299 - Favs: 3,789 - Follows: 4,350 - Updated: 2/27 - Published: 5/7/2012
Hermione Granger and the Prince of Serpents
by CreatorZorah reviews
At the age of five Harry turns into a snake. Five years later he saves a girl named Hermione.
Harry Potter - Rated: T - English - Adventure/Friendship - Chapters: 36 - Words: 77,496 - Reviews: 1524 - Favs: 2,345 - Follows: 3,025 - Updated: 2/2 - Published: 5/21/2012 - Hermione G., Harry P.
Firebird's Fury: Book III of the Firebird Trilogy
by Darth Marrs reviews
They had a plan, formulated from before they were even born. That plan died. From its ashes rises a Harry Potter no longer willing, or able, to let others fight his battles for him. Outgunned, outclassed, outmatched, nonetheless Harry will take up the sword to change not only Britain, but the world.
Harry Potter - Rated: M - English - Drama/Fantasy - Chapters: 36 - Words: 168,312 - Reviews: 1613 - Favs: 1,371 - Follows: 1,348 - Updated: 1/24 - Published: 5/24/2014 - Harry P., Luna L. - Complete
Birds of a Feather
by Sleeper 3173 reviews
Something happens during Harry's final summer at the Dursleys that forces him and Hedwig to flee before anyone expected them to. On the run, Harry comes to terms with his destiny and embraces something worth fighting for as the world plunges into war.
Harry Potter - Rated: M - English - Angst/Romance - Chapters: 13 - Words: 43,734 - Reviews: 303 - Favs: 788 - Follows: 1,119 - Updated: 12/27/2014 - Published: 5/28/2012 - Harry P., Hedwig
The Handbook of Elf Psychology
by evansentranced reviews
Sequel to Fantastic Elves and Where to Find Them! Harry is captured by wizards and brought to a castle. The wizards are obnoxious, but there's a lovely wood nearby which is quaintly named the "Forbidden" Forest. Harry thinks that's adorable.
Harry Potter - Rated: T - English - Humor/Adventure - Chapters: 14 - Words: 92,714 - Reviews: 2072 - Favs: 4,137 - Follows: 5,196 - Updated: 12/3/2014 - Published: 9/8/2012 - Harry P.
To Ride Upon Svadilfari
by Evil Is A Relative Term reviews
For two wizards thrown out of their own world and into another Earth populated by superheroes and gods, it looks to be a treacherous ride as they attempt to return home again. But when has the impossible ever stopped Hermione Granger and Harry Potter?
Crossover - Harry Potter & Thor - Rated: T - English - Adventure - Chapters: 59 - Words: 218,368 - Reviews: 1451 - Favs: 1,797 - Follows: 1,892 - Updated: 10/15/2014 - Published: 12/6/2013 - Harry P., Hermione G., Loki
I'm Still Here
by kathryn518 reviews
The second war with Voldemort never really ended, and there were no winners, certainly not Harry Potter who has lost everything. What will Harry do when a ritual from Voldemort sends him to another world? How will he manage in this new world in which he never existed, especially as he sees familiar events unfolding? Harry/Multi eventually.
Harry Potter - Rated: M - English - Drama/Romance - Chapters: 11 - Words: 215,251 - Reviews: 2005 - Favs: 5,361 - Follows: 6,459 - Updated: 10/10/2014 - Published: 9/21/2013 - Harry P., Hermione G., Fleur D.
Too Many Dates
by fantasy1290 reviews
What if Harry's friends tried to help him out in getting a date to the Yule Ball and he suddenly found himself with too many dates? Hilarity and romance ensues of course. Harry/Multi and eventual harem.
Harry Potter - Rated: M - English - Romance/Humor - Chapters: 34 - Words: 191,890 - Reviews: 1502 - Favs: 2,461 - Follows: 2,660 - Updated: 9/12/2014 - Published: 7/25/2013 - [Harry P., Luna L., Padma P., Daphne G.] - Complete
by Larry Huss reviews
Hermione gets some of the answers early. She has trouble understanding what all the questions are.
