Overlord/オーバーロード Crossovers
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Harbingers of Change by Duke Cheburek reviews
The world Star King Dragon Veldanava created was supposed to get a small unassuming slime with great potential. However, fate seems to be whimsical sometimes and gave the unprepared world a vast dungeon full of beings, both wondrous and terrible. Nazarick, knowingly or not, is bound to reshape the very foundations of the world.
Crossover - Overlord/オーバーロード & Tensei Shitara Slime Datta Ken/転生したらスライムだった件 - Rated: M - English - Fantasy - Chapters: 208 - Words: 664,257 - Reviews: 1205 - Favs: 1,495 - Follows: 1,664 - Updated: 11h - Published: 2/8/2022 - Ainz, Bukubukuchagama, Peroroncino, Veldora T.
Fate: Hero and Sword by Parcasious reviews
Left in a new world with hardly an explanation for his arrival, the only thing left for him to do was to keep walking forward one step at a time for those watching behind him.
Crossover - Fate/stay night & Overlord/オーバーロード - Rated: M - English - Chapters: 55 - Words: 251,676 - Reviews: 5260 - Favs: 7,538 - Follows: 8,612 - Updated: 9/26 - Published: 6/30/2018
The White Wolf of Winterfell by PaulyThide reviews
The leader of the famous guild, Ainz Ooal Gown is now reborn in another world. Now as the daughter of Lord Rickard Stark. She must travel the Seven Kingdoms in times of uncertainty, and her presence would defiantly bring the attention of many people in Westeros, especially the King who is slowly losing his mind. But, would she play the Game of Thrones, or just enjoy the chaos?
Crossover - Game of Thrones & Overlord/オーバーロード - Rated: M - English - Fantasy - Chapters: 20 - Words: 107,872 - Reviews: 368 - Favs: 1,347 - Follows: 1,547 - Updated: 9/26 - Published: 1/31/2022 - Lyanna S., Eddard S., Pandora's Actor, OC
Who Let This Spider Cook! by Kakukami reviews
Man gets SI'd into the body of a baby in the year 2100. Turns out he's on Earth, but not just any Earth, Overlord's Earth, a dying planet. With Yggdrasil's release impending, Kakuei knows what he needs to do. Become a player, grow strong, and wait for the game to end. Except things don't always go as planned.
Crossover - Overlord/オーバーロード & Tensei Shitara Slime Datta Ken/転生したらスライムだった件 - Rated: M - English - Adventure/Romance - Chapters: 34 - Words: 73,899 - Reviews: 306 - Favs: 1,180 - Follows: 1,372 - Updated: 9/26 - Published: 1/9 - OC
Grand Foreigner by Russian Reversal reviews
Ainz in the FGO! Will it be a challenge for him? (Spoiler: No). No roflstomp, no hate, no bashing. Just the pure Ainz magnificence in play. It's actually a FGO-fic, but since there are plenty of FGO-fics in the Fate-general category - it was made like this.
Crossover - Overlord/オーバーロード & Fate/stay night - Rated: M - English - Adventure/Romance - Chapters: 227 - Words: 1,318,728 - Reviews: 6180 - Favs: 4,050 - Follows: 4,384 - Updated: 9/26 - Published: 2/24/2019 - Ainz
The Lost One by Rgnjjv reviews
This is my second crossover. Ainz accidentally landed in the world of Attack on Titan. A world where humanity is forced to live in three giant walled cities. which protects them from giant man-eating humanoids referred to as Titans. But history is about to change. Let's see what happens I will try to maintain a balance
Crossover - Attack on Titan/進撃の巨人 & Overlord/オーバーロード - Rated: K - English - Mystery/Suspense - Chapters: 3 - Words: 5,465 - Reviews: 18 - Favs: 25 - Follows: 40 - Updated: 9/25 - Published: 9/24
Supreme Beings of Azeroth by Duke Cheburek reviews
Yggdrasil ended and with that, the old life Suzuki Satoru led. Yet, life had plans for him, and with the help of a mysterious benefactor, he and his wife found themselves in a new world as their game avatars of an undead overlord and a slime. What fate awaits Ainz and Bukubukuchagama in the world fo Azeroth, only time will tell.
