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The True Half-Blood Prince
by lildrummerboi reviews
While Magical Britain may be content to ignore warnings of Dark Lords the ICW takes such threats much more seriously. They dispatch an investigator to look into the claims, and what he finds will shake the bedrock of the Magical World.
Crossover - Harry Potter & Percy Jackson and the Olympians - Rated: M - English - Adventure - Chapters: 25 - Words: 157,154 - Reviews: 592 - Favs: 1,637 - Follows: 2,175 - Updated: 10h - Published: 3/7/2018 - Sirius B., Amelia B., Percy J., Lou E.
Once a Rookie, Always a Rookie
by Twisted Fate MK 2 reviews
(Credit to Adrasos on Archive and his story, Prepare to Drop, for the idea.) On the way down to New Mombasa, Rookie falls into the Slipspace Rupture and ends up crashing down on Menae, high above Palaven, while Shepard tries to find and rescue the new Primarch. From there, the war itself will shift and the fighting persists, but who knows what an ODST will add to the mix.
Crossover - Halo & Mass Effect - Rated: T - English - Adventure - Chapters: 60 - Words: 285,754 - Reviews: 539 - Favs: 976 - Follows: 1,288 - Updated: 20h - Published: 9/27/2018 - Rookie, Shepard, Javik
A Second Chance
by Breanie reviews
What if Sirius didn't spend twelve years in prison, but was given a trial after four years? Follow the story of Sirius Black as he learns what it means to be a father/brother/guardian to his young godson & the story of Harry Potter, a young boy with a loving home who learns about the Marauders from the two men who should have raised him. Slow-burn Hinny. M for sex & violence.
Harry Potter - Rated: M - English - Family/Humor - Chapters: 280 - Words: 2,497,140 - Reviews: 9925 - Favs: 2,971 - Follows: 3,376 - Updated: 6/12 - Published: 5/3/2018 - Harry P., Sirius B., Remus L., Ginny W.
Heroes and Ghosts
by LostHeroGuide reviews
Clint Barton didn't expect visitors in Homestead. Especially teenagers stealing from him in the middle of the night. But when Clint confronts him and realizes he's not alone... well, what's he's supposed to do? The Avengers have everything, it seems, but a family man. Featuring fanboy Thor, Steve's overprotective nature, and twice the Jackson as you'd expect. (Percabeth later on.)
Crossover - Percy Jackson and the Olympians & Avengers - Rated: T - English - Adventure/Romance - Chapters: 49 - Words: 192,857 - Reviews: 1683 - Favs: 1,959 - Follows: 2,271 - Updated: 6/8 - Published: 9/7/2015 - [Percy J., Annabeth C.] [Hawkeye/Clint B., Laura B.]
The Shadow of Angmar
by Steelbadger reviews
The Master of Death is a dangerous title; many would claim to hold a position greater than Death. Harry is pulled to Middle-earth by the Witch King of Angmar in an attempt to bring Morgoth back to Arda. A year later Angmar falls and Harry is freed. What will he do with the eternity granted to him? Story begins 1000 years before LotR. Eventual major canon divergence.
Crossover - Harry Potter & Lord of the Rings - Rated: T - English - Adventure - Chapters: 37 - Words: 237,383 - Reviews: 6284 - Favs: 13,735 - Follows: 16,350 - Updated: 6/8 - Published: 3/15/2015 - Harry P.
Soon, everyone will hear the screams
by magkiln reviews
The Citadel Council doesn't want another conflict. Their reputation rests on their ability to maintain the peace. The Alliance of United Systems doesn't want another conflict. They won the last one, no need to risk spoiling their record. Shepard doesn't want another conflict. The last one was ugly enough. Unfortunately, it seems that some people didn't get the memo.
Crossover - Aliens/Predator & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 35 - Words: 155,028 - Reviews: 471 - Favs: 565 - Follows: 677 - Updated: 6/2 - Published: 1/31/2018 - Predator/Yautja, Alien/Xenomorph, Saren A., Shepard
Harry Potter, Squatter
by Enterprise1701-d reviews
Based on a challenge by Gabriel Herrol. A young Harry Potter is abandoned in new York by the Dursleys. He finds his way onto Olympus and starts squatting in an abandoned temple...
Crossover - Harry Potter & Percy Jackson and the Olympians - Rated: T - English - Adventure - Chapters: 46 - Words: 414,735 - Reviews: 7058 - Favs: 14,116 - Follows: 16,416 - Updated: 5/28 - Published: 5/1/2019 - Harry P., Hestia
by Reddevel360 reviews
"Killing a man will harden you. Fighting a war against genocide will harden a species. Why are we so ruthless Councilor? Because when fighting for your very existence, anything is acceptable." - Lord Hood. Featuring a Humanity that discovered the archives on Mars in the midst of fighting an war for their very survival, a war that destined to be a massacre turns into a stalemate.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Tragedy - Chapters: 11 - Words: 78,633 - Reviews: 598 - Favs: 1,941 - Follows: 2,662 - Updated: 5/24 - Published: 5/10/2019 - Master Chief/John-117, T. Hood, J. Garson, Admiral Hackett
by CunkToad reviews
Due to a drive core malfunction, a human vessel arrives just in time to save the Council Envoy from the yahg. What happens when humanity enters the galactic stage not as the race that got attacked by the turians for breaking a law they weren't aware of, but as the race that saved a turian platoon from certain death? M for wartime violence, pre ME1 - ME3, no OP humanity.
Mass Effect - Rated: M - English - Sci-Fi - Chapters: 107 - Words: 1,235,227 - Reviews: 808 - Favs: 1,270 - Follows: 1,367 - Updated: 5/17 - Published: 11/27/2016
by Fade Maybe reviews
A UNSC cruiser activates a dormant Relay, forcing the politically divided UNSC into a new war against the Reaper menace. This time Humanity will not stand alone. Now surrounded by diplomatic adversaries and renegade rivals and contenders, Humanity will face a new set of challenges unlike anything it has seen before. The Reclamation has already begun, and we are hopeless to stop it.
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 47 - Words: 361,725 - Reviews: 1492 - Favs: 1,534 - Follows: 1,933 - Updated: 4/28 - Published: 3/13/2013
by KE12 reviews
AU: Humanity failed to conquer FTL, having no Eezo in Sol, but they did manage to overcome many other technologies which have allowed them to become the masters of their solar system, but what happens when the Citadel Council stumble across them in the year 3517AD? The Citadel wants their technology and Humanity wants out of Sol, but can a deal be struck? Heavy! focus on FC aspects
Mass Effect - Rated: K+ - English - Sci-Fi - Chapters: 26 - Words: 137,555 - Reviews: 479 - Favs: 1,360 - Follows: 1,928 - Updated: 4/28 - Published: 4/3/2019 - Shepard, Councilor Tevos, Benezia
Effects of a Titan
by greeneman42 reviews
A small salvage ship comes across an interesting find while searching. Set before Halo 4 and before ME 2
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 31 - Words: 226,020 - Reviews: 1045 - Favs: 1,846 - Follows: 2,439 - Updated: 4/24 - Published: 11/26/2013 - Master Chief/John-117, Cortana, J. Garson
Voyage unto Infinity
by supertruckin reviews
The USS Voyager comes face to face with the massive ship that is the UNSC Infinity after Voyager's nearly fatal first test of their quantum slipstream drive. Getting home isn't their only issue. They will have to work together in order to unravel the ancient threat that plagues the new galaxy that they find themselves in. Star Trek:Voyager, Mass Effect, and Halo triple crossover
Crossover - Mass Effect & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 14 - Words: 74,475 - Reviews: 500 - Favs: 1,244 - Follows: 1,669 - Updated: 3/31 - Published: 4/10/2019 - Master Chief/John-117, Cortana, Shepard
by creamofwheat2311 reviews
After discovering an ancient artifact, the UNSC's most advanced warship and a Sangheili Assault Carrier are transported to a universe unlike anything they have ever seen, and forced into a war against a foe they never could have imagined.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 53 - Words: 473,247 - Reviews: 3974 - Favs: 5,014 - Follows: 5,942 - Updated: 3/30 - Published: 10/9/2013 - Master Chief/John-117, Arbiter, T. Lasky, Shepard
On the Illusion of Might
by evevee reviews
We thought ourselves powerful, able to conquer a galaxy with nothing but toys. When we overcame every challenge, breached the space between the galaxies themselves, what use were the words of a race ashamed of their own past? Yet we cannot deny that we were warned, for while a challenge to a human is laughable, a challenge to humanity is a death sentence.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi - Chapters: 24 - Words: 266,953 - Reviews: 1757 - Favs: 3,033 - Follows: 3,890 - Updated: 2/21 - Published: 2/21/2017 - Master Chief/John-117, Cortana, Garrus V., Shepard
Mass Effect: Trailblazer
by TallYapflip reviews
Humanity, left to its own devices for centuries, comes into contact with the Citadel Council. A misunderstanding leads to hostile first contact, and the UNSC is drawn into war with the Council shortly after the Insurrection's height. The Council finds itself face-to-face with a species that has broken the shackles of Mass Effect Technology. The Era of Humanity has only just begun.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 13 - Words: 64,686 - Reviews: 634 - Favs: 2,139 - Follows: 2,881 - Updated: 2/1 - Published: 7/14/2017 - Master Chief/John-117, J. Keyes, Miranda L., Shepard
Folks Need Heroes
by Bodacity2.0 reviews
A nuke, a slipspace portal, and a human digitizer - the perfect ingredients for the unexpected. Fortunately for Shepard and Co., a little unexpected, or in this case, a BIG unexpected, is just what this galaxy needs. Get ready to finish the fight, laser up, and give some people back their bombs.