Harry Potter - Rated: T - English - Adventure - Chapters: 16 - Words: 114,720 - Reviews: 732 - Favs: 1,207 - Follows: 1,615 - Updated: 9/4/2014 - Published: 5/18/2012 - Hermione G., Harry P.
by Aesla reviews
Sisters are orphaned, split at birth. One's a thief, the other a conwoman. There's paintings, diamond heists, forgotten identities, and an evil corporation. There's also a slow burn romance, which isn't the best when it's with your long-lost sister you never knew you had. So, accidental icest. Eventual Elsanna. Also a mAU, with electro/techno powers.
Frozen - Rated: M - English - Crime/Drama - Chapters: 54 - Words: 223,871 - Reviews: 2012 - Favs: 1,340 - Follows: 1,349 - Updated: 8/31/2014 - Published: 2/25/2014 - [Elsa, Anna] Olaf, Hans - Complete
by DobbyElfLord reviews
Dark curses don't play nice- not even with each other. When nine year-old Harry is bitten by a werewolf, the horcrux fights back. The result could only happen to Harry Potter. Canon-ish for the first three years of Hogwarts - AU from that point forward.
Harry Potter - Rated: T - English - Humor/Adventure - Chapters: 23 - Words: 152,524 - Reviews: 3417 - Favs: 6,707 - Follows: 7,650 - Updated: 8/15/2014 - Published: 5/11/2012 - Harry P.
by Stephen Ratliff reviews
When Harry Potter rescued Hermione Granger from the troll, he didn't expect it to complete a ritual that would give him a real family. Hermione Granger, on the other hand, was doomed to loudly regret that rescue laboring under much pain the next July.
Harry Potter - Rated: M - English - Chapters: 12 - Words: 62,540 - Reviews: 494 - Favs: 1,306 - Follows: 1,572 - Updated: 8/13/2014 - Published: 10/21/2012 - [Harry P., Hermione G.] - Complete
by Silently Watches reviews
Response to Paladeus's challenge "Champions of Lilith". Harry, Hermione, and Luna get a chance to travel back in time and prevent the hell that England became under Voldemort's rule, and maybe line their pockets while they're at it. Lunar Harmony; plenty of innuendo, dark humor; manipulative!Dumbles; jerk!Snape; bad!Molly, Ron, Ginny
Harry Potter - Rated: M - English - Adventure/Humor - Chapters: 50 - Words: 245,544 - Reviews: 5156 - Favs: 6,480 - Follows: 6,193 - Updated: 7/23/2014 - Published: 6/19/2012 - [Harry P., Hermione G., Luna L.] - Complete
Venom, Tears and Potions
by Knife Hand reviews
Events during Second Year have far reaching consequences that no one could have foreseen. Chapter 4 up
Harry Potter - Rated: M - English - Chapters: 4 - Words: 7,167 - Reviews: 91 - Favs: 346 - Follows: 524 - Updated: 7/16/2014 - Published: 1/25/2014 - Harry P., Hermione G.
One Misfired Spell Later
by erbkaiser reviews
Harry is hit by a misfired undoing spell in third year and starts to remember things causing him to flee together with Hermione and a few others, including a godfather he didn't know he had. For Wizarding Britain and Dumbledore in particular old oaths and secrets are now brought to light. Dumbledore bashing, AU. Story ends at the end of the year, continued in a sequel.
Harry Potter - Rated: T - English - Adventure/Family - Chapters: 29 - Words: 102,838 - Reviews: 1908 - Favs: 2,525 - Follows: 3,141 - Updated: 6/16/2014 - Published: 6/19/2013 - [Harry P., Hermione G.] Sirius B., Fleur D. - Complete
The Mission Stays the Same
by Broken Trident reviews
A joke of Chaos daemon sent two unlikely allies - an Eldar Farseer and an Imperial Storm trooper, through the Warp and into another Universe. In this place, everything is alien to them. Except for one thing - war. War is something they know very well.
Crossover - Warhammer & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 19 - Words: 259,050 - Reviews: 1388 - Favs: 2,024 - Follows: 2,111 - Updated: 6/7/2014 - Published: 10/4/2011 - Shepard (F)
Firebird's Song: Book II of the Firebird Trilogy
by Darth Marrs reviews
Hard times lead to hard choices. What's more important? Freedom, or fate? Love, or death? Harry Potter stands on the edge of a precipice, and he is not sure if the right move is to turn and fight, or fall.