Crossover - Warcraft & Overlord/オーバーロード - Rated: M - English - Chapters: 14 - Words: 52,961 - Reviews: 81 - Favs: 198 - Follows: 244 - Updated: 9/24 - Published: 8/3 - Nefarian, Onyxia, Ainz, Bukubukuchagama
El imperio hechicero vs warhammer40k by overlordwarhammer2019 reviews
El dios tzeetch viendo en el velo de realidades vio la magia de ydrassil , el como el dios de la magia y el cambio quizo su magia asi que trajo al nuevo mundo del mundo de overlord pero perdio un poco la conexion con el al traerlo por subestimar la magia de ydrassil
Crossover - Warhammer & Overlord/オーバーロード - Rated: K+ - Spanish - Sci-Fi - Chapters: 21 - Words: 82,161 - Reviews: 10 - Favs: 9 - Follows: 13 - Updated: 9/24 - Published: 12/13/2023
Born in Yggdrasil's Fire by AWZ reviews
Stripped of her magical powers and thrust into a dystopian future, Megumin finds solace and purpose in mastering a newly released immersive DMMORPG, Yggdrasil.
Crossover - Overlord/オーバーロード & KonoSuba: God's Blessing on This Wonderful World - Rated: T - English - Fantasy/Adventure - Chapters: 10 - Words: 33,053 - Reviews: 54 - Favs: 111 - Follows: 139 - Updated: 9/22 - Published: 6/25 - Ainz, Megumin
Eternal Reckoning by BladerInc reviews
In the New World, Sol, a deathless Infinity Blade player, is mysteriously transported into the realm of Overlord. There, he befriends Caulot, a native, and together they embark on a journey through a land rife with politics, noble houses, and dark cults. Meanwhile, Veela, a gifted native, dreams of meeting her queen, Calca. When her path crosses with Sol's, their initial animosity
Crossover - Infinity Blade & Overlord/オーバーロード - Rated: T - English - Adventure/Friendship - Chapters: 16 - Words: 62,998 - Reviews: 8 - Favs: 12 - Follows: 8 - Updated: 9/22 - Published: 3/19 - Galath/Worker of Secrets, TEL, OC, Calca B.
Noob Isekai by lupus23 reviews
A general Isekai story featuring Shirou Emiya, don't expect much in this story.
Crossover - Fate/stay night & Overlord/オーバーロード - Rated: M - English - Adventure - Chapters: 5 - Words: 23,448 - Reviews: 25 - Favs: 58 - Follows: 74 - Updated: 9/22 - Published: 7/9/2023
Remnant's Rusted God by 0bscurez reviews
Remnant was violent. The Ever After was downright cruel. And he was jaded and broken. However, the brother Gods were not finished toying with him, making an outright mockery of everything he valued and fought for. Now, how will Humanity's most pious champion fare being the remaining Supreme Being for a den of monsters that seek to destroy the very things he promised to protect…
Crossover - RWBY & Overlord/オーバーロード - Rated: M - English - Drama/Adventure - Chapters: 1 - Words: 6,624 - Reviews: 4 - Favs: 43 - Follows: 56 - Published: 9/21 - Jaune A., Demiurge, Pandora's Actor, Sebas Tian
Crimson Monarch: Endless Journey by B0OZX1 reviews
Gaining the memories of another life and reborn to the earth of the Overlord Verse. Issei Khan ensure that his arrival to the new world to be breeze but fate has another plan in store for him. Finding himself in Central Axis World with many elements that shouldn't exist. Age of God Dungeons? Soul Rank? Watch as Madness dragon and Crimson Monarch begin his conquest.
