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The Stormreaver by
Faykan reviews
A tale of demonic manipulation and a warring Alliance trying to defend their world from a rampaging Horde. Thrown into the mix of this world before he could even walk or talk, Infant Harry Potter is placed into the hands of the most powerful Warlock of his people, Darkness Incarnate himself: Gul'dan, chieftain of the Stormreaver Clan.
Crossover - Harry Potter & Warcraft - Rated: T - English - Adventure/Fantasy - Chapters: 86 - Words: 590,902 - Reviews: 1174 - Favs: 1,800 - Follows: 1,945 - Updated: 13h - Published: 5/31/2016 - Harry P., Gul’dan
Void Berserker Series Book 1: The Red Legion by
DespertaFerro reviews
Lord Ghathrax of the World Eaters is summoned by a strange pink-haired girl after his army is massacred. Read about the brutal war that will ensue, and discover the truth behind the legendary prophecy of the Void Berserker. Based on Zero no Tsukaima events during the Albion War. Rated M for extreme violence, sexual content and occasional foul language.
Crossover - Warhammer & Familiar of Zero - Rated: M - English - Sci-Fi/Fantasy - Chapters: 26 - Words: 88,896 - Reviews: 206 - Favs: 316 - Follows: 367 - Updated: 6/27 - Published: 9/19/2014 - Khorne, Louise, Henrietta, OC
Mythos Effect by
Omniscent1 reviews
A crossover between Mass Effect and Cthulhutech. Humanity has won the Aeon War and has since expanded and thrived. How will the galaxy fare with this new power?
Crossover - Cthulhu Mythos & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 18 - Words: 122,364 - Reviews: 1072 - Favs: 3,024 - Follows: 3,426 - Updated: 4/6 - Published: 6/5/2013 - Shepard (M)
Power of Eclipse by
NHunter reviews
An ancient curse is reborn, powered by anger and sated by blood, its might dimming Magic itself. And now one unlucky child wields it. This is the story of Harry Potter and his cursed power, the power of Eclipse. ••• Warning: this is NOT a nice story. It's rated M for violence, and for a reason. ••• Collaboration project with greysongarr
Crossover - Harry Potter & Magical Girl Lyrical Nanoha - Rated: M - English - Adventure - Chapters: 12 - Words: 54,537 - Reviews: 100 - Favs: 289 - Follows: 324 - Updated: 12/22/2018 - Published: 1/21/2017
Biomass Effect by
Beastrider9 reviews
All life on Earth had been consumed by Blacklight. With no Biomass to feed on, Blacklight had to evolve, adapt, and grow. Now a collective Council of Aliens discovers the existence of such a life form. How do the aliens see a form of life that is viral, how they deal with it, what are the consequences to the galaxy of such a race existing at all.
Crossover - Mass Effect & Prototype - Rated: M - English - Sci-Fi - Chapters: 59 - Words: 303,766 - Reviews: 2633 - Favs: 3,564 - Follows: 3,992 - Updated: 12/3/2018 - Published: 8/8/2014
The Rise of Darth Veneficus by
Faykan reviews
A dark power is rising. An ancient enemy with a new face. Can the Republic and the Jedi Order withstand the storm of the new Sith Emperor, Darth Veneficus? Sequel to Harry Potter and the Power of the Dark Side.
Crossover - Star Wars & Harry Potter - Rated: T - English - Sci-Fi/Adventure - Chapters: 65 - Words: 437,899 - Reviews: 657 - Favs: 867 - Follows: 886 - Updated: 5/22/2018 - Published: 12/8/2015 - Yoda, Harry P., Draco M., Luna L. - Complete
The Fifth Age by
Ruinus reviews
As the Citadel species draw up secret plans to combat the Reaper threat, something old and ancient is discovered in the depths of space.
Crossover - Mass Effect & Secret World - Rated: M - English - Horror/Sci-Fi - Chapters: 23 - Words: 87,658 - Reviews: 48 - Favs: 133 - Follows: 164 - Updated: 1/7/2018 - Published: 11/2/2015
Fate Revelation Online by
daniel-gudman reviews
Ilya likes to play video games, and in the time she has remaining, Shirou is more than willing to play the new VR game with her. But when they are trapped inside the game, [Sword Art Online], they determine something even more distressing: Kayaba Akihiko is definitely a Magus.
Crossover - Fate/stay night & Sword Art Online/ソードアート・オンライン - Rated: T - English - Sci-Fi/Fantasy - Chapters: 79 - Words: 400,880 - Reviews: 1667 - Favs: 3,259 - Follows: 3,432 - Updated: 11/18/2017 - Published: 10/5/2013 - Illyasviel von Einzbern, Shirō E., Asuna/Asuna Y., Kirito/Kazuto K.