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 16 - Words: 115,804 - Reviews: 306 - Favs: 772 - Follows: 1,156 - Updated: 1/31 - Published: 4/28/2020 - Master Chief/John-117, Miranda L., Shepard
by mp3.1415player reviews
Technological incompatibility can cause serious issues even at a simple level. When it comes to interstellar travel, those issues can be quite profound...
Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 16 - Words: 127,546 - Reviews: 805 - Favs: 2,909 - Follows: 3,386 - Updated: 1/5 - Published: 8/18/2019
The Spirit of Humanity
by Kazlin reviews
After decades of ponderous travel through space the UNSC Spirit of Fire stumbles across the drifting tomb of Humanities greatest hero. Within the ship they find the means of possibly making it home, but to get there they will have to make alliances that could upend the balance of power in the Galaxy and change everything the Council races thought true.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi - Chapters: 5 - Words: 20,227 - Reviews: 194 - Favs: 779 - Follows: 1,242 - Updated: 1/5 - Published: 5/24/2018
by SaffronFields023 reviews
With the Golden Trio out looking for Horcruxes, the remaining members of Dumbledore's Army must pick up the pieces and defend Hogwarts. Lots of teenage rebellion, evil professors, and a headmaster who wants them all dead...or does he? Takes place during 7th year.
Harry Potter - Rated: T - English - Friendship/Adventure - Chapters: 20 - Words: 61,827 - Reviews: 18 - Favs: 13 - Follows: 23 - Updated: 12/29/2020 - Published: 11/19/2018 - Ginny W., Neville L., Seamus F., Michael C.
A House Divided Amongst Itself
by ThePilotArchangel reviews
First Contact AU! The United Confederacy explores the Orion arm of the milky way galaxy, unaware of the rest of galactic civilization. When mankind meets its first aliens, how will things unfold? How will mankind react? (DISCONTINUED, Spiritual Successor Story 'Pax Britannia' Coming soon)
Mass Effect - Rated: T - English - Chapters: 33 - Words: 120,795 - Reviews: 366 - Favs: 488 - Follows: 664 - Updated: 12/20/2020 - Published: 4/17/2019 - Hannah S., Rael'Zorah, OC
The Fourth Council Race
by Knight Vigilant Koren reviews
A few minor and realistic changes in the decisions made by the leaders of humanity drastically altered the path of Citadel Space and the Reaper War. This is the story of caution and planning over recklessness, the path of the juggernaut over the glass cannon. This is the story of humanity as it should have been. A power worthy of its Council seat, and one the Reapers can't ignore.
Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 29 - Words: 195,149 - Reviews: 1406 - Favs: 2,395 - Follows: 3,094 - Updated: 11/27/2020 - Published: 9/23/2017 - Garrus V., Kaidan A., Shepard, Councilor Irissa
A Witch in Thrawn's net
by ElenaPadmeAmidala reviews
Thrawn is known to be ruthless & highly intelligent. What happens when one of his conscripts happens to be a witch from a newly-conquered planet with diverse cultures, different mindsets. Can she come to terms with her imperial service? Will she fail to stay alive? Will he figure out that one of his conscripts is more than she appears to be? FemaleHARRY Genre: Wrong-child-who-lived
Crossover - Star Wars & Harry Potter - Rated: T - English - Sci-Fi/Fantasy - Chapters: 26 - Words: 136,069 - Reviews: 330 - Favs: 821 - Follows: 1,065 - Updated: 11/19/2020 - Published: 3/3/2017 - Thrawn, Harry P., Draco M., Neville L.
The Art of War
by KatrioneSnape reviews
IN PROGRESS The night of the final task of the Triwizard Tournament, Snape returns from the newly-risen Voldemort to find Hermione Granger in his rooms. Together, they make plans to fight Voldemort and save the wizarding world. Eventual HG/SS, as little AU as possible, but more so as you get to the end, some OCs. Definitely EWE and HEA.
Harry Potter - Rated: T - English - Romance/Adventure - Chapters: 57 - Words: 153,920 - Reviews: 846 - Favs: 627 - Follows: 1,016 - Updated: 11/1/2020 - Published: 10/27/2016 - [Hermione G., Severus S.] [Harry P., Draco M.]
It Started At Shanxi
by SpaceTurtleOX reviews
One hundred years after the end of the Human-Covenant War an ill-fated UNSC expedition opens Relay 314, revealing a civilization unprepared for their arrival, and relics from a terrible past.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 15 - Words: 73,507 - Reviews: 499 - Favs: 1,469 - Follows: 2,250 - Updated: 9/6/2020 - Published: 7/26/2019 - Master Chief/John-117, Cortana, Zaeed M., OC
Past and Present - Book 1 of the Back To Snape series
by TheLoneRebel's Stories reviews
*NOW COMPLETE!* Severus has grown up as a follower of the Dark Lord due to his family connection to the Malfoys, but his conscience isn't sure this is what he wants. After an AU version of the Battle of Hogwarts, Hermione decides to go back in time to try and prevent the disastrous events that stole too many people. Sorta Dramione to start, but will be a Sevmione in the next book.
Harry Potter - Rated: M - English - Romance/Supernatural - Chapters: 15 - Words: 59,650 - Reviews: 81 - Favs: 154 - Follows: 240 - Updated: 9/6/2020 - Published: 8/4/2019 - [Hermione G., Severus S.] Harry P., Draco M. - Complete
by Murai-Sakura reviews
AU following GoF. When Dudley is admitted to St Mungo's for an extended stay because of Harry, Snape has to step in to take his place as to not arouse suspicion among the muggles. Can Harry keep his home life hidden? And why does he keep blacking out at Hogwarts? Snape mentors Harry fic. No slash. Abusive Dursleys. Warning: suicidal thoughts and Graphic violence. COMPLETE
Harry Potter - Rated: M - English - Angst/Hurt/Comfort - Chapters: 56 - Words: 304,035 - Reviews: 2299 - Favs: 1,070 - Follows: 1,190 - Updated: 9/4/2020 - Published: 1/10/2020 - Harry P., Severus S. - Complete
The Lost Civilization
by Apollonir reviews
After the Battle of the Ark, a UNSC Pelican dropship crash lands on Thessia. Two ODSTs survive the crash and make contact with primitive Asari. Ninety thousand years later, Liara T'Soni discovers a strange looking aircraft and Human remains in an ancient cave burial chamber. The discovery she makes will take the Asari on a journey to discover their true lineage.
Crossover - Halo & Mass Effect - Rated: T - English - Mystery/Suspense - Chapters: 11 - Words: 21,642 - Reviews: 522 - Favs: 1,687 - Follows: 2,381 - Updated: 8/22/2020 - Published: 7/2/2017 - Ashley W., Liara T'Soni, Mordin S., Shepard
by lildrummerboi reviews
He had been at the top of the FBI's Most Wanted list since he was 12 years old. When they finally caught him, there was nothing he could do. After Spending over a year in prison, Percy is released and uncertain what direction his life should take. Maybe he'd give that Coulson guy a call after all.