Harry Potter - Rated: M - English - Fantasy/Drama - Chapters: 36 - Words: 153,289 - Reviews: 2015 - Favs: 1,965 - Follows: 1,900 - Updated: 5/17/2014 - Published: 8/31/2013 - Harry P., Luna L. - Complete
A Study in Magic
by Books of Change reviews
When Professor McGonagall went to visit Harry Watson, son of Mr. Sherlock Holmes and Dr. Watson, to deliver his Hogwarts letter, she was in the mindset of performing a familiar if stressful annual routine. Consequently she was unprepared for the shock of finding the cause behind Harry Potter's disappearance. BBC Sherlock HP crossover AU
Crossover - Harry Potter & Sherlock - Rated: T - English - Family - Chapters: 82 - Words: 516,000 - Reviews: 4610 - Favs: 4,702 - Follows: 4,326 - Updated: 3/28/2014 - Published: 11/24/2011 - Harry P., Sherlock H., John W. - Complete
Effects and Side Effects
by Pheonix Dawn reviews
Voldemort didn't like what happened at the Department of Mysteries and viewed the connection as a liability he could no longer afford. The steps he took changed Harry's life forever, and set him on the path to victory. Fem Harry. Harry.Multi.
Harry Potter - Rated: M - English - Adventure/Romance - Chapters: 34 - Words: 426,637 - Reviews: 1751 - Favs: 3,170 - Follows: 3,576 - Updated: 2/10/2014 - Published: 10/19/2008 - Harry P.
Harry Potter: The Last Avatar
by The Sorting Cat reviews
Why is Harry Potter considered the worst firebender in Gryffindor? Why doesn't he want to be noticed? Probably the same reason he dreams of drowning every night. [Harry Potter characters in an AU with magic replaced by the elemental powers of Avatar: The Last Airbender / Legend of Korra. Full summary inside.]
Crossover - Harry Potter & Avatar: Last Airbender - Rated: T - English - Adventure/Suspense - Chapters: 15 - Words: 135,342 - Reviews: 1093 - Favs: 2,210 - Follows: 2,596 - Updated: 1/7/2014 - Published: 10/16/2012 - Harry P.
Harry Potter: Game of the Year Edition
by Flux Casey reviews
Harry Potter dies in the graveyard of Little Hangleton. GAME OVER. Start new game? Concept borrowed from Majin Hentai X and Chibi-Reaper.
Harry Potter - Rated: M - English - Adventure/Humor - Chapters: 12 - Words: 37,205 - Reviews: 1355 - Favs: 3,561 - Follows: 4,512 - Updated: 12/24/2013 - Published: 4/23/2012 - Harry P.
Wizard for Hire
by Dark-Syaoran reviews
Do you have a problem that needs fixing? Who better to call than Harry Potter, savior of the wizarding world?
Harry Potter - Rated: M - English - Chapters: 7 - Words: 34,607 - Reviews: 244 - Favs: 1,184 - Follows: 1,537 - Updated: 10/6/2013 - Published: 4/5/2012 - Harry P.
Hair of the Grim
by Nightmare Sired Muse reviews
They say there are many things a wizard shouldn't do while ridiculously drunk; flying, apparition, and testing unknown spells just to name a few. But as the BWL just learned, listening to one of your equally as drunk godfather's 'brilliant ideas' is another one of the things you just shouldn't do. Powerful-Harry/Lily Evans/Lily Luna Potter pseudo-INCEST Time travel Marauder Era
Harry Potter - Rated: M - English - Chapters: 2 - Words: 24,213 - Reviews: 167 - Favs: 924 - Follows: 1,190 - Updated: 9/21/2013 - Published: 7/18/2013 - Harry P., Lily Evans P., Lily Luna P.
Firebird's Son: Book I of the Firebird Trilogy
by Darth Marrs reviews
He stepped into a world he didn't understand, following footprints he could not see, toward a destiny he could never imagine. How can one boy make a world brighter when it is so very dark to begin with? A completely AU Harry Potter universe.