Crossover - Overlord/オーバーロード & Tensei Shitara Slime Datta Ken/転生したらスライムだった件 - Rated: M - English - Adventure/Supernatural - Chapters: 110 - Words: 207,404 - Reviews: 1 - Favs: 12 - Follows: 13 - Updated: 9/18 - Published: 9/16 - Albedo, Cocytus, Rimuru T., OC
Nier: Final Man's Epoch by Big-Zer0 reviews
When the clock struck twelve, the Last Supreme Being found himself in a post apocalyptic Earth where humans live on the moon while their androids soldiers and the machines created by an alien civilization fight for the remnants of the world. "... Honestly, all of it is confusing me to no end. Oh well, on the bright side, at least CZ can explain all this weird high tech stuff."
Crossover - Overlord/オーバーロード & Nier - Rated: M - English - Adventure/Sci-Fi - Chapters: 1 - Words: 3,799 - Reviews: 9 - Favs: 42 - Follows: 73 - Published: 9/18 - Ainz, CZ, 2B, 9S
Boku no Overlord by PaulyThide reviews
Nazarick is transported to the world of heroes and villains. A world where superheroes are real, and villains as well. In all this, Suzuki Satoru, or as she is called. The supreme leader of the great guild of Ainz Ooal Gown, would have to do her very best to blend in this strange, but familiar world. Would she be a hero? Or a Villain? Or both?
Crossover - My Hero Academia/僕のヒーローアカデミア & Overlord/オーバーロード - Rated: M - English - Adventure - Chapters: 46 - Words: 210,641 - Reviews: 982 - Favs: 1,852 - Follows: 2,092 - Updated: 9/18 - Published: 7/20/2020 - Izuku M., All For One, Albedo, OC
Baldur's Quartet by Shibbu reviews
Four friends in an unknown world, found themselves in a problematic situation. Or, was it other way around?
Crossover - Overlord/オーバーロード & Baldur's Gate - Rated: M - English - Adventure/Fantasy - Chapters: 2 - Words: 3,531 - Reviews: 1 - Favs: 19 - Follows: 24 - Updated: 9/18 - Published: 9/9
Rebuilding a Ruined World by i4md347h reviews
Waking up in a world not his own, Momonga found himself in a setting similar yet so different than the world he knew. A supernatural mineral fueling everything in this world, cities moving on wheels, and social prejudices so tense it would explode at the slightest spark. Momonga would walk this world and change its fate, to avoid it becoming the world he loathed.
Crossover - Overlord/オーバーロード & Arknights - Rated: M - English - Adventure/Fantasy - Chapters: 2 - Words: 22,007 - Reviews: 38 - Favs: 228 - Follows: 301 - Updated: 9/17 - Published: 8/8
Overlord of Biblical proportions by Russian Reversal reviews
Momonga and Nazarick were transported in the DxD instead of the New World - and hilarity, lewdness - and also gore, psychological tortures and moments of unparalleled geniusness that ensued. That's just it.
Crossover - High School DxD/ハイスクールD×D & Overlord/オーバーロード - Rated: M - English - Humor - Chapters: 40 - Words: 252,407 - Reviews: 397 - Favs: 1,035 - Follows: 1,271 - Updated: 9/16 - Published: 3/17/2023
New life, also fck canons I'll mix everything inside the story I want by Droidkiller11 reviews
this is a summary of fuck the canon storyline and go with something new because in the previous story I did and it failed spectacularly. also I don't Own everything. This is a seinen, a little bit of comedy and small parts of shounen. expect something is wrong I didn't really read the novels on most of it. but various anime I watched I'll use as a substitute and fanfiction too!
Crossover - Overlord/オーバーロード & X-overs - Rated: M - English - Crime/Adventure - Chapters: 2 - Words: 3,143 - Reviews: 2 - Favs: 3 - Follows: 2 - Published: 9/15 - Satoru S.