Crossover - Percy Jackson and the Olympians & Avengers - Rated: M - English - Adventure - Chapters: 23 - Words: 144,513 - Reviews: 542 - Favs: 1,479 - Follows: 1,831 - Updated: 8/9/2020 - Published: 8/1/2018
From Domination to Genocide V2
by InnocentBlaze686 reviews
4000 years before Darth Vader, there was Mandalore the Preserver, who mysteriously disappeared from the galaxy. With the death of Chancellor Palpatine during his attempted kidnapping, the Republic seeks a new advantage over the CIS, which comes in the form of the newly found Mandalore. But something draws the Jedi away from the Republic: the screams of those suffering genocide.
Crossover - Star Wars & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 8 - Words: 26,920 - Reviews: 319 - Favs: 384 - Follows: 480 - Updated: 7/21/2020 - Published: 1/23/2016
Halo: Rise of the Empire
by theotherpianist reviews
After the end of the Great War, humanity thought they were done fighting. They were wrong. When a operation to find two UNSC distress signals is launched, the Milk Way entangles itself in a war they never wanted to fight, be in, or witness: the dramatic power play that was the Clone Wars. Amidst the conflict, one Spartan III struggles to protect humanity in a galaxy far, far away.
Crossover - Star Wars & Halo - Rated: T - English - Chapters: 29 - Words: 268,839 - Reviews: 497 - Favs: 717 - Follows: 836 - Updated: 6/8/2020 - Published: 3/16/2014 - Anakin Skywalker, Obi-Wan K., SPARTAN-B312/Noble Six, OC
Tale of the Northern Kingdom
by TarAlcarin reviews
Aranwe, Elven ambassador to the Kingdom of Arnor, recounts his tale of the rise and fall of the forgotten Dunedain realm.
Lord of the Rings - Rated: T - English - Fantasy - Chapters: 11 - Words: 10,398 - Reviews: 1 - Favs: 2 - Follows: 1 - Updated: 4/27/2020 - Published: 8/22/2019 - Witch-King of Angmar, Elendil - Complete
The Bane of Poseidon
by AdamantlyAmiable reviews
Just when the demigods think things are finally settling down, a new prophecy is told. Now, the seven and Nico must join efforts with the Hogwarts trio to fight whatever might be approaching... "Demigods go to Hogwarts" but w/ an actual storyline & prophecy. AU where both wizards and demigods exist. Story begins a few weeks after the war w/ Gaea. Chapters will be 3k-4k words long.
Crossover - Harry Potter & Percy Jackson and the Olympians - Rated: T - English - Adventure/Friendship - Chapters: 34 - Words: 137,940 - Reviews: 482 - Favs: 452 - Follows: 615 - Updated: 4/11/2020 - Published: 5/7/2016
Big 'Ol Box Full Of Plot Bunnies
by RhysThornbery reviews
Basically a place to store story ideas until I can make something of them at a later date.
Harry Potter - Rated: T - English - Fantasy/Adventure - Chapters: 22 - Words: 168,015 - Reviews: 370 - Favs: 155 - Follows: 197 - Updated: 3/23/2020 - Published: 11/7/2018 - Harry P.
The Last Halloween
by Seriously Sam reviews
Halloween 1981 was the last time Sirius ever saw his best mate and his wife alive. It would be the last time he'd see his godson for nearly twelve years. It would be the last time he dressed up for the holiday just to see the smile on his godson's face. One-Shot.
Harry Potter - Rated: K+ - English - Family/Friendship - Chapters: 1 - Words: 8,424 - Reviews: 8 - Favs: 38 - Follows: 10 - Published: 3/19/2020 - Harry P., Sirius B., James P., Lily Evans P. - Complete
Hermione Granger and the Goblet of Fire
by Zero Rewind reviews
One-shot. Wizards and witches substituted their common sense with magic, Hermione always thought. As it turns out, even the mightiest of them all are not immune to this, as Hermione learns during the TriWizard Tournament.
Harry Potter - Rated: T - English - Chapters: 1 - Words: 891 - Reviews: 8 - Favs: 63 - Follows: 51 - Published: 3/19/2020 - Hermione G. - Complete
The Son of a Sailor
by lildrummerboi reviews
It wasn't the pit. Nothing could be the pit. Nothing could be that dark void of pain, suffering, and unending hellish nightmares that thrived off of the torment of others. It was a damn close second though.
Crossover - Percy Jackson and the Olympians & Avengers - Rated: M - English - Chapters: 6 - Words: 29,853 - Reviews: 152 - Favs: 652 - Follows: 855 - Updated: 3/10/2020 - Published: 10/3/2019 - Percy J., Black Widow/Natasha R., Captain America/Steve R., Iron Man/Tony S.
Carriers of the Cross
by Hawki reviews
Oneshot: When the ancestors of the Telmarines crossed over into Narnia, some of them brought baubles with them. Baubles that, generations later, those versed in the history of more than one world recognised.
Chronicles of Narnia - Rated: T - English - Fantasy - Chapters: 1 - Words: 5,091 - Reviews: 6 - Favs: 6 - Follows: 2 - Published: 3/8/2020 - OC - Complete
by TallYapflip reviews
The First Contact War brought untold destruction to Earth, reducing Humanity to a shell of its former self. For 900 years, Humanity has been working tirelessly to lay claim to its own slice of the Milky Way Galaxy, and they are prepared to bring the Council to its knees to accomplish their goals. (Massive AU, New Technologies, and a far different humanity.)
Mass Effect - Rated: M - English - Sci-Fi - Chapters: 22 - Words: 109,371 - Reviews: 562 - Favs: 2,169 - Follows: 2,637 - Updated: 1/28/2020 - Published: 3/4/2016 - [Samantha T., Shepard] Admiral Hackett, OC
Book One: Dawn of a New Age
by DragonheartODST reviews
Humanity had been expanding across the stars for over 5 centuries in relative peace. But an alien alliance known as the Covenant wishes to destroy humanity entirely. Now threatened with extinction, can the fate of just one battle-scared survivor change the events of the war and those participating in it? Multi-crossover with Halo, Mass Effect, and a little bit of StarCraft. Hiatus
Crossover - Halo & Mass Effect - Rated: T - English - Adventure - Chapters: 14 - Words: 131,491 - Reviews: 293 - Favs: 339 - Follows: 395 - Updated: 1/3/2020 - Published: 5/19/2016
The Leviathan and The Relic
by Ludum reviews
The fleeing refugees of the 12 Colonies encounter the UNSC Infinity. It seems that their problems are over as the UNSC can easily steamroll the Cylons with just this one ship. But what if the Cylons knew of a weapon that can wipe out all humanity more efficiently than nuclear bombardment of 12 planets?
Crossover - Halo & Battlestar Galactica: 2003 - Rated: T - English - Chapters: 2 - Words: 11,636 - Reviews: 119 - Favs: 255 - Follows: 400 - Updated: 12/31/2019 - Published: 6/23/2019
Halo: Second Contact
by Helezhelm reviews
What if Halo universe collides with Mass Effect universe! How would System Alliance among Council Citadel races react to another human race in other galaxy? We only will find out in upcoming fanfiction!
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 7 - Words: 5,934 - Reviews: 66 - Favs: 214 - Follows: 261 - Updated: 9/25/2019 - Published: 4/29/2015
Silence in the Library
by Hawki reviews
Oneshot: Hermione had just had her first day of school at Hogwarts. And what better to unwind afterwards than go to the library?
Harry Potter - Rated: K - English - Fantasy - Chapters: 1 - Words: 2,003 - Reviews: 4 - Favs: 8 - Follows: 2 - Published: 9/20/2019 - Hermione G., I. Pince - Complete
Hydrogen and Stupidity
Oneshot: Hydrogen and human stupidity were two of the most common elements in the universe. The use of the former as a fuel could lead to the proliferation of the latter throughout the Sol system, culminating with the Interplanetary War.
Halo - Rated: T - English - Sci-Fi/Angst - Chapters: 1 - Words: 2,246 - Favs: 1 - Follows: 2 - Published: 9/20/2019 - OC - Complete
The UNSC and the Citadel Council
by Lord Okkirke reviews
What if it had not been the Systems Alliance that made made first contact with the Citadel Species but a UNSC that never encountered the Covenant? The Story begins in 2607 CE(Mass Effect timeline is adjusted by 450 years to line up properly) with the First Contact War.
