123 XCOM Justice » by Blackace12 After a long war with Advent and an invasion even the Elder's fear, with the final order of the Commander he sacrifices himself not only to save the world but the universe as well only to find himself in another earth were X-com doesn't exist and the world is filled with Superhero aliens and Villans
X-Com & Young Justice, M, English, Adventure & Sci-Fi, chapters: 21, words: 176k+, favs: 292, follows: 346, updated: 12/7 published: 12/31/2019
229 Snowflake on the sand » by AllHailTheEmpire Courier Six is ready to leave Good Springs, track Benny down and make him regret shooting him but before his adventure can begin a hole in space and time drops a pale soldier on a world that is not hers, now both are taking the long way to New Vegas. One for revenge the other with hopes to get back home.
Fallout & RWBY, T, English, Adventure & Drama, chapters: 44, words: 208k+, favs: 364, follows: 427, updated: 12/2 published: 8/17/2021, Courier, Mr. House, Ulysses, Winter S.
1k+ The New Teacher » by smilingsamurai With the Qliphoth gone and Vergil back, things were starting to look good for Dante, until he found himself transported to an unfamiliar world. Still, what is the greatest Devil Hunter of all time, if not adaptable? Making the most of the situation, he agrees to an offer made by someone named Ozpin. Little did Beacon know, fighting the Grimm would never be the same again...
Devil May Cry & RWBY, T, English, Adventure, chapters: 38, words: 187k+, favs: 3k+, follows: 3k+, updated: 11/29 published: 6/19/2020
551 For Need of a God » by Basilisk.isle Kratos appears in the True North and decides to rest. He should have known that was not going to be plausible, given his propensity for foe finding himself in forboding situations. Now he must make this world ready for the threat that he could sense, coming from the Frozen lands in which he found himself. A familiar struggle. what could happen along the way?
God of War & Game of Thrones, M, English, Fantasy & Adventure, chapters: 13, words: 79k+, favs: 2k+, follows: 2k+, updated: 11/28 published: 10/4/2022, Kratos, Jon S., Robb S., Night King
62 One Magi: YEFBTL » by Sorceric7 Trials and Tribulation. Every pirate has experienced these things when they sail the Grand Line. Maxwell sailing with Straw-Hat Pirates have had their own fair share of troubles along their journey. Now they're close to half way mark, but that doesn't offer a reprieve. No. This is the beginning of a long, long night.
One Piece & Dragon Age, T, English, Adventure & Fantasy, chapters: 47, words: 202k+, favs: 61, follows: 74, updated: 11/24 published: 1/3/2022
978 Sins Of A Galactic Empire Reborn » by zzzxxc1 When the Milky Way is revealed to the universe at large by a derelict CIS warship, the UEG are forced to become members of the transgalactic community, but its existence is soon threatened by the decline of the Republic, and the rise of an Empire. Adopted from SpaceCowboy2013.
Star Wars & Halo, T, English, Sci-Fi, chapters: 19, words: 142k+, favs: 1k+, follows: 2k+, updated: 11/9 published: 7/28/2018, Anakin Skywalker, Obi-Wan K., Master Chief/John-117, Cortana
1k+ All the Stars » by BlueWay When the Long Night of Solace is evaporated over Reach via the weaponized usage of a Slipspace Drive, it ferries with it in its swallowed sections the Covenant Empire and, more horrifyingly, the desperate measures that the UNSC used to fight them. When they are found in a universe on the precipice of their own history, the meaning of the term "Mass Effect" will change forever.
Halo & Mass Effect, T, English, Sci-Fi & Adventure, chapters: 46, words: 802k+, favs: 1k+, follows: 2k+, updated: 11/9 published: 6/8/2018, SPARTAN-B312/Noble Six, Rookie, Shepard
1k+ May Your Heart Go Beyond » by The OC Maniac Taking place after the events of Kingdom Hearts 3, Sora had just used the power of Waking one last time to Save Kairi, however this drains him of almost all of his power and leaves him just like he would be at the start of every new adventure. Now stranded in an unfamiliar world, he must now become a hero in order to protect this world from the darkness that comes for it.