The Sorcerer Hero: Deku by Talespinner69 reviews
Ainz Ooal Gown, the Sorcerer King, after taking over the New World his guild was transported to, is transported to a second New World after a rather unpleasant encounter. After taking over the life of a boy who had a tragic end, Ainz with access to two New Worlds looks into seeing if he can conquer other worlds. (Rating pending)
Crossover - My Hero Academia/僕のヒーローアカデミア & Overlord/オーバーロード - Rated: M - English - Fantasy/Horror - Chapters: 46 - Words: 239,568 - Reviews: 250 - Favs: 437 - Follows: 493 - Updated: 9/15 - Published: 4/22 - Izuku M., Katsuki B., Ainz, Albedo - Complete
Convergence of Magic: The Overlord X Harry Potter by Kart Fiction reviews
When the virtual reality game Yggdrasil shuts down, Ainz along with Nazarick find themselves thrust into a new reality-the enchanting and perilous world of Harry Potter. From the hallowed halls of Hogwarts to the darkest corners of the Forbidden Forest, follow Harry and his newfound Guardians as they navigate the treacherous waters of ambition, loyalty, and the very nature of magic
Crossover - Harry Potter & Overlord/オーバーロード - Rated: M - English - Fantasy/Friendship - Chapters: 15 - Words: 41,050 - Reviews: 25 - Favs: 105 - Follows: 132 - Updated: 9/15 - Published: 7/11 - Harry P., Ainz, Aura, Mare
Miriel by celian Cogitore reviews
In a Medieval Fantasy world, what is the classic response for a Theocracy when threatened by a Demon King? Ask the gods to send them a Hero? This is what happens to Watanabe Haruko, 16-year-old Japanese reincarnated as her MMORPG character, the half-elf Miriel. Except she has to fight Ainz Ooal Gown... for the sake of the xenophobe's Slane Theocracy.
Crossover - Fate/stay night & Overlord/オーバーロード - Rated: T - English - Fantasy/Supernatural - Chapters: 31 - Words: 181,714 - Reviews: 154 - Favs: 197 - Follows: 217 - Updated: 9/14 - Published: 5/24/2023 - [OC, Jircniv] Gilgamesh, Ainz
Angra 'Ahriman' Mainyu: The Embodiment of Darkness and Evil by The Eschaton reviews
He is stated to be evil incarnate. A being who had instilled the word 'evil' upon the very form of reality possible and a literal god of demonic origin who's power and influence is comparable to that of the Biblical God Himself. Although, in reality, Ahriman is just a self-insert virtual reality video gamer who only cares about is if he can have the fun from such an experience.
Crossover - Overlord/オーバーロード & High School DxD/ハイスクールD×D - Rated: M - English - Fantasy/Supernatural - Chapters: 4 - Words: 17,770 - Reviews: 7 - Favs: 88 - Follows: 111 - Updated: 9/13 - Published: 5/5 - OC
Beautiful Thunder by Shibbu reviews
Narberal Gamma, the Battle Maids of Pleideas, found herself in the Baldur while confronting... an alien invasion. Just where she had arrived?
Crossover - Overlord/オーバーロード & Baldur's Gate - Rated: M - English - Adventure/Fantasy - Chapters: 1 - Words: 1,714 - Reviews: 2 - Favs: 15 - Follows: 20 - Published: 9/11 - Narberal G., Shadowheart, Gale
Harriet Potter: The Demon Empress by PaulyThide reviews
Harriet Potter, The-Girl-Who-Lived has a secret, a big one. She is not what everyone thinks she is. Hiding her true self, she will learn to live once again and show everyone, why you don't mess with a Supreme Being. But first, she must eat and sleep. (Fem Harry Potter) (Reincarnated Fem/Suzuki Satoru)
Crossover - Harry Potter & Overlord/オーバーロード - Rated: M - English - Fantasy - Chapters: 39 - Words: 234,797 - Reviews: 787 - Favs: 2,595 - Follows: 2,988 - Updated: 9/10 - Published: 3/5/2021 - James P., Lily Evans P., Albedo, OC
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