An Chaotic Isakai Crossover (Isekai Quartet X OC AKA DarkBill) - Darkcooler78 - Wattpad

An Chaotic Isakai Crossover (Isekai Quartet X OC AKA DarkBill)

Reads 1,133
Votes 29
Parts 4
Time 59m

Reads 1,133
Votes 29
Parts 4
Time 59m

Mature

crossover forfun isekai isekaiquartet konosuba ocxvarious overlord rezero schoollife shieldhero tanyatheevil

a story about a Isekai Crossover that has a party of adventures, a group of none-human characters, a group of military soldiers and a one track suit dude with a very posh looking female group.

but what if there is one being that cause chaos for fun. that being DarkBill the Demon King of Chaos!!!

how will this go? and what if the first and second groups that was mentioned react to see a familiar face again?

let's find out and wait shall we?All Rights Reserved

crossover forfun isekai isekaiquartet konosuba ocxvarious overlord rezero schoollife shieldhero tanyatheevil

Table of contents

4 parts

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BLACKCRUSADER by BLACKCRUS4DR

So what would happen if all universes were combined as one by a machine that brings fantasy into reality? Well mostly...this is one of those times when a crossover sets a stage for the main protagonist. Cause in this story a Dead Man and a Group of Misfits plan to save the world from a Demon with a Mask,a Mercenary with a Secret and an Anticrusader unit who Is going to destroy the world with a nuclear warhead called"The Nuke of Armagoddamnmotherfuckingeddon"and Ronnie Stronghold was supposed to stop mr.red but with him dead,it's all up to Blackcrusader and his Death Squad to stop mr.red and save the world by any means nessessary.

Conqueress of Demons - Demon Slayer x fem! Xiao Reader by littledolldiary

All her life, Y/N served the Geo Archon. After being rescued by him, she offers him her complete devotion as an adeptus. Fighting in the Archon war, Y/N has lost many friends, yet, she gained Allies after. But.. what will happen if one day, she tries to save one of them, resulting in her death and her waking up in a different "Universe" full of man eating demons? Follow our protagonist on her journey through the Taishō Period of Japan. Will she meet new Friends? Make new Enemies? Or perhaps, find someone to love? TW: This story might contain sensitive topics such as loss of loved ones, death, su1c1de, gore etc. Disclaimer: The art in this book does not belong to me. Neither does demon slayer or genshin impact.

Metal to Flesh; Home to Unknown (a kny/tfp crossover) by nebula_Prime24

During a battle for a relic, Optimus and Megatron are sent to another dimension, the demon slayer dimension. Now one a human and the other a demon, they must navigate this world, in a time before their own with even fewer technological advancements than the Earth they came from, with little chance of going home. As they go forward, they will make friends, enemies, and allies and try their very best to go back to their world. OR Tanjiro thought they'd finally catch a break after the fight with that Upper Demon, but nooo, a mysterious 'not human' not-couple-couple, both of whom obviously had feelings for each other, insisted that they were from another dimension or something, and wanted to get back as soon as possible. *sigh* if it's not one thing, it's something else ~~~~~~~~ This is a crossover between Transformers Prime and Demon Slayer: Kimestu no Yaiba. My friend and I are writing this together. She also has the story published on her account, @ImaginationsPortal so don't call her out. This story is also on Ao3, under the same usernames. This is mostly for fun, but it does have a plot. Please note that updates may not be on a schedule, as we can only really work on it while together. TW: Potential mentions of SH and suicidal thoughts, panic attacks, canon-typical violence, period-typical homophobia neither of us own Demon Slayer or Transformers Prime. All rights go to the original owners.

Fallen Dark lord by owenmonster18

A group of friends broken because of the consequences of one's actions and the implications. The consequences affected the lives of the group. What would happen with a chance meeting resulting in the one responsible of the broken group current selves has to face and try to make up for they had done, it wouldn't be easy as two of they friends are angry at them, one of the other friends is busy and the last friend is the dark lord. (I don't own any of the fandoms used in this fanfic. Fandoms belong to the respective creators and holders.)

I'll be the Apex Predator, the Top of the Food Chain! by Tembakwu

Oc x Isekai/Fantasy crossover

Isekai Quartet x Male oc by JDENT8

In this crossover, We see all four Isekai anime's Overlord, Re-Zero, Konosuba, and Saga of Tanya the Evil all come together to join forces, plot twist they are in School, Strange right? but how about the Anime has One more Character but This one is from USA, and has been dragged into another world, what Adventures will this young man be in? Read and find out.

