Harry Potter and Mass Effect Crossovers
39 | Page 1 2 Next »

Ragamuffins and Reapers by dead.but.true reviews
Entering what he thought would be a peaceful afterlife, Harry gets instead thrown into a conflict of a galactic scale. Now Master of Death, he and his ragtag bunch of companions must save the world - and preferably keep their sanity.
Rated: T - English - Humor/Adventure - Chapters: 6 - Words: 17,602 - Reviews: 24 - Favs: 84 - Follows: 123 - Updated: 6h - Published: 6/25 - Harry P., OC
A Paragon of Magic by Alex Blackclaw reviews
Shepard finally did it. She had destroyed the Reapers, just as she promised she would. However, things didn't go according to plan. Instead of dying or maybe falling to Earth with the wreckage of the Crucible, she instead finds herself thrown into a life she never lived, facing things that were only fairy tales to her. Join Morgana Lilian Shepard as she takes on a whole new world!
Rated: T - English - Adventure/Romance - Chapters: 5 - Words: 41,282 - Reviews: 86 - Favs: 138 - Follows: 214 - Updated: 8/30 - Published: 7/15 - [Shepard (F), Liara T'Soni]
Beyond The Veil by NaniteSystems reviews
Harry's unspeakably bored, and bored Unspeakables make bad decisions. Like jumping through the Veil of Death, when they're barely even certain it's safe. Where it goes? …That's still a mystery. But hey! "Chase that flighty temptress adventure," right?...Right? - Harry steps through the Veil, and into Mass Effect. The Reapers won't know what hit them. MODHarry.
Rated: T - English - Adventure/Sci-Fi - Chapters: 21 - Words: 192,665 - Reviews: 902 - Favs: 3,510 - Follows: 4,655 - Updated: 6/26 - Published: 9/2/2016 - [Harry P., Shepard (F)]
Fate Of The Geth by Simi Zor-El reviews
Fem!Harry, Femslash. Xena Black hated the life she was forced to live. After being forced to return to her "relatives", she decides enough is enough and uses a bit of old magic to find a new beginning. Although, saving the galaxy wasn't what she had in mind.
Rated: T - English - Chapters: 1 - Words: 8,489 - Reviews: 20 - Favs: 130 - Follows: 197 - Published: 6/20
The Conflict Eternal by DagonKin reviews
When Humanity reached the stars, they quickly realized they were not alone. First Contact was not peaceful; the Ethereals quickly took notice of a species developing along a different path than the one planned by the 'Great Enemy'. They invaded Earth, seeking to uplift humanity - to enslave them. They failed, their invasion broken, sparking a war that has spanned millenina.
Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 2,769 - Reviews: 5 - Favs: 52 - Follows: 96 - Published: 6/17
An Archangel's Vengeance by SoundedSummer reviews
Dragged along as the Dursleys flee Financial Ruin, Harry finds himself on Omega after his disastrous fourth year. He arrives, and finds trouble that leaves him without his memory and no idea of who he is, just as a lost Garrus Vakarian wanders the station, looking for some form of redemption or relief from the grief of losing Shepard. Something about the waif of a boy reminds him o
Rated: T - English - Adventure/Family - Chapters: 1 - Words: 1,609 - Reviews: 7 - Favs: 50 - Follows: 86 - Published: 5/14 - Harry P., Voldemort, Shepard (F), Garrus V.
To Break Thy Chains and Cycles by WiseSilver reviews
Thought dead, Harry Potter reappears out of the Veil of Death, aged and far more powerful then before. After defeating Voldemort, Harry turns to his training under the Sith Lord Revan to conquer the Earth and spread humanity out into the stars. However he discovers that Humanity is not alone in the Galaxy and that an even darker evil than any Sith exsits. Harry x Fleur/ Grey Harry
Rated: T - English - Sci-Fi/Adventure - Chapters: 8 - Words: 44,327 - Reviews: 560 - Favs: 2,238 - Follows: 2,748 - Updated: 3/20 - Published: 6/14/2013 - [Harry P., Fleur D.]
A god among men by tdy4234 reviews
Harry has had a hell of a life, he has survived by playing the cards he is dealt. What happens when he hits his breaking point and starts using anything he can get his hands on to win? What happens when magic deals him a new hand? He pimp slaps Mass effect into submission taking shit from no one. Badass!Harry harem!Harry AU!