Crossover - Halo & Mass Effect - Rated: T - English - Chapters: 1 - Words: 6,176 - Reviews: 42 - Favs: 186 - Follows: 294 - Published: 9/14/2019
For Earth and All Her Colonies
by GADPELLAEON reviews
Post Human-Covenant War AU. After the Great War, all the UNSC wants to do is rebuild and live in the peace. A peace that so many died for. What happens when they learn that no matter what, war will always find them. Chapters Updated - Chapter 11 uploaded (07/08/2019) Any criticism and/or tips welcome.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 12 - Words: 80,225 - Reviews: 457 - Favs: 1,308 - Follows: 1,878 - Updated: 9/13/2019 - Published: 12/27/2018 - Master Chief/John-117, Arbiter, J. Garson, Councilor Tevos
Made of Common Clay
by Lomonaaeren reviews
Gen. Harry has reached a very bitter thirty. His efforts to reform the Ministry haven't lessened the bigotry. Then he finds out that he's apparently a part of a pure-blood nobility he's never heard of; he's Lord Potter and Lord Black. Unfortunately, that revelation's come too late for him to be a reformer. All Harry wants to do is tear down the system and salt the earth. COMPLETE.
Harry Potter - Rated: M - English - Drama/Adventure - Chapters: 43 - Words: 135,979 - Reviews: 898 - Favs: 1,798 - Follows: 1,865 - Updated: 9/12/2019 - Published: 8/3/2017 - Harry P., Ron W., Hermione G., Neville L. - Complete
The Second Snap
Hades has one problem solved, only to find another. (Sequel to Aftermath for the Other Half.)
Crossover - Percy Jackson and the Olympians & Avengers - Rated: K+ - English - Humor - Chapters: 1 - Words: 556 - Favs: 22 - Follows: 11 - Published: 9/12/2019 - Hades - Complete
by NCR Ranger reviews
Reach cracked before her guard did. Even after that happened, though, nobody can deny: Reach stands.
Halo - Rated: T - English - Adventure/Poetry - Chapters: 1 - Words: 1,215 - Reviews: 1 - Favs: 6 - Follows: 1 - Published: 8/20/2019 - Complete
The Power He Knows Not
by LilyannaSpiritOfTheCheetah reviews
The last heir to the Noble and Most Ancient House of Potter grew up very differently than Dumbledore had planned when Sirius Black rescued him from the ruins after his parents' deaths. When he meets a young Ginevra Weasley both lives take a turn none expected as he and Ginny begin to discover the power the Dark Lord knows not.
Harry Potter - Rated: T - English - Romance/Drama - Chapters: 60 - Words: 206,823 - Reviews: 875 - Favs: 997 - Follows: 908 - Updated: 8/18/2019 - Published: 1/1/2019 - [Harry P., Ginny W.] [Hermione G., Draco M.] - Complete
Oneshot: Cortana knew that if she was to build a new future, the past had to be reclaimed. And how better than to reclaim the past than to find the one who stored it? One who contained the sum total of human history within her database?
Halo - Rated: K+ - English - Sci-Fi - Chapters: 1 - Words: 2,352 - Favs: 7 - Follows: 3 - Published: 8/11/2019 - Cortana, OC, Warden Eternal, Gabriela - Complete
by Hawki reviews
Oneshot: The Created ruled the galaxy. The Created ruled mankind. Only a few pockets of independence remained, and the noose tightened by the day.
Halo - Rated: T - English - Sci-Fi/Tragedy - Chapters: 1 - Words: 3,308 - Reviews: 3 - Favs: 5 - Follows: 3 - Published: 7/26/2019 - OC - Complete
Assorted Dysfunctional Plot Bunnies
by RhysThornbery reviews
Basically a place to store my non-Harry Potter plot bunnies.
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 5 - Words: 37,723 - Reviews: 14 - Favs: 37 - Follows: 43 - Updated: 7/14/2019 - Published: 11/12/2018
by atomicsub927 reviews
Humanity has reached the stars and is now a powerful coalition. Fears over the widespread technology found in the prothean ruins on mars mean that humanity embraces a different form of technology and their fleet is one of the most powerful in the galaxy. Will be replaced by a different story
Mass Effect - Rated: M - English - Sci-Fi/Romance - Chapters: 10 - Words: 27,179 - Reviews: 66 - Favs: 105 - Follows: 136 - Updated: 7/14/2019 - Published: 3/22/2018 - [Tali'Zorah, Shepard] [Garrus V., Kasumi G.]
by illgiveyouablackeye reviews
In a world a bit too big, Amarylis Potter finds herself being a bit too small (she’s accepted it) but then a big hairy man shows up, telling her she’s part of another world as well and somehow, being a bit too small turns into way too small. (Fem!Harry) (Maybe a reverse harem?) (SLOW BUILD) (Mentions of abuse)
Harry Potter - Rated: T - English - Romance/Hurt/Comfort - Chapters: 5 - Words: 15,449 - Reviews: 13 - Favs: 185 - Follows: 264 - Updated: 7/8/2019 - Published: 1/15/2019 - Harry P.
The Touch of Winter
by Hawki reviews
Oneshot: Something strange had happened to Narnia. While the passage of seasons in Archenland remained as normal, the lands of the north appeared to be locked in eternal winter. Something had happened. Something terrible.
Chronicles of Narnia - Rated: T - English - Fantasy - Chapters: 1 - Words: 3,706 - Reviews: 2 - Favs: 8 - Follows: 3 - Published: 7/6/2019 - Jadis the White Witch, OC - Complete
The Reclaimer Effect
by Thorthemighty321 reviews
It's the eve of the centennial anniversary of the beginning of the Human-Covenant War. A mere twenty years after the discovery of Prothean Ruins on Mars. A simple case of poor communication leads to a brief but violent conflict erupting and leads to the United Earth Government and it's military arm the UNSCDF coming onto the Galactic Stage of politics, mysteries, and adventures.
Crossover - Halo & Mass Effect - Rated: T - English - Adventure - Chapters: 17 - Words: 174,265 - Reviews: 648 - Favs: 1,101 - Follows: 1,567 - Updated: 6/27/2019 - Published: 2/28/2018
Mass Effect: The New Journey
by Arashi the Solar Phoenix reviews
During a Joint Deployment, the UNSC Infinity and Her Sangheili allies are suddenly thrown into a new Galaxy, and end up near Charon before the Systems Alliance discovers the Charon Relay. Alliances are forged and how will the galaxy react to an aggressive humanity that not only doesn't use Mass Effect technology, but will not let anyone stand in their way of expansion? AU PreME1
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 20 - Words: 190,674 - Reviews: 1368 - Favs: 2,380 - Follows: 2,896 - Updated: 6/11/2019 - Published: 1/26/2014
When All is Lost One is Found
by Rinoaebastel reviews
Severus Snape lives his life in shadows with the goal of redemption and the specter of his demise at the forefront of his life. People he trusted always used him and gave up on him. He never thought someone would ever believe that he could be loved and redeemed. And he never thought he'd ever discover a desire to live and come to a realization that perhaps not all is lost. SS/HG
Harry Potter - Rated: T - English - Romance/Angst - Chapters: 145 - Words: 233,179 - Reviews: 884 - Favs: 450 - Follows: 527 - Updated: 4/24/2019 - Published: 1/1/2017 - Hermione G., Severus S. - Complete
by Hawki reviews
Oneshot: Muggles of the world unite, you have nothing to lose but your...okay, not sure what you have to lose per se, but magic's popping up all over London, so you better do something about that.
Harry Potter - Rated: K+ - English - Humor/Parody - Chapters: 1 - Words: 1,505 - Reviews: 4 - Favs: 7 - Follows: 4 - Published: 3/24/2019 - OC - Complete
by Hawki reviews
Oneshot: A thousand years of peace had been gifted to the galaxy by the Created. In that spirit, a bit of obedience was the least they could ask.
Halo - Rated: K+ - English - Sci-Fi - Chapters: 1 - Words: 2,182 - Reviews: 3 - Favs: 5 - Follows: 3 - Published: 3/24/2019 - Cortana, OC - Complete
When You Need Help
by Made For More reviews
Percy Jackson is gone. Ever since he enrolled in the S.H.I.E.L.D Academy 4 years ago he's been Peter Johnson. But when he's reassigned to a new squad, with a whole different set of rules. It was only a matter of time before a video surfaces of him using his powers; causing some interest from high places. Now he's on the run, Only hoping he's fast enough to out run them.