Star Wars: The Sith, Zero by
Advena Phillips reviews
Louise's last chance to show everyone that she is a mage, a true noble: The Springtime Familiar summoning. But when things go awry, the pinkette finds herself enslaved by an Empire she knows nothing about in a galaxy far, far way. Will Louise stay the noble she thinks she is, or will she become something else...
Crossover - Star Wars & Familiar of Zero - Rated: T - English - Fantasy/Sci-Fi - Chapters: 21 - Words: 173,071 - Reviews: 235 - Favs: 347 - Follows: 339 - Updated: 7/30/2017 - Published: 5/21/2016 - Khem V., Sith I., Sith W., Louise - Complete
Event Horizon Book 1: Autumn's Frontier by
Spartan-168-Django reviews
The Realm is forever changed when a new player in the Game arrives: space explorers from future Earth, looking for a planet just ripe for colonization. But just what awaits the people of Earth here in the World of Ice and Fire? And how will their powerful technology and ideas transform Westeros, for better or worse? Let the adventure begin!
A song of Ice and Fire - Rated: M - English - Sci-Fi/Parody - Chapters: 114 - Words: 297,851 - Reviews: 528 - Favs: 565 - Follows: 402 - Updated: 7/28/2017 - Published: 2/1/2015 - Daenerys T./Dany, Jon S., Eddard S./Ned, Robb S. - Complete
The Root of Darkness by
Amorphis760 reviews
I was nothing special before I died the first time but when something offers me the chance to live again I take it. Reborn into a world of death I will survive. There will be no mercy and no pity. For there are monsters that roam this world and to survive I might have to become one myself. Elements of the Gamer and X-overs in later chapters.
Crossover - Naruto & Harry Potter - Rated: M - English - Adventure - Chapters: 38 - Words: 246,626 - Reviews: 2344 - Favs: 4,888 - Follows: 5,371 - Updated: 7/5/2017 - Published: 1/8/2017 - OC
Further Adventures of Tanya the Evil by
Aguy.SB reviews
Enemy and victim of Being X (aka, 'god'), reincarnated salaryman, child soldier, military prodigy, and victor of the Great War. What will you do next? Start to takeover a fantasy version of Rome after being reborn (again). Arc 1: Gate (complete). Reposted from Spacebattles.
Crossover - Gate - Jietai Kare no Chi nite, Kaku Tatakeri & Youjo Senki: Saga of Tanya the Evil - Rated: T - English - Adventure/Fantasy - Chapters: 14 - Words: 55,674 - Reviews: 30 - Favs: 178 - Follows: 134 - Published: 6/26/2017 - Complete
Stars Fade by
totallybursar reviews
Shepard knows that destroying the Reapers will kill her. Trouble is, she's never been good at dying. The explosion of dark energy from the Crucible thrusts Shepard into a totally different universe. Post ME3 ending, DA2 Act 2 beginning. Please note that this is not a FemShep/F!Hawke fic. THIS STORY HAS RECENTLY BEEN EDITED TO ALIGN WITH GAME CANON REVEALED IN DA:I
Crossover - Mass Effect & Dragon Age - Rated: M - English - Chapters: 40 - Words: 208,216 - Reviews: 2020 - Favs: 2,446 - Follows: 2,781 - Updated: 6/5/2017 - Published: 5/16/2012 - Shepard (F), Varric T., Hawke (F)
The Familiar of Change by
Pit Nyburus reviews
When Louise began her summoning, never did she imagine that she would summon a disciple of the Lord of Change. Is Halkagenia ready for the twisted plots and ploys of a follower of Tzeentch, and what twisted fate awaits them.
Crossover - Warhammer & Familiar of Zero - Rated: T - English - Sci-Fi/Fantasy - Chapters: 8 - Words: 13,708 - Reviews: 91 - Favs: 209 - Follows: 315 - Updated: 2/11/2017 - Published: 5/3/2013 - Chaos Space Marines, Louise
Faith and Wit by
A Cynical Owl reviews
After a struggle to save an Imperial world from damnation, the remains of an Inquisitorial team and their temporary Eldar Allies are thrown into a universe the antithesis of their own.
Crossover - Warhammer & Mass Effect - Rated: M - English - Sci-Fi - Chapters: 23 - Words: 215,352 - Reviews: 345 - Favs: 691 - Follows: 910 - Updated: 2/5/2017 - Published: 2/9/2014
Mass Effect: Deception by
LEGION001 reviews
When Cerberus discovers an abandoned frigate with completely foreign technology they immediately towed it away to be researched and reverse engineered. When the facility studying the ship and its occupant goes dark. The Illusive Man sends Commander Shepard to investigate not knowing what evil he was about to unleash. Dark/Evil Fic Rated M for torture and murder.