Kingdom Hearts & My Hero Academia/僕のヒーローアカデミア, T, English, Humor & Adventure, chapters: 92, words: 733k+, favs: 1k+, follows: 1k+, updated: 11/8 published: 12/29/2019, Sora, Villain Alliance, 1-A Students, 1-B Students
1k+ The Last of his Kind » by Greed720 He'd been in a brutal, life and death battle. A foe that was so far beyond him that it was a miracle he had survived, let alone wounded it. However, despite his many feats, and the skills and abilities, he had honed and developed; he was unable to triumph over his destined enemy! Or at least not yet, his surroundings might have changed, but his adventure was not finished, not yet!
Elder Scroll series & Dungeon ni Deai o Motomeru no wa Machigatte Iru Darou ka, M, English, chapters: 16, words: 117k+, favs: 4k+, follows: 5k+, updated: 11/2 published: 9/2/2019, Dragonborn/Dovahkiin
5k+ My Hero Academia: Unchained Predator » by reeleffendeel Following the conclusion of DOOM 2016, the Doomslayer is warped into a world of Heroes and Villains. But when the Demons invade the alternate world, the Slayer's crusade against Hell will lead him to different worlds and revelations alongside newfound allies...and their guardian Angels. (Doom x MHA x Darksiders)
Doom & My Hero Academia/僕のヒーローアカデミア, M, English, Horror & Adventure, chapters: 29, words: 200k+, favs: 4k+, follows: 5k+, updated: 10/29 published: 4/10/2020, [Doomguy, Rumi U./Mirko] Izuku M., Toshinori Y./All Might
825 Star Wars: Odyssey of the Infinity » by IX404 During a routine safety test, the Slipstream Space Drive of the Infinity malfunctions, catapulting them into unknown space. Little do Lasky and the members of the Infinity know is that they will soon change the fate of a far away galaxy. (Undergoing Chapter-by-Chapter Rewrites. Chapters 1-5 rewritten. Chapter 6 rewrites ongoing.)
Star Wars & Halo, T, English, Sci-Fi & Drama, chapters: 32, words: 493k+, favs: 964, follows: 1k+, updated: 10/28 published: 10/11/2022, Luke S., Han S., Master Chief/John-117, T. Lasky
574 Slayers » by BakaOniisan Doom Slayer got tricked by the demons again and is sent to another world where he meets Goblin Slayer and his Party. He decide to search for the portal to Hell that sent him there and destroy it once he's back in Hell. The only clue he got is the weakest monsters that bow down to anyone stronger, like demons from Hell... His only clue are Goblins. Two slayers together for a quest!
Doom & Goblin Slayer/ゴブリンスレイヤー, M, English, Adventure & Fantasy, chapters: 19, words: 74k+, favs: 1k+, follows: 1k+, updated: 10/26 published: 10/27/2018, Doomguy
447 The Legend of Percy: Book 2 - Through Grief » by LookingUpToTheStars Sequel to The Legend of Percy: Book 1 - Finding Purpose. What will Azula and the Fire Nation do to deal with this waterbending, earthshaking, storm-creating mystery? With the Fire Lord's plans for Sozin's Comet looming, how will Percy change people's destiny and history? Is there any redemption to be found for the Fire Nation Princess?