Harry Potter - Rated: M - English - Drama - Chapters: 40 - Words: 172,506 - Reviews: 3605 - Favs: 3,529 - Follows: 3,050 - Updated: 8/24/2013 - Published: 10/21/2012 - Harry P., Luna L. - Complete
Sacrificial Second Chance
by NaruAndHarrHaremFan reviews
Harry dies killing Voldemort,and is given the chance to go to a world where his parents are still alive.See how he handles all that life throws at him.HaremSisterIncest Powerful/Harry NevilleBWL
Harry Potter - Rated: M - English - Chapters: 25 - Words: 226,394 - Reviews: 2471 - Favs: 3,842 - Follows: 4,236 - Updated: 3/10/2013 - Published: 2/4/2012 - Harry P., Cho C.
The Shadow Hunters
by Master of The Blood Wolves reviews
An Inquisition-backed mercenary outfit pursuing a heretic find themselves in an alternate reality that appears to be almost exactly opposite of what they're used to. Their hunt brings them into contact with one Commander Shephard and his own hunt for a wanted fugitive. But something bigger is at stake and the Shadow Hunters are willing to risk almost anything to see it stopped.
Crossover - Warhammer & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 6 - Words: 24,339 - Reviews: 59 - Favs: 61 - Follows: 91 - Updated: 2/18/2013 - Published: 7/21/2012
Hiding in Plain Sight
by Clell65619 reviews
The summer prior to 6th year Harry deals with Tom in a decisive, if accidental manner. That summer Harry gets a girl friend in Susan Bones, and sets about some self improvement. It is after this change to himself he discovers something a bit disturbing about the Wizarding World, something that Hermione Granger is determined to use to her advantage.
Harry Potter - Rated: T - English - Humor/Adventure - Chapters: 1 - Words: 10,665 - Reviews: 391 - Favs: 2,201 - Follows: 620 - Published: 1/23/2013 - Harry P., Susan B. - Complete
Masses to Masses 3
by iNf3ctioNZ reviews
With Shepard gone and the crew disbanded, it should have just been two years waiting. Instead, Garrus and I face a new squad, a new station, new enemies, and a web of crime that's gonna take a hell of an untangling. Welcome to Omega. Welcome to Hell. Thanks to wielkiboss on DeviantArt for the cover.
Mass Effect - Rated: T - English - Adventure/Crime - Chapters: 66 - Words: 396,438 - Reviews: 2379 - Favs: 669 - Follows: 467 - Updated: 11/6/2012 - Published: 6/24/2011 - Garrus V., Aria T'Loak, Lantar Sidonis - Complete
The Little Veela that Could
by Darth Drafter reviews
During the Second Task of the Tri-Wizard Tournament, Headmaster Dumbledore watches his plan for the Greater Good crumble and die. A Veela girl receives the gift of life through the blood and sacrifice of the last Potter. Gabby/Harry w/ a twist.
Harry Potter - Rated: M - English - Adventure/Friendship - Chapters: 32 - Words: 350,784 - Reviews: 1906 - Favs: 2,669 - Follows: 2,309 - Updated: 6/28/2012 - Published: 11/4/2009 - Gabrielle D., Harry P. - Complete
Artemis Fowl: The Book of Ages
by GMontag reviews
Artemis and Holly have accidentally created a time paradox, changing the events of the last eight years. Now the two are thrown into a bleak world where Haven has fallen, and inter-species war has begun. Who can they trust? What can they save? A/H
Artemis Fowl - Rated: T - English - Adventure/Suspense - Chapters: 45 - Words: 171,623 - Reviews: 1234 - Favs: 689 - Follows: 402 - Updated: 12/31/2010 - Published: 8/6/2008 - Artemis F., Holly S. - Complete
by DigiFruit reviews
Hermione is sad that her parents can't relate to her magical life, so Harry learns how to use a muggle camera to take photos that she can mail to them with her letters. Using her as a model, however, makes him realize how beautiful she really is.
Harry Potter - Rated: T - English - Romance/Drama - Chapters: 1 - Words: 10,214 - Reviews: 289 - Favs: 1,810 - Follows: 264 - Published: 12/15/2010 - Harry P., Hermione G. - Complete