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Harry Potter and Mass Effect Crossovers
9 The Dream Effect » by DarkPhoenixLady A rewrite of the original dream effect. Set hundreds of years after the Deep Dream series. Humanity has been slowly expanding across space, and has just encountered the citadel races. After a rocky start, the two groups start to co-exist. Then someone attacks Eden Prime and tries to remove the prothean beacon.
T, English, Sci-Fi & Fantasy, chapters: 24, words: 113k+, favs: 50, follows: 76, updated: 10/24 published: 5/9, Liara T'Soni, Tali'Zorah, Shepard
13 When magic decides one war isn't enough » by Alykto Following Voldemort's return after the Triwizard Tournament, Dumbledore realized he couldn't possibly handle the incoming conflict on his own. He needed a general to prepare the war. His summoning ritual then dragged Commandant Shepard, Specter and N7 Alliance Marine fighting the Reapers to 12 Square Grimmault.
T, English, Adventure & Hurt/Comfort, chapters: 7, words: 11k+, favs: 26, follows: 32, updated: 10/19 published: 6/29, Harry P., Ron W., Hermione G., Shepard
9 Blue Animagus » by Baron Zed Omake for Tellur's Blue Magic. Harry has some directed accidental magic. Hermione researches how to get what she wants.
T, English, Sci-Fi & Fantasy, chapters: 3, words: 11k+, favs: 70, follows: 82, updated: 2/19 published: 2/15, [Harry P., Hermione G.] Liara T'Soni
255 A god among men » by tdy4234 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! dead/up for adoption
T, English, Romance & Adventure, chapters: 11, words: 18k+, favs: 1k+, follows: 1k+, updated: 1/17 published: 1/16/2017, Harry P., Liara T'Soni, Tali'Zorah, Aria T'Loak
12 Siblings of Metal » by Tyara Laedros Everyone know the story of Harry Potter and his friends. But how many of you know the story of the Siblings of Metal ? No history book ever mentioned them. They are the forgotten names. The unknown heroes... John Shepard was a Slytherin, joining Hogwarts the same year Potter did. And he has a story for you... HP x Mass Effect Crossover. NOW COMPLETE
T, English, Adventure & Friendship, chapters: 29, words: 127k+, favs: 47, follows: 59, updated: 6/14/2021 published: 8/8/2019, Ashley W., Kaidan A., Miranda L., Shepard
27 Harry Potter and the Watchers of Earth » by ThePilotArchangel "What's that Arthur C. Clarke quote? 'Any sufficiently advanced technology is indistinguishable from magic.' Well that doesn't rule out magic!" -Ross Scott, Freeman's Mind. For Liara T'Soni and the tiny crew of the Council Exploration Ship Morningstar, they are about to learn just how true that saying could be; and it would come in the form of a boy by the name of Harry Potter.
T, English, Sci-Fi & Fantasy, chapters: 2, words: 15k+, favs: 237, follows: 433, updated: 3/26/2021 published: 3/22/2021, Harry P., Albus D., Liara T'Soni, OC
622 To Break Thy Chains and Cycles » by WiseSilver 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 exists. (Dead with Summary)
T, English, Sci-Fi & Adventure, chapters: 9, words: 44k+, favs: 2k+, follows: 3k+, updated: 3/14/2021 published: 6/14/2013, [Harry P., Fleur D.]
10 Harry Shepard » by colinot Après sa mort, les reliques proposent à Harry une seconde chance dans un autre monde. Elles oublient juste de lui mentionner un petit détail... (EN PAUSE)
T, French, Humor, chapters: 5, words: 10k+, favs: 33, follows: 39, updated: 2/26/2021 published: 1/29/2021, Harry P., Shepard
47 Mass Effect: Temporal Storm » by Codename Dutchess 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?
T, English, Sci-Fi & Adventure, chapters: 6, words: 10k+, favs: 377, follows: 647, updated: 7/20/2020 published: 7/7/2016
1 Codex for the Great Anomaly by Dumbnoobe Title says it all.
T, English, words: 414, favs: 8, follows: 8, 1/9/2020
17 A Strange Future - An Empty Past » by Twilit Bakery Harriet Potter needed a fresh start; her friends were all dead, she had spent a lot of the past decades (centuries?) inside, learning what she could about magic, and when she tried to portkey to Gringotts she was trapped in some sort of metal coffin. Maybe now would be a good time to take a nap... Fem!HarryxSaraxPeebee
T, English, Romance & Adventure, chapters: 2, words: 6k+, favs: 149, follows: 266, 11/13/2019, Harry P., Sara Ryder, Peebee S.