Crossover - Star Wars & Mass Effect - Rated: M - English - Chapters: 9 - Words: 51,198 - Reviews: 52 - Favs: 127 - Follows: 176 - Updated: 12/25/2016 - Published: 12/10/2015 - Sith I., Shepard (M)
The Sorceress of Halkeginia by
Lunatic-Modo reviews
There is a difference between a mage and a sorcerer... Though both wielded magic albeit slightly dissimilar to each other, both circumstances are different. A mage gets to keep his morals while a sorcerer throws it away. Now how will a certain elf react when she summoned a person who has no qualms about killing?
Crossover - Familiar of Zero & Soul Sacrifice - Rated: M - English - Adventure/Romance - Chapters: 2 - Words: 6,699 - Reviews: 12 - Favs: 33 - Follows: 39 - Updated: 10/16/2016 - Published: 9/23/2016 - Louise, Tiffania
Vigil by
Peptuck reviews
Mankind has survived its crucible, and while scarred and changed by the Ethereals, they advance into the cosmos. The galaxy beyond is a place of wonder and terror, of wealth and strife. Amid the threats and opportunities, both within and without, XCOM remains vigilant. Mass Effect/XCOM/Eclipse Phase/FEAR/Destiny fusion.
Crossover - X-Com & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 18 - Words: 170,804 - Reviews: 427 - Favs: 955 - Follows: 1,048 - Updated: 9/14/2016 - Published: 9/2/2014
The Mission Stays the Same by
Broken Trident reviews
DISCONTINUED. 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: 20 - Words: 263,964 - Reviews: 1894 - Favs: 3,271 - Follows: 3,404 - Updated: 4/25/2016 - Published: 10/4/2011 - Shepard (F)
Imperium Aeternit 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: 25 - Words: 166,991 - Reviews: 516 - Favs: 1,178 - Follows: 1,238 - Updated: 3/11/2016 - Published: 7/24/2013 - Dragonborn/Dovahkiin, Shepard (F) - Complete
Shepard of Death by
Vaunt reviews
Jane Shepard is no stranger to death. After all, she's died several times before. Crossover with Mage the Ascension
Crossover - World of Darkness & Mass Effect - Rated: M - English - Supernatural/Sci-Fi - Chapters: 13 - Words: 32,443 - Reviews: 77 - Favs: 165 - Follows: 206 - Updated: 3/1/2016 - Published: 7/9/2013 - Mage, Shepard (F)
Harry Potter and the Power of the Dark Side by
Faykan reviews
Only the strong may rule, this was the way of the Dark Side, and Darth Millennial was about to prove to his master that he was worthy of the title Dark Lord of the Sith, but first a tremor in the Force draws him to the Unknown Regions of space... I do not own the picture
Crossover - Star Wars & Harry Potter - Rated: T - English - Adventure/Sci-Fi - Chapters: 53 - Words: 329,639 - Reviews: 964 - Favs: 1,917 - Follows: 1,635 - Updated: 2/1/2016 - Published: 9/10/2012 - Harry P., Draco M., Luna L. - Complete
Behind the thin Veil of reality by
Atilas reviews
Humanity ascended to the stars, discovered new races and let its foolish occult past behind, or at least tried. For as always, where humanity goes, the darkness follows and, no matter how much it denies it, humanity's predator still roam the shadows. In this new age of technology, the powers they wield are far more terrifying than anything out there in the cold dark empty space.
Crossover - World of Darkness & Mass Effect - Rated: M - English - Sci-Fi/Supernatural - Chapters: 9 - Words: 74,470 - Reviews: 45 - Favs: 109 - Follows: 143 - Updated: 1/15/2016 - Published: 10/4/2014 - Mage, Shepard (F), Nihlus K.
March of the Inevitable: Blood of the Phoenix by
SpartAl412 reviews
While on the hunt for a sorcerer of Tzeentch, a High Elf warrior is cast into Aethyr where he arrives in a world quite different from his own. His path will cross with that of a simple thief from that other world and together, they will begin an epic journey. (Editing still ongoing)
Crossover - Warhammer & Dragon Age - Rated: T - English - Fantasy/Adventure - Chapters: 17 - Words: 159,814 - Reviews: 78 - Favs: 135 - Follows: 122 - Updated: 1/9/2016 - Published: 2/6/2014 - High Elves, Tabris, Mahariel, Amell - Complete
Mass Effect: Beyond the Hedge by
Jonathon Oak reviews
There are worse things than Reapers in those dark, cold, forgotten places between the stars...
Crossover - World of Darkness & Mass Effect - Rated: T - English - Sci-Fi/Supernatural - Chapters: 9 - Words: 37,125 - Reviews: 28 - Favs: 43 - Follows: 71 - Updated: 1/2/2016 - Published: 2/2/2011 - Changeling, Shepard (F)