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: 28, words: 147k+, favs: 2k+, follows: 2k+, updated: 3h published: 6/19/2020
206 I'm Only Mortal » by Slim A Lou Prime Reach was a planet kept secret from the rest of the galaxy, with their elite protectors The Preservers. They survived through the darkness of the galaxy. Now one of them has been taken from his universe and deposited in a different world full of monsters, demigods, and gods. Can the gods of Olympus contain one of the most deadliest warriors from the 41st millennium?
Warhammer & Percy Jackson and the Olympians, M, English, Adventure & Supernatural, chapters: 24, words: 123k+, favs: 423, follows: 518, updated: 6/30 published: 3/3/2018, Eldar, Space Marines, OC
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: 79, words: 610k+, favs: 819, follows: 904, updated: 6/28 published: 12/29/2019, Sora, Toshinori Y./All Might, Villain Alliance, 1-A Students
23 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: 16, words: 66k+, favs: 28, follows: 38, updated: 6/27 published: 1/3
344 Flames of Destiny » by LaidEffect An unconscious stranger found in the middle of the Earth Kingdom was surprisingly saved by the exiled-Prince-cum-fugitive of the Fire Nation. Unaware to the Prince, this stranger's appearance could bring seismic changes to everyone's belief and destiny, particularly that of a certain legendary figure - the Avatar.
Avatar: Last Airbender & Percy Jackson and the Olympians, T, English, Adventure, chapters: 22, words: 128k+, favs: 1k+, follows: 1k+, updated: 6/24 published: 1/10/2021, Aang, Zuko, Percy J.
8 Star wars the end wars remake » by micelzod After the third great war humanity experienced a fragile peace as the four great powers of earth rebuild what they have lost. A hundred years later the human race now in a golden era of exploration of space but all Golden era's had to end, know they have to navigate a galaxy that is filled with ancient entities that predate Terra itself. but they will win because they have to.
Star Wars & EndWar, M, English, Adventure & Sci-Fi, chapters: 6, words: 37k+, favs: 31, follows: 39, updated: 6/22 published: 10/26/2020, Anakin Skywalker, Obi-Wan K., OC
266 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: 20, words: 118k+, favs: 859, follows: 1k+, updated: 6/20 published: 10/17/2021, [Azula, Percy J.] Mai, Ty Lee
90 Kingdom Hearts: Grimm Link » by REternal Set right after the events of Kingdom Hearts 3 ReMind, this is an alternate timeline where Sora is sent to the world of Remnant (Melody of Memory and Union Cross spoilers taken into account). There is currently no foreseeable way in returning to his friends. With that in mind, Sora will face this new endeavor. Elements from the Fate series are included.
Kingdom Hearts & RWBY, T, English, Adventure & Fantasy, chapters: 12, words: 95k+, favs: 234, follows: 265, updated: 6/16 published: 3/9/2020, Sora, Team RWBY, Team JNPR
3k+ My Hero Academia: Unchained Predator » by reeleffendeel Following the conclusion of DOOM 2016, the Doomslayer is warped into a world of Heroes and Villians. 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: 20, words: 136k+, favs: 3k+, follows: 4k+, updated: 6/14 published: 4/10/2020, [Doomguy, Rumi U./Mirko] Izuku M., Toshinori Y./All Might
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: 45, words: 644k+, favs: 3k+, follows: 4k+, updated: 6/11 published: 11/30/2015, Master Chief/John-117, OC, Shepard
104 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: 21, words: 80k+, favs: 178, follows: 255, updated: 6/9 published: 8/17/2021, Courier, Mr. House, Ulysses, Winter S.
575 GATE: Of Dragons and a Spirit of Fire » by Pkd Few years after the events of Halo Wars, the UNSC Spirit of Fire finds themselves above the orbit of a unknown world without any clue to where they are and what brought them here. Faced with a new obstacle the crew of the Spirit of Fire descends upon the world where they meet new allies and enemies, along with an relic of the past, as they try to find a way back home.
Halo & Gate - Jietai Kare no Chi nite, Kaku Tatakeri, T, English, Adventure & Fantasy, chapters: 31, words: 69k+, favs: 1k+, follows: 1k+, updated: 5/29 published: 1/26/2018, J. Cutter, E. Anders, OC, Third Recon
1k+ A Dovahkiin Spreads His Wings » by VixenRose1996 Five years ago, Jon Snow disappeared from Winterfell to the horror of all those who loved him. Five years ago, Jon Whitewolf arrived in Skyrim where he learns of his destiny to battle Alduin the World-Eater as the Legendary Dragonborn. Those two lives should have never crossed again, but the gods are rarely that kind. REPOSTED DUE TO FORMATTING ISSUES
Elder Scroll series & Game of Thrones, T, English, Adventure & Family, chapters: 26, words: 313k+, favs: 3k+, follows: 4k+, updated: 5/25 published: 7/16/2019, [Serana, Jon S.] Eddard S., Arya S.
28 Capes and Kittens » by IsaacJen While attempting a vain scheme to resurrect his lord and imperium to life from the red sands of mars, Captain General of the Adeptus Custodes; Kitten, has died. However, in the bursting supernova of light and shower of shrapnel that was his end his soul did not pass unto the immaterium as so many countless do every day across the galaxy, no, it went... elsewhere.
Warhammer & RWBY, T, English, Adventure & Humor, chapters: 2, words: 4k+, favs: 117, follows: 171, updated: 5/21 published: 4/27, OC, Ozpin, Team RWBY, Salem
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: 39, words: 688k+, favs: 1k+, follows: 1k+, updated: 5/4 published: 6/8/2018, SPARTAN-B312/Noble Six, Rookie
19 The Star Union » by ImageViewer In the Year 2015, Earth was attacked by an unknown Alien Empire. With X-com they fought the alien menace again and again, overcoming the Odds and Forging a new Empire comprised of the former enemies enslaved to the Elder's will. Now forged into an empire the likes of which the galaxy hasn't seen, they take their first steps into the great Unknown. Major Crossovers and OCs.
Mass Effect & X-Com, M, English, Sci-Fi & Adventure, chapters: 4, words: 34k+, favs: 221, follows: 302, updated: 5/2 published: 7/17/2021, Liara T'Soni, Tali'Zorah, Shepard, OC
986 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: 33, words: 261k+, favs: 1k+, follows: 1k+, updated: 5/2 published: 4/17/2014, Inquisition, Megan M./Miss Martian, Richard G./Robin
140 Distant Stars » by BoneDaddyAinz Adrian has spent half his life fighting the Covenant, its all he's ever known and ever wanted. As an ODST he's come to terms that the universe is cruel and unexpected, yet nothing could prepare him for the events that would throw him into a world with its own problems. Now he's torn between aiding a group of ragtag heroes, or going home to finish the fight for a doomed humanity.
Halo & Overwatch, M, English, Sci-Fi & Drama, chapters: 56, words: 258k+, favs: 312, follows: 377, updated: 4/29 published: 5/4/2020, OC, Angela Z./Mercy, Hana Song/D. Va
565 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: 11, words: 80k+, favs: 1k+, follows: 1k+, updated: 4/23 published: 7/28/2018, Anakin Skywalker, Obi-Wan K., Master Chief/John-117, Cortana
2k+ The Mission Stays the Same » by Broken Trident 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. (Story adopted by Regina Dea. New author starts from Chapter 21)
Warhammer & Mass Effect, M, English, Sci-Fi & Adventure, chapters: 33, words: 367k+, favs: 4k+, follows: 5k+, updated: 4/6 published: 10/4/2011, Eldar, Imperial Guard, Shepard