Crossover - Percy Jackson and the Olympians & Avengers - Rated: T - English - Adventure/Drama - Chapters: 11 - Words: 62,969 - Reviews: 331 - Favs: 1,024 - Follows: 1,520 - Updated: 2/26/2019 - Published: 5/16/2016 - Percy J., Captain America/Steve R., Iron Man/Tony S.
by lilyevansJan30 reviews
Impetuous decisions made in childhood are meant to stay there, but Ginny's first year at Hogwarts was rather more life-threatening than most. She swears to never to do anything to risk Harry's life again, but never is a long time. Voldemort is finally dead, but will echoes of the Chamber prevent Harry and Ginny from ever finding happiness?
Harry Potter - Rated: T - English - Drama/Romance - Chapters: 25 - Words: 104,813 - Reviews: 207 - Favs: 151 - Follows: 128 - Updated: 1/30/2019 - Published: 10/3/2018 - [Harry P., Ginny W.] - Complete
by thepeachgrove reviews
Exiled by the gods, Percy is left to roam the world listlessly, dodging SHIELD and HYDRA alike as he is tugged between two worlds. And now, something terrible and nameless is wakening within him. A fathomless force of lost power is clawing to the surface, burning away who we once knew as Percy Jackson. The gods have made a grave mistake. ( DISCONTINUED. SEE LAST UPDATE)
Crossover - Percy Jackson and the Olympians & Avengers - Rated: T - English - Adventure/Drama - Chapters: 14 - Words: 41,851 - Reviews: 785 - Favs: 1,603 - Follows: 2,023 - Updated: 1/15/2019 - Published: 12/19/2014 - Percy J., Captain America/Steve R., Wanda M./Scarlet Witch
The Unknown Defender
by Gabenator5 reviews
While Shepard is closing in on Saren. Stories begin to spread among the pirates and slavers of the galaxy. Rumors of a nameless fear, of a creature, a demon wreathed in green armor. It and its allies appear from nowhere slughtering all who oppose them, then vanish without a trace. What is the purpose of this unknown faction... and what will they do next?
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 17 - Words: 115,734 - Reviews: 1090 - Favs: 3,093 - Follows: 3,931 - Updated: 1/13/2019 - Published: 9/27/2016 - Master Chief/John-117, Cortana, Tali'Zorah, Leviathan
by LilyIsAwesomerThanYou reviews
When Snape discovers Harry's abusive past during an Occlumency lesson, Harry panics. Snape is forced to take care of him in the aftermath. Mentor/guardian fic. As always, no slash.
Harry Potter - Rated: T - English - Angst/Drama - Chapters: 12 - Words: 35,706 - Reviews: 347 - Favs: 875 - Follows: 1,326 - Updated: 12/6/2018 - Published: 12/10/2015 - Harry P., Severus S.
Mass Effect: End of Days
by Postmeat reviews
An ancient danger threatens the galaxy, unknown to all. A humanity which never discovered Prothean ruins, expanding through space on their own, emerges. Joined with the machines they created, hardened by war with a terrifying enemy, they read the writing on the wall. But will the galactic community already there listen to these newcomers, stirring up trouble everywhere they go?
Mass Effect - Rated: T - English - Sci-Fi/Suspense - Chapters: 19 - Words: 214,419 - Reviews: 680 - Favs: 2,531 - Follows: 3,101 - Updated: 10/26/2018 - Published: 3/8/2015 - Admiral Hackett, Shadow Broker, Shepard, Rachni Queen
Alternate Past, Uncertain Future Mk II
by Follower38 reviews
Co-written with aDarkOne History, a single event, can alter so much, let alone two. The San'Shyum are no more. The Krogan Empire stands strong. Humanity is now a giant among the stars. With three Galactic Superpowers in play, will an encounter see a new Golden Age, or an Era of War? (Chapters 1-12 being rewritten)
Crossover - Halo & Mass Effect - Rated: T - English - Adventure - Chapters: 33 - Words: 279,720 - Reviews: 765 - Favs: 730 - Follows: 840 - Updated: 10/6/2018 - Published: 8/28/2012
Mass Effect: First Contact
by Kralizec314 reviews
The year is 2597, ten years after the Insurrection came to an end, and the UNSC now reign supreme over all Humans in the galaxy. But now, the Outer Colony of Harvest has come under attack from a conquering alliance of alien races; the UNSC must resist them and claim it's place in the galaxy.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi - Chapters: 5 - Words: 23,040 - Reviews: 137 - Favs: 359 - Follows: 512 - Updated: 9/29/2018 - Published: 3/28/2016
The Strange Ship
by regularmother reviews
In a hunt for raw materials for their people, Quarian explorers open a new mass relay. What awaits them on the other side is nothing they could have ever expected. Pre-Mass Effect 1, Post-Halo 4; AU only where necessary to mash two universes together and create something resembling a coherent storyline.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi - Chapters: 9 - Words: 48,490 - Reviews: 280 - Favs: 1,017 - Follows: 1,520 - Updated: 9/4/2018 - Published: 10/25/2016
Into The Black
by RhysThornbery reviews
An incredible discovery prompts Harry and Hermione to venture into the unknown. Hoping to discover new worlds and bring home a certain lost Godfather. However they get a lot more than they bargained for when they step into this brave new world. A Galactic scale war, aliens and betrayal lie beyond. Tentatively rate T, may be raised to M if necessary. On Hiatus.
Crossover - Star Wars & Harry Potter - Rated: T - English - Adventure/Sci-Fi - Chapters: 13 - Words: 123,304 - Reviews: 1342 - Favs: 4,155 - Follows: 5,671 - Updated: 9/3/2018 - Published: 1/8/2017 - Aayla S., Harry P., Hermione G.
The Moment It Began
by Sindie reviews
Deathly Hallows spoilers ensue. This story is being written as a response to JKR's comment in an interview where she said if Snape could choose to live his life over, he would choose Lily over the Death Eaters. AU Sequel posted: The Moment It Ended.
Harry Potter - Rated: T - English - Romance/Drama - Chapters: 122 - Words: 302,695 - Reviews: 7006 - Favs: 4,103 - Follows: 1,874 - Updated: 8/30/2018 - Published: 8/20/2007 - Severus S., Lily Evans P. - Complete
by Nanami404 reviews
Post-DH. Captured by Death Eaters, Ginny, Ron and Hermione face horrors they thought were through. Can they get themselves - and Harry, isolated and at the whim of his enemies - to safety? Or will Harry lose his life, his mind and more? Hinny and Romione. RATED FOR A REASON.
Harry Potter - Rated: M - English - Horror/Suspense - Chapters: 4 - Words: 4,208 - Reviews: 16 - Favs: 42 - Follows: 23 - Updated: 8/3/2018 - Published: 6/3/2016 - [Harry P., Ginny W.] [Ron W., Hermione G.] - Complete
Elektra Black: The Demigod Witch (Year 1)
by mischiefmanaged1970s reviews
Elektra Black is the daughter of a Greek goddess (Hecate), and a falsely convicted murder (Sirius Black). Follow her journey as she embarks upon her first year at Hogwarts School of Witchcraft and Wizardry. New friendships will be made, old friendships will be reformed, and family ties will strengthen. (Sporadic updates... Rated T just in case)
Crossover - Harry Potter & Percy Jackson and the Olympians - Rated: T - English - Chapters: 10 - Words: 29,491 - Reviews: 15 - Favs: 64 - Follows: 98 - Updated: 5/2/2018 - Published: 9/29/2016 - Harry P., Sirius B., Draco M., Annabeth C.
by fowlbynamedorkbynature reviews
Frank and Hazel are sent to Hogwarts on a quest from Hecate to protect Harry from Sirius Black during his third year. Post BOO, pre TOA. Part 2 of The Gods' Playground Series (It's not necessary to read Part 1 to still understand or enjoy the series. Things from Part 1 will be explained in later chapters)
Crossover - Harry Potter & Percy Jackson and the Olympians - Rated: K - English - Fantasy/Adventure - Chapters: 18 - Words: 23,553 - Reviews: 35 - Favs: 30 - Follows: 46 - Updated: 4/27/2018 - Published: 8/30/2016 - [Frank Z., Hazel L.] Harry P., Seamus F.
It's All Relative
by Pmtcvr98 reviews
Rachel's newfound family is coming to stay for the rest of the summer following the Second Titan War. Though she has her own secrets to hide, she find's that there may be more to the red headed family than meets the eye.
Crossover - Harry Potter & Percy Jackson and the Olympians - Rated: T - English - Chapters: 21 - Words: 68,667 - Reviews: 267 - Favs: 294 - Follows: 422 - Updated: 4/17/2018 - Published: 4/5/2015 - Sirius B., Ginny W., Rachel D.
by phoenixroses reviews
After the war, Percy Jackson is prepared for a normal, peaceful life. However, he is thrown into the middle of a war between wizards and finds out more about his family. Percy Jackson is Voldemort's grandson.