Rated: T - English - Romance/Adventure - Chapters: 8 - Words: 14,431 - Reviews: 123 - Favs: 601 - Follows: 884 - Updated: 12/2/2017 - Published: 1/16/2017 - Harry P., Liara T'Soni, Tali'Zorah, Aria T'Loak
Casus Belli by Pax Humana reviews
The Turians called their first meeting raiding a pirate base. The Alliance called First Contact a reason to go to war. A teaser for a longer story I have in the works.
Rated: T - English - Sci-Fi/Drama - Chapters: 1 - Words: 810 - Reviews: 25 - Favs: 95 - Follows: 133 - Published: 10/12/2017 - Complete
The Sisterhood by Laetus Fabricor reviews
The good of the many does not out way the good of the few. The Sisterhood lives by this creed and if necessary, they will use force to take down those who use their money and power to get away with crimes. It isn't a surprise when they agree to join Shepard when she hunts them down. Only question is what the hell are their names? Thane x Harriet (fem!Harry), Jeff x Luna
Rated: T - English - Humor/Romance - Chapters: 4 - Words: 9,214 - Reviews: 15 - Favs: 122 - Follows: 176 - Updated: 7/28/2017 - Published: 7/12/2017 - [Harry P., Thane K.] [Luna L., Joker]
When You're Dead by thetickingclock18 reviews
It's near end of the 22nd century and apocalypse is approaching. The galaxy is still unprepared, the Reapers are coming, and the only person who can stop them is... dead? Well, Mr. Potter will fix that.
Rated: T - English - Adventure - Chapters: 2 - Words: 7,751 - Reviews: 25 - Favs: 276 - Follows: 531 - Updated: 4/5/2017 - Published: 7/29/2016 - [Shepard (F), Harry P.] Illusive Man
Three is a Prime Number by reinforced hell reviews
It is well known that women live longer than men. It is also well known that wizards live much longer than muggles. What does this mean for witches? What does that mean for someone that can switch easily between the two genders?
Rated: T - English - Sci-Fi - Chapters: 10 - Words: 29,274 - Reviews: 106 - Favs: 519 - Follows: 784 - Updated: 11/29/2016 - Published: 8/17/2016 - Harry P., Hermione G., Hannah A.
Mass Effect: Temporal Storm by Codename Dutchess reviews
On Hiatus. When Harry's raid on the Ministry of Magic to rescue Sirius goes awry, he gets thrown forward in time, approximately 184 years. Later, when the secret Alliance vessel Normandy goes on its first voyage to Eden Prime, how will Commander Shepherd cope with an upstart Corporal on his first real assignment?
Rated: T - English - Sci-Fi/Adventure - Chapters: 4 - Words: 6,560 - Reviews: 23 - Favs: 192 - Follows: 354 - Updated: 7/27/2016 - Published: 7/7/2016
Reaping Destiny by ShoredKafka reviews
Foolish humans, thinking to draw this soldier back to the realm of the living. Death does not allow souls to slip so easily from its grasp. But perhaps there is a way for all goals to be met. The Reapers presume to take my work upon themselves. I cannot teach them the error of their ways personally. It is time for my master to walk the mortal lands once more. MOD!Harry.
Rated: T - English - Chapters: 10 - Words: 76,611 - Reviews: 580 - Favs: 1,802 - Follows: 2,476 - Updated: 7/20/2016 - Published: 3/27/2015
Harbinger of Change by MirtaLayl reviews
Based off Ascension by Ulstem. In the wake of the reapers victory over the citidal races Harry Potter decides to go back in time to before the second rise of voldemort to prevent the Final solution and ensure humanity is ready for the comeing of the reapers. H/HG Weasley/Bashing UNDER REWRITE SEE PROFILE
Rated: T - English - Chapters: 2 - Words: 2,464 - Reviews: 20 - Favs: 137 - Follows: 238 - Updated: 7/15/2016 - Published: 7/11/2016 - [Harry P., Hermione G.] - Complete
Harry Potter and Mass Effect Crossover by johnny1701 reviews
With this story I want to find out what would change when Harry is the champion of God with a ship that can't be destroyed by anyone. If anyone wrights this story the rating can be any
Rated: K - English - Romance/Adventure - Chapters: 1 - Words: 300 - Reviews: 2 - Favs: 23 - Follows: 16 - Published: 2/12/2016 - [Harry P., Ashley W., Shepard (F), Liara T'Soni]
hijo de la luna by heromia reviews
you will need to find out yourselves
Rated: T - English - Romance/Friendship - Chapters: 6 - Words: 3,699 - Reviews: 17 - Favs: 16 - Follows: 23 - Updated: 7/1/2015 - Published: 6/11/2015 - Harry P., Luna L., Admiral Hackett, D. Anderson
A Toymaker takes a stand (Mass Effect 3Harry Potter) by DaemonWelsh reviews
A toymaker who has lived since world war one takes a stand, and steps forth to combat the great threat to the galaxy.
Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 2,114 - Reviews: 5 - Favs: 57 - Follows: 73 - Published: 4/29/2015
Death Bringer by Vopopal reviews
Darkness will come from the Skies. For eyed monsters will bring destruction and misery... And all hope will be lost, if the Death Bringer rejects his fate... But if he accepts, the enemy's worlds will burn... The Master of Twig, Shred and Shard will bring victory. And Death will follow beside him...
Rated: T - English - Drama - Chapters: 1 - Words: 695 - Reviews: 18 - Favs: 59 - Follows: 102 - Published: 4/13/2015 - Harry P.
Ave Gaia by Lavaflow reviews
Shanxi has been attacked by aliens. General Williams sees no option but eventual surrender. The magical world has... other ideas.
Rated: T - English - Sci-Fi - Chapters: 2 - Words: 4,283 - Reviews: 116 - Favs: 683 - Follows: 1,001 - Updated: 12/31/2014 - Published: 12/30/2014 - Harry P.
Harry Potter: Geth by mjimeyg reviews
During the final battle Harry is hit with a luck spell... but who exactly got lucky? Harry finds himself in the future fighting a new war when all he wants to do is have a nice and easy life. So he decides to have fun instead.
Rated: T - English - Humor/Adventure - Chapters: 43 - Words: 276,717 - Reviews: 2382 - Favs: 5,736 - Follows: 3,099 - Updated: 11/19/2014 - Published: 10/27/2014 - [Tali'Zorah, Harry P.] [Shepard (M), Ashley W.] - Complete
Ascension by Ulstem reviews
The battle at the Department of Mysteries went differently for Harry. Trapped in a new time and being the last wizard alive, Harry must find a way home while evading enemies far darker than he has ever faced before.- Pre-ME1 to Pre-ME2.
Rated: T - English - Adventure/Drama - Chapters: 34 - Words: 141,467 - Reviews: 1375 - Favs: 2,896 - Follows: 2,569 - Updated: 9/4/2014 - Published: 1/8/2014 - Harry P., Shepard (F) - Complete
The Grey Lord 3: The Crazy Years by nobodez reviews
Third in the Grey Lord series. Continues after the events of the Independence Lich. Covers the one hundred fifty years between the end of the Acrid invasion and the introduction of the Children of the Solar System to the Citadel Council. HP X ID4 X ME. INCOMPLETE.
Rated: T - English - Adventure/Sci-Fi - Chapters: 12 - Words: 48,001 - Reviews: 58 - Favs: 200 - Follows: 210 - Updated: 7/9/2014 - Published: 5/6/2014 - Hermione G., Hannah S., OC - Complete
Mass Effect: Wizarding Edition by ShadowsEchoes reviews
Crossover! Harry potter never expected to find anything quite as amazing as the SSV Normandy when that spell backfired, but hey when are things ever normal around him? Pairings [Shepard (F)/Liara T'Soni] [Harry Potter/Undecided] No slash, no smut, should stay teen but we'll see what happens.
Rated: T - English - Adventure/Romance - Chapters: 4 - Words: 4,372 - Reviews: 40 - Favs: 118 - Follows: 209 - Updated: 7/3/2014 - Published: 4/14/2014 - Harry P.
The effects of magic by ElectroVenik reviews
Take our current reality, add Harry Potter world, fast forward to Mass Effect era. Alternate!Humanity, Alternate First Contact. Story starts as the Trio escape from Malfoy Manor and goes AU from here. A lot of OOC. Master-of-Death!Harry, no pairings as of yet, fast-paced. See A/N for additional details.
Rated: T - English - Adventure/Sci-Fi - Chapters: 8 - Words: 26,383 - Reviews: 233 - Favs: 815 - Follows: 1,111 - Updated: 6/12/2014 - Published: 5/9/2014 - Harry P., Shepard (M)
39 | Page 1 2 Next »