Multiverse react to Y/N by Drake00943

As the title says, different fandoms will react to Y/N. All of the fandoms mentioned in the story exist together in one world. Basically a crossover. The backstory will be revealed as the book goes. I also want to apologize to all of you for not updating my books. In this 2 weeks I had a lot of assignments and essays to write and I'm finally free. At least till December, then there will be hell. Welp onto the book and ty for your attention.

𝑺𝑾𝑬𝑬𝑻 𝑺𝑨𝑳𝑽𝑨𝑻𝑰𝑶𝑵 (KNY! x ModernF!Reader) by Icantdrinkproperly

-The story in which Y/N is transported into another dimension by a demon she was trying to slay and is now stuck in the demon slayer universe. -The universe where the reader is from is basically demon slayer, but 2024. Just different characters and all. -If the grammar is bad somewhere, please let me know in the comments so I can fix the mistake! Criticism is also welcome! -I don't own any of the KNY characters! -Warnings: There will be gore and some NSFW jokes! If you're uncomfortable, don't read! This story is +18! English is not my first language, so I apologise for any spelling mistakes! -Enjoy! :D

¬ωɦαт α૨ε тɦεรε ƒεεℓเɳɠร?..[The Disastrous life of saiki k. x douma!reader x kny by ZAYchik_theHacker

Y/N was one of the last demons to survive after the great battle, She managed to find the blue spider Lillie just as her master, Muzan, requested her to do before he died. Y/N took over her father's cult after he ended up dying to those two pesky demon slayers. Y/N never had a problem with the style of how she lives, but when she gets a invited to a high school, she was hesitant since she found school useless and bothersome. but alas she accepted but the longer she stayed the longer she found something unsual. whats happening to her? what are these feelings?... [P.s i dont own the disastrous life of saiki K, the characters mentioned in this story. They belong to their original creator, also the pictures in here aren't mune unless stated otherwise] *this book was inspired by @_behindyou , i would recommend, if you haven't already, go check out their books. They are amazing*

Would You Kindly Slay the Demon Lord? (Konosuba X Male Reader) by Dhruv_M1702

In the midst of an unknown world governed by the powers of magic and skills, A demon Lord resides in his terrifying castle, his loya- Yeah, no. We aren't doing all that. Ahem. Y/N L/N is your usual 20 year old guy, with no tragic backstory, surprisingly, and an EXTREME obsession over videogames, especially Bioshock, manga, and anime. Sound like someone? Anyways, what happens when he's reincarnated in another world and joins the party of a useless goddess, a Bakaretsu loli, a masochist, and a pervert? Sounds like a recipe for disaster, doesn't it? What will Y/N find in this new world? Friends? A place to call home? Love? Join him on this journey to find out. (I do not own any rights to Konosuba or the plasmid powers. All rights related to the storyline go to Konosuba: A blessing on this Lecherous world anime/light novel. All rights to the plasmids go to the videogame Bioshock, created by Ken Levine) P.S. I really tried to think of a way to combine Bioshock and Konosuba for the cover, but my pea sized brain just couldn't.

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Slide 1 of 10

BLACKCRUSADER cover

Conqueress of Demons - Demon Slayer x fem! Xiao Reader cover

Metal to Flesh; Home to Unknown (a kny/tfp crossover) cover

Fallen Dark lord cover

I'll be the Apex Predator, the Top of the Food Chain! cover

Isekai Quartet x Male oc cover

Multiverse react to Y/N cover

𝑺𝑾𝑬𝑬𝑻 𝑺𝑨𝑳𝑽𝑨𝑻𝑰𝑶𝑵 (KNY! x ModernF!Reader) cover

¬ωɦαт α૨ε тɦεรε ƒεεℓเɳɠร?..[The Disastrous life of saiki k. x douma!reader x kny cover

Would You Kindly Slay the Demon Lord? (Konosuba X Male Reader) cover

BLACKCRUSADER

So what would happen if all universes were combined as one by a machine that brings fantasy into reality? Well mostly...this is one of those times when a crossover sets a stage for the main protagonist. Cause in this story a Dead Man and a Group of Misfits plan to save