Crossover - Harry Potter & Percy Jackson and the Olympians - Rated: T - English - Adventure/Friendship - Chapters: 13 - Words: 27,036 - Reviews: 342 - Favs: 682 - Follows: 964 - Updated: 4/15/2018 - Published: 1/9/2017
The Art of War
by Apex Primus reviews
Something is out there; Something is coming. It threatens my people, and I will do anything to defend them. Yet, they did not accept my methods and I was exiled. It matters not, I do not need their permission to fight for them. I will return, and this new galaxy will aid me in my plans. I will teach them of our foe, and they will learn to face it. They will learn: I. Am. Thrawn.
Crossover - Star Wars & Mass Effect - Rated: T - English - Drama/Sci-Fi - Chapters: 4 - Words: 25,861 - Reviews: 74 - Favs: 208 - Follows: 262 - Updated: 3/8/2018 - Published: 3/2/2017 - Thrawn
One last quest
by TheGhostQueen13 reviews
Ever since Dumbledore died, Chiron has lost his only source of news in the wizarding world. A quest is launched to discover what happened. Meanwhile, The golden trio is asked back to Hogwarts to repeat their seventh year. Will the demigods be able to keep their identities secret? Or will the demigods, and their world, be exposed? Rated T for violence. [this isn't getting an update]
Crossover - Harry Potter & Percy Jackson and the Olympians - Rated: T - English - Fantasy - Chapters: 21 - Words: 70,231 - Reviews: 62 - Favs: 47 - Follows: 66 - Updated: 2/15/2018 - Published: 11/15/2017
In Torfan, no-one cares if you scream
by magkiln reviews
It has been sixth months since the Skyllian Blitz and the galaxy has started to move on. But although their rhetoric has lost its edge, the United Systems are not prepared to let this insult pass. Twenty years ago, they taught the galaxy a lesson. Now it seems that some people need a refresher course.
Crossover - Aliens/Predator & Mass Effect - Rated: M - English - Sci-Fi - Chapters: 8 - Words: 24,713 - Reviews: 187 - Favs: 466 - Follows: 463 - Updated: 1/31/2018 - Published: 4/20/2017 - Complete
Unexpected Relations: Convergence
by The rational kiwi reviews
Percy hadn't expected to have family outside of his freaky godly relatives. Harry hadn't expected to have family that accepted him for who and what he was. They were both wrong. Also, there is a murderer on the run.
Crossover - Harry Potter & Percy Jackson and the Olympians - Rated: T - English - Chapters: 11 - Words: 106,042 - Reviews: 326 - Favs: 1,278 - Follows: 1,668 - Updated: 1/18/2018 - Published: 7/31/2016 - Harry P., Sirius B., Percy J., Sally J.
by Carolare Scarletus reviews
It takes more than two seemingly opposite attractions to come together for a higher purpose. After the fall of Voldemort, what is there left when all hope seems to be lost? For one man, it's the decision to take the road often taken. For the woman that found her way into his heart, it's up to her to stop him.
Harry Potter - Rated: M - English - Romance/Angst - Chapters: 9 - Words: 62,715 - Reviews: 11 - Favs: 15 - Follows: 38 - Updated: 1/10/2018 - Published: 8/3/2016 - Hermione G., Severus S., Albus D.
The Life and Times of Noble Six
by blackbelt256 reviews
A modified novelization of Halo: Reach. Rated for violence, gore, language, and possible lemon. Pairings decided, but I'm not telling :)
Halo - Rated: M - English - Adventure/Sci-Fi - Chapters: 1 - Words: 8,053 - Reviews: 4 - Favs: 16 - Follows: 19 - Published: 11/20/2017 - Catherine-B320/Kat/Noble Two, Jorge-052/Noble Five, Carter-A259/Noble One, SPARTAN-B312/Noble Six
The Guardian Chronicles
by Ragnos The King reviews
Disclaimer: This story combines elements from Star Wars: The Old Republic, Halo, the Star Wars Legends EU, and various other fandoms. Series of short stories set in the time of the Old Republic. Rated M for language, sexual content, dark themes, and violence.
Crossover - Halo & Star Wars - Rated: M - English - Sci-Fi/Adventure - Chapters: 11 - Words: 37,347 - Reviews: 5 - Favs: 12 - Follows: 14 - Updated: 9/25/2017 - Published: 9/19/2016
How To Invade An Alien Planet
by roman566 reviews
Ah yes, Alien Invasions. The favorite past time of Always Chaotic Evil aliens. Mass Effect has couple of races like that. Surely such Sufficiently Advanced Aliens should have no trouble with conquering one Insignificant Little Blue Planet, right? It's not that the planet in question has faced so many failed invasion that the aliens inhabiting it wrote a guide to help invaders...
Mass Effect - Rated: T - English - Parody/Sci-Fi - Chapters: 1 - Words: 7,572 - Reviews: 61 - Favs: 231 - Follows: 188 - Published: 7/29/2017
Someone had blundered
by magkiln reviews
A turian scout force sets out to patrol empty starsystems. A human exploration fleet makes ready to approach a dormant mass relay. Soon their paths will cross and if they fail to make peaceful contact, the consequences will be deadly. Rated T for violence
Crossover - Aliens/Predator & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 38 - Words: 144,248 - Reviews: 768 - Favs: 854 - Follows: 842 - Updated: 4/20/2017 - Published: 4/25/2015 - Predator/Yautja, Illusive Man, Councilor Tevos, Councilor Sparatus - Complete
Temple of War
by Nemesis dan Impyrean reviews
My first poem! Well, that's posted, anyway. I've really loved An Ember in the Ashes (the second book was SO cool) and I wrote this poem based off the "The field of battle is my temple..." chant. Did it have an actual name? I don't remember. Anyway, hope you like! Or, you know, even notice it exists.
An Ember in the Ashes - Rated: T - English - Chapters: 1 - Words: 268 - Reviews: 4 - Favs: 10 - Follows: 2 - Published: 11/21/2016 - Complete
Halo: Interstellar War
by Merodach the Original Sin reviews
The UEG has been exploring the Milky Way galaxy for centuries, expanding and developing in isolation. It is only when the UNSC finds a Stargate that humanity learns that they aren't alone amongst the stars. Many wondrous mysteries and dangerous secrets are revealed at the dawn of the first interstellar war in human history with an alien foe.
Crossover - Stargate: SG-1 & Halo - Rated: T - English - Adventure - Chapters: 1 - Words: 10,993 - Reviews: 23 - Favs: 134 - Follows: 161 - Published: 10/30/2016 - S. Carter, J. O'Neill, Master Chief/John-117, C. Halsey
Halo: New Horizons
by creamofwheat2311 reviews
In 2559, and the UNSC has discovered a large anomaly on the edge of the galactic rim. What it turns out to be has the potential to change history, but maybe not in the way the UNSC intended. Meanwhile, with the first Death Star destroyed, the Rebel Alliance is desperately trying to overthrow the Empire, but it will take the help of new allies to liberate the galaxy. Discontinued.
Crossover - Star Wars & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 23 - Words: 155,262 - Reviews: 960 - Favs: 1,157 - Follows: 1,187 - Updated: 9/30/2016 - Published: 11/1/2012 - Luke S., G. Marek/Starkiller, T. Lasky - Complete
Upholders of the Mantle
by PVonTuckIII reviews
When a Orion Species Goverment vessel discovers the Clone Wars, the now superior UNSC and Covenant go head-to-head with the Galactic Republic in war to determine who will become the new holders of the Mantle: The Reclaimers and their Protectors, or the Ursurpers? (NOW A MULTI-VERSE CROSSOVER WITH WARFRAME)[ON HIATUS]
Crossover - Star Wars & Halo - Rated: T - English - Sci-Fi/Fantasy - Chapters: 9 - Words: 32,379 - Reviews: 118 - Favs: 179 - Follows: 207 - Updated: 5/20/2016 - Published: 3/23/2015
by FandomsForeva reviews
Because as awesome as the Avengers are, you can't break into someone's house, tranquilize them, and then take them in for questioning without a warrant. And really, can you see Annabeth letting something like that slide? Oneshot.
Crossover - Percy Jackson and the Olympians & Avengers - Rated: T - English - Parody/Humor - Chapters: 1 - Words: 1,269 - Reviews: 52 - Favs: 138 - Follows: 79 - Published: 11/15/2015
The Stars, My Destination
Poem: At night, Jean-Luc would look up at the sky. Looking to go where none had gone before.