Avatar: Last Airbender & Percy Jackson and the Olympians, T, English, Tragedy & Hurt/Comfort, chapters: 28, words: 161k+, favs: 1k+, follows: 1k+, updated: 10/15 published: 10/17/2021, [Azula, Percy J.] Mai, Ty Lee
904 Lord of the Castle » by Readmeplz After Dracula's defeat Castlevaina doesn't disappear like it should, instead Alucard inherits it. Fearing that the evil within the castle will have a negative effect on mankind Alucard seals himself and the Castle to the bottom of the ocean so his family's evil will never again harm the world of man. 500 years later Alucard awakens to a new world, one of man and Superheros
Castlevania & Justice League, K+, English, Friendship, chapters: 83, words: 506k+, favs: 1k+, follows: 1k+, updated: 10/9 published: 2/24/2018, Alucard, Wally W./Flash
238 The Ghost Who Got a Job » by RusEmp Opportunities are something that presents itself at the strangest of times. A single line of a barkeeper was enough for Danny Fenton, to seek employment at Hogwarts, School of Witchcraft and Wizardry. Little did he know that for the next year he would have to deal with obnoxious inquisitors and murderous dark wizards. Should have just become a janitor.
Harry Potter & Danny Phantom, T, English, Humor & Adventure, chapters: 17, words: 129k+, favs: 849, follows: 1k+, updated: 9/25 published: 2/5/2022, Danny F., Harry P., Albus D.
631 It Started At Shanxi » by SpaceTurtleOX Fifty 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.
Halo & Mass Effect, T, English, Sci-Fi & Adventure, chapters: 17, words: 90k+, favs: 1k+, follows: 2k+, updated: 9/16 published: 7/26/2019, Master Chief/John-117, Cortana, Zaeed M., OC
2k+ Enduring the Flames of War » by Masterdude21 A joint Asari-Turian operation salvaged a "package" from a derelict wreckage in the Terminus Systems, whereupon they release a force of war beyond their reckoning. Hoping to avoid another war, Commander Shepard recruits the "package" into her team. A simple act of kindness, unwittingly paving the way for a clash unlike the galaxy has ever seen. Fate directs the flames of war.
Halo & Mass Effect, M, English, Sci-Fi & Horror, chapters: 50, words: 748k+, favs: 3k+, follows: 4k+, updated: 9/14 published: 11/30/2015, Master Chief/John-117, OC, Shepard
1k+ The Inquisitor » by deathwing17 After preventing a Chaos warband from summoning a vast army onto an Imperial world, an Inquisitor in training is hurtled through the warp and finds himself in a strange new world, one in which there are people with incredible abilities. Soon he will find himself fighting a familiar enemy and in order to save mankind he will need to cast aside old prejudices. Now has a tvtropes page
Warhammer & Young Justice, M, English, Sci-Fi & Horror, chapters: 37, words: 295k+, favs: 1k+, follows: 2k+, updated: 9/13 published: 4/17/2014, Inquisition, Megan M./Miss Martian, Richard G./Robin
328 The Greek Saiyan God » by Mr. Narrative In the final minutes of the Tournament of Power, the Saiyan God Son Goku breaks through his limits again and again in order to sacrifice himself to save everyone. However, this causes a crack in the time rift and it opens up a vortex that sends himself to a whole new world full of Gods, Demigods, and Monsters! How will Goku survive? PJOxoverAU (Smarter, Mature, and OP Goku x Harem)
Dragon Ball Z & Percy Jackson and the Olympians, M, English, Adventure & Romance, chapters: 3, words: 28k+, favs: 1k+, follows: 1k+, updated: 9/12 published: 2/19/2019, [Goku, Artemis, Athena, Aphrodite]
2k+ Remnant Inferis: DOOM » by GamerJay Remnant never knew what true horror was until demons more terrifying than the Grimm arrived, seeking to conquer a world they think belongs to them. Nor the limits a warrior stripped of his humanity would push himself, and others, to exterminate the Slaves of Doom and their mortal allies. His path of perpetual torment continues and this time he will no longer be walking it alone...
Doom & RWBY, M, English, Sci-Fi & Adventure, chapters: 42, words: 403k+, favs: 3k+, follows: 4k+, updated: 9/10 published: 2/9/2017, Doomguy, Ozpin, Team RWBY, Team JNPR