66 The Veil » by Angler11235 Before he ever attends Hogwarts, Harry goes through the Veil of Death. He must adapt in order to survive and thrive in the alien universe he finds himself in.
T, English, Adventure, chapters: 5, words: 25k+, favs: 424, follows: 715, updated: 6/18/2019 published: 5/19/2019, Harry P., Liara T'Soni
46 Ragamuffins and Reapers » by dead.but.true 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.
T, English, Humor & Adventure, chapters: 9, words: 29k+, favs: 200, follows: 276, updated: 1/26/2019 published: 6/25/2018, Harry P., OC
55 Elements of Attraction » by Pax Humana Sequel to the Potter Attraction set centuries after Reunification and the discovery of Martian ruins, after unification under the Solar (later Stellar) Alliance, after eezo, magic and chakra combined to take people to the stars. Peace was theirs in a Golden Age until a strange ship showed up out of the black. What followed would upset everything. Partially published as Casus Belli.
T, English, Sci-Fi & Adventure, chapters: 4, words: 24k+, favs: 484, follows: 591, updated: 11/17/2018 published: 9/30/2018
101 A Paragon of Magic » by The Dark Warden 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!
T, English, Adventure & Romance, chapters: 5, words: 41k+, favs: 302, follows: 443, updated: 8/30/2018 published: 7/15/2018, [Liara T'Soni, Shepard]
1k+ Beyond The Veil » by NaniteSystems After the Battle of Hogwarts Harry finds himself rising through the ranks of the Ministry's Unspeakables. All is well until one day a strange set of runes carved into the base of the Veil of Death catches his eye. After a hint from the Hallows, Harry steps through the Veil and into a strange new world. But not all is as it seems. Threats both old and new lurk in the darkness.
T, English, Adventure & Sci-Fi, chapters: 21, words: 192k+, favs: 4k+, follows: 5k+, updated: 6/26/2018 published: 9/2/2016, [Harry P., Shepard]
7 The Conflict Eternal by DagonKin 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.
T, English, Adventure & Sci-Fi, words: 2k+, favs: 81, follows: 146, 6/17/2018
11 An Archangel's Vengeance by SoundedSummer 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
T, English, Adventure & Family, words: 1k+, favs: 66, follows: 115, 5/14/2018, Harry P., Voldemort, J. Garson, Garrus V.
26 Casus Belli by Pax Humana 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.
T, English, Sci-Fi & Drama, words: 810, favs: 124, follows: 161, 10/12/2017
17 The Sisterhood » by Galaxy Brain 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
T, English, Humor & Romance, chapters: 4, words: 9k+, favs: 167, follows: 222, updated: 7/28/2017 published: 7/12/2017, [Harry P., Thane K.] [Luna L., Joker]
26 When You're Dead » by thetickingclock18 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.
T, English, Adventure, chapters: 2, words: 7k+, favs: 295, follows: 546, updated: 4/5/2017 published: 7/29/2016, [Shepard, Harry P.] Illusive Man
120 Three is a Prime Number » by reinforced hell 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?
T, English, Sci-Fi, chapters: 10, words: 29k+, favs: 626, follows: 894, updated: 11/29/2016 published: 8/17/2016, Harry P., Hermione G., Hannah A.
611 Reaping Destiny » by dreamingofthemoon 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.
T, English, chapters: 10, words: 76k+, favs: 1k+, follows: 2k+, updated: 7/20/2016 published: 3/27/2015
23 Harbinger of Change » by MirtaLayl 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
T, English, chapters: 2, words: 2k+, favs: 143, follows: 252, updated: 7/15/2016 published: 7/11/2016, [Harry P., Hermione G.]
4 Harry Potter and Mass Effect Crossover by johnny1701 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
K, English, Romance & Adventure, words: 300, favs: 30, follows: 28, 2/12/2016, [Harry P., Ashley W., J. Garson, Liara T'Soni]
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