StarTrek: The Next Generation - Rated: K - English - Poetry/Sci-Fi - Chapters: 1 - Words: 138 - Favs: 2 - Published: 11/13/2015 - J. Picard - Complete
The Long Road Home
by FuzyDr4G0NZ reviews
A UNSC battle group, led by an experimental battleship, end up stuck in the middle of a bitter war between Stargate Command and the Goa'uld. Will the Veterans from one war of survival be able to stop the insidious parasites and the other bad guys that follow after them?
Crossover - Stargate: SG-1 & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 4 - Words: 17,397 - Reviews: 77 - Favs: 250 - Follows: 374 - Updated: 9/8/2015 - Published: 12/14/2012 - S. Carter, J. O'Neill, M. Sullivan
Random Conversations with our Favorite Characters!
by RascalJoy reviews
Ever wonder what would happen if the Avengers and the demigods met? Utter chaos? Friendship? Or completely random, slightly out-of-character conversations that will simply crack you up? Welcome to the mind of a bored obsessed teenager! WARNING: Side-splitting laughter and shortness of breath may occur. Read at your own risk.
Crossover - Percy Jackson and the Olympians & Avengers - Rated: K+ - English - Humor - Chapters: 24 - Words: 34,016 - Reviews: 164 - Favs: 63 - Follows: 57 - Updated: 8/18/2015 - Published: 9/5/2013 - Complete
by Silver Simmons reviews
Charged with a crime he didn't technically commit, Perseus Jackson is put in jail. But when trouble arises within S.H.I.E.L.D maybe involving a piece of evidence collected from the scene of Percy's crime, the organization may have to recruit a criminal.
Crossover - Percy Jackson and the Olympians & Avengers - Rated: K+ - English - Adventure - Chapters: 7 - Words: 19,127 - Reviews: 227 - Favs: 505 - Follows: 793 - Updated: 7/9/2015 - Published: 7/1/2014
Worldwar: Clash of Empires
by Trevor the Enchanter reviews
The Conquest Fleet is delayed and WWII continues uninterrupted, but in 1982, astronomers detect strange objects entering our solar system... Currently under revision
Worldwar series - Rated: T - English - Chapters: 23 - Words: 172,609 - Reviews: 133 - Favs: 160 - Follows: 141 - Updated: 7/5/2015 - Published: 7/29/2014 - Complete
The Lily Potter Foundation
by theflyinfoote reviews
After the Battle of Hogwarts, Harry looks for something new to do with his life. Mix in a little heart ache and the Wizarding World is in for some changes.
Harry Potter - Rated: T - English - Romance/Family - Chapters: 24 - Words: 91,684 - Reviews: 929 - Favs: 2,170 - Follows: 1,458 - Updated: 4/20/2015 - Published: 7/14/2014 - Harry P., Hermione G., Andromeda T., Dr. Granger - Complete
It's Lighter Than It Looks
by Anna575 reviews
Or, five times Percy picks up Thor's hammer without the team seeing and one time they do. One-shot.
Crossover - Percy Jackson and the Olympians & Avengers - Rated: K - English - Humor/Family - Chapters: 1 - Words: 3,835 - Reviews: 120 - Favs: 2,163 - Follows: 744 - Published: 3/21/2015 - Percy J., Thor - Complete
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: 36062 - Favs: 27,990 - Follows: 20,470 - Updated: 3/14/2015 - Published: 2/28/2010 - Harry P., Hermione G. - Complete
Hermione Granger and the Marriage Law Revolution
by Starfox5 reviews
Hermione Granger deals with the marriage law the Wizengamot passed after Voldemort's defeat - in the style of the French Revolution. Old scores are settled but new enemies gather their forces, determined to crush the new British Ministry.
Harry Potter - Rated: M - English - Drama - Chapters: 31 - Words: 127,718 - Reviews: 998 - Favs: 2,041 - Follows: 1,426 - Updated: 2/28/2015 - Published: 8/5/2014 - [Harry P., Hermione G.] Ron W., Viktor K. - Complete
The Onyx Stars
by The Hidden Sith reviews
A lost ship, a lost warrior, and a lost mind find themselves stranded in an unknown world. Full of vast wonders, threats, and opportunities, this new world is an unknown element for a crew accustomed to war and hardship. But, all Edens fall and beyond the embers of war lay the dawn of victory. Halo/Mass Effect AU John/Cortana, Lasky/Palmer
Crossover - Halo & Mass Effect - Rated: T - English - Adventure - Chapters: 16 - Words: 143,775 - Reviews: 477 - Favs: 838 - Follows: 976 - Updated: 1/22/2015 - Published: 12/9/2012 - Master Chief/John-117
HALO: The Andromeda War
by UH-60 NIGHTSTALKER reviews
Takes place 20 years after the first story. War drums are starting to sound once again and soon, the final battle to detremine the fate of Adromeda shall begin.
Crossover - Star Wars & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 47 - Words: 191,096 - Reviews: 1306 - Favs: 994 - Follows: 839 - Updated: 1/1/2015 - Published: 2/27/2013 - Complete
Of Their Own Accord
by DeathBladeVI reviews
Humanity makes first contact with batarians. Aided by batarian separatists, they are able to rise on a galactic scale. With a new war breaking out, a resurgent krogan empire and humanity make war, and a combined human-turian task force makes a startling discovery that could tilt the balance of the galaxy.
Mass Effect - Rated: T - English - Sci-Fi/Suspense - Chapters: 3 - Words: 9,764 - Reviews: 8 - Favs: 41 - Follows: 63 - Updated: 12/31/2014 - Published: 7/18/2014
Harry Potter, the Geek
by Andrius reviews
The summer before his fifth year, Harry obtains a computer and an internet connection. Two months later, he emerges a changed person, for what has been seen cannot be unseen. AU with the whole Harry Potter timeline moved forward to the modern day. References to internet memes, video games, anime, etc.
Harry Potter - Rated: M - English - Humor/Adventure - Chapters: 23 - Words: 65,269 - Reviews: 730 - Favs: 3,222 - Follows: 1,701 - Updated: 6/7/2014 - Published: 10/30/2013 - Harry P. - Complete
Halo: The Human Effect
by MJOLNIR117 reviews
Following the Human-Covenant War, Humanity finds a buried device that allows trans-galactic travel far faster than Slipspace. It was heralded as the greatest scientific find in Human history; the rest of the galaxy simply calls it the Mass Effect. Now mankind needs to forge a new place for itself among the stars.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 20 - Words: 67,131 - Reviews: 449 - Favs: 690 - Follows: 808 - Updated: 3/27/2014 - Published: 7/12/2010
Mass Effect: The First War
by ProfFartBurger reviews
The Prothean Ruins weren't. They contained little more than mentionings of an Alien Society; as a result, humanity develops on a completely different path than what was intended, and when first contact is made not with the Turians, but a desperate, destitute race viewed as beggars and thieves, how will this dying race change Humanity? And how will Humanity change the Galaxy? *A/U!*
Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 22 - Words: 200,906 - Reviews: 1889 - Favs: 3,854 - Follows: 2,801 - Updated: 1/12/2014 - Published: 1/26/2013 - OC - Complete
I Didn't Choose the NPC Life
You Are Not the Hero Poem: Petula didn't choose to be an NPC. But with a group of player characters entering her villagage, ransacking every house they entered for loot and means to buff their stats, she didn't have much of a choice.
Misc. Games - Rated: K - English - Poetry/Fantasy - Chapters: 1 - Words: 328 - Favs: 2 - Published: 12/7/2013 - Complete
by Eterna1Soldier reviews
An Asari research team is dispatched by the Thessian Council to an unexplored region of space. Their mission? Observe and document the cultural and technological progression of a newly discovered pre-space flight species.
Mass Effect - Rated: T - English - Drama/Tragedy - Chapters: 2 - Words: 7,273 - Reviews: 116 - Favs: 347 - Follows: 452 - Updated: 12/1/2013 - Published: 10/14/2013
Advent: Rise of the Reclamation
by WaaagMaster reviews
The Stars hold a race divided. The first, a people determined to survive in an unrelenting and cruel galaxy, and who remember what their race once was, the other a people trying to find their place in a crowded galaxy. When the remnants of the Loyalist Covenant come across a Alliance colony it sets in motion the reunification of a Civilization that has almost been forgotten. (AU)
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 3 - Words: 4,492 - Reviews: 16 - Favs: 58 - Follows: 70 - Updated: 9/15/2013 - Published: 8/26/2013 - Rtas 'Vadumee, Admiral Hackett, Saren A., Nihlus K.
What If: The Race Probe reaches Present Day Earth?
by Drgyen reviews
Alternate history one-shot of Harry Turtledove's Worldwar series. Instead of the Race probe arriving to Earth in 1141, what if the Race probe reaches Earth today?
Worldwar series - Rated: K - English - Sci-Fi - Chapters: 1 - Words: 1,912 - Reviews: 29 - Favs: 80 - Follows: 56 - Published: 5/22/2013 - Complete
Mass Effect: Intertwined History
by Artificial Care reviews
Just 10 years after the Interplanetary War, after Humanity is unified under the UNSC, do they meet the Turian Hierarchy in the First Contact War. After being introduced to the Galactic Community and technology which will allow them to colonize other systems, what effect will the early Halo Humanity have on the galaxy? Will they be prepared for the trials to come?
Crossover - Halo & Mass Effect - Rated: M - English - Mystery/Sci-Fi - Chapters: 3 - Words: 11,729 - Reviews: 191 - Favs: 310 - Follows: 409 - Updated: 4/7/2013 - Published: 4/4/2013
by Ynyr reviews
In the year 2980 a team of archeologists discovers a secret autobiography written by Harry Potter, the Great Seeker who brought peace and prosperity to the world. It paints a very different picture than the one found in the official history books.
Harry Potter - Rated: M - English - Drama - Chapters: 6 - Words: 31,717 - Reviews: 238 - Favs: 873 - Follows: 1,058 - Updated: 3/19/2013 - Published: 12/21/2012 - Harry P.
The Unbreakable Vow
by Ash Darklighter reviews
Strange lights are seen across a deserted country lane. The wizarding world is calling him home.
Harry Potter - Rated: T - English - Drama/Romance - Chapters: 37 - Words: 264,559 - Reviews: 1775 - Favs: 2,017 - Follows: 2,184 - Updated: 2/24/2013 - Published: 8/5/2007 - Harry P., Ginny W.
HALO: The Terran Republic Affair
by UH-60 NIGHTSTALKER reviews
When the Newly formed Terran Union and its allies make contact with the Galactic Republic, it sets off in motion events that would shake up a galaxy that is not so far away. Slight A/U.
Crossover - Star Wars & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 32 - Words: 79,884 - Reviews: 1013 - Favs: 1,220 - Follows: 833 - Updated: 2/15/2013 - Published: 8/18/2012 - Complete
The Price of Unity
by Lord Caelum reviews
Multi crossover with a Halo and Star Wars focus. Decades after the Human-Covenant war, Grey Team has been recovered, bringing information that had cost them their lives. A new conflict is on the Horizon. [DISCONTINUED]
Crossover - Star Wars & Halo - Rated: M - English - Sci-Fi - Chapters: 20 - Words: 132,388 - Reviews: 139 - Favs: 177 - Follows: 173 - Updated: 9/23/2012 - Published: 12/5/2010
The Homecoming Saga
by DigitalEccentric reviews
The Human/Covenant War is over, but when two worlds collide a new fight begins. A fight for survival, a fight for acceptance, a fight for truth, and one soldier's fight to lead a lost generation back home. AU HaloxBattlestar Galactica. T rating. Unfinished.
Crossover - Halo & Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi/Adventure - Chapters: 11 - Words: 25,934 - Reviews: 139 - Favs: 178 - Follows: 187 - Updated: 5/1/2012 - Published: 11/2/2007 - Master Chief/John-117, Cortana, W. Adama - Complete
A New Age
by Sigma-del-Prisium reviews
The Human-Covenant War is over, and humanity is slowly recovering their strength. But unknown to them and their allies, their worlds will soon make contact with rest of the galaxy. First Time FanFiction. Please Enjoy. [ON HAITUS/REPLACEMENT GOING ON]
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 18 - Words: 73,443 - Reviews: 492 - Favs: 558 - Follows: 540 - Updated: 10/23/2011 - Published: 11/27/2010
by College Fool reviews
A species without Paragons is one with a sad and terrible history. Humanity enters a very different First Contact War, and Mass Effect as you know it will change. Warning: this fic may make you rage and wish genocidal retributions against aliens.
Mass Effect - Rated: K+ - English - Chapters: 70 - Words: 95,544 - Reviews: 948 - Favs: 1,079 - Follows: 645 - Updated: 9/25/2011 - Published: 7/11/2011
Fist Knife Wand Gun
by Zarohk Korobase reviews
When Hermione Granger punched Draco Malfoy, she unknowingly started a revolution. Parents of Muggleborn students do not wish to see their children defenseless, but that is an escalation in and of itself.
Harry Potter - Rated: T - English - Family - Chapters: 1 - Words: 1,087 - Reviews: 18 - Favs: 26 - Follows: 16 - Published: 9/25/2011 - Colin C. - Complete
Red In Tooth And Claw
by JA Baker reviews
When the crew of Galactica encounters the remains of the Forward Unto Dawn, life starts to get a lot more complicated for all involved, including an old enemy...
Crossover - Halo & Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi/Adventure - Chapters: 60 - Words: 139,295 - Reviews: 1591 - Favs: 1,315 - Follows: 986 - Updated: 3/13/2011 - Published: 2/12/2008 - [Master Chief/John-117, Cortana] - Complete
by sarge2.0 reviews
six year old harry is beaten and abused by the dursleys and left for dead, he is saved by Molly Weasley and ginny while recovering he bonds with ginny soul bond fic. ooc powerful harry, dumbles ron bashing. eventually h/hr/g on hiatus
Harry Potter - Rated: M - English - Drama - Chapters: 14 - Words: 60,531 - Reviews: 424 - Favs: 684 - Follows: 783 - Updated: 2/2/2011 - Published: 7/9/2010 - Harry P., Ginny W.
by GenkaiFan reviews
Harry has had enough of seeing his reputation shredded in the Daily Prophet and decides to do something about it. Only he decides to embrace his Slytherin side to rectify matters.
Harry Potter - Rated: T - English - Drama/Humor - Chapters: 32 - Words: 74,506 - Reviews: 9802 - Favs: 27,695 - Follows: 11,181 - Updated: 6/21/2010 - Published: 12/3/2009 - Harry P. - Complete
The Moment It Ended
by Sindie reviews
A short story sequel to The Moment It Began. When the anniversary of Severus's death comes around, how does he cope with telling his son? Can he tell his son?
Harry Potter - Rated: K+ - English - Romance/Drama - Chapters: 7 - Words: 13,322 - Reviews: 200 - Favs: 464 - Follows: 262 - Updated: 6/16/2010 - Published: 4/1/2010 - Severus S., Lily Evans P. - Complete
The Wrath of the Half Blood Prince
by Matt Quinn reviews
Mulciber pranked Mary Macdonald and Snape did not care; what if he had pranked Lily instead?
Harry Potter - Rated: T - English - Fantasy - Chapters: 88 - Words: 193,218 - Reviews: 2104 - Favs: 785 - Follows: 365 - Updated: 5/2/2010 - Published: 1/21/2008 - Severus S., Lily Evans P. - Complete
We Will Heal Together
by nicraydoi reviews
Affected by the war in each their different way, faith will have them meet, fall in love and heal each other...
Lord of the Rings - Rated: K - English - Hurt/Comfort/Romance - Chapters: 1 - Words: 2,327 - Reviews: 9 - Favs: 30 - Follows: 3 - Published: 2/13/2010 - Eomer, Lothíriel - Complete
Breakfast In New York
by Radaslab reviews
Hermione left to find her parents and was never seen nor heard from again until years later when an old friend stumbled into her at a hotel in New York. They would both learn things about each other neither had expected and found a life neither had.
Harry Potter - Rated: M - English - Romance/Drama - Chapters: 31 - Words: 213,229 - Reviews: 1143 - Favs: 3,426 - Follows: 1,355 - Updated: 1/8/2010 - Published: 6/15/2009 - Harry P., Hermione G. - Complete
by Ten Toes reviews
REVISED. one-shot told by Lucius Malfoy. What might happen if the Death Eaters got what they wished for…
Harry Potter - Rated: K - English - Chapters: 1 - Words: 7,964 - Reviews: 411 - Favs: 3,563 - Follows: 862 - Published: 6/28/2008 - Lucius M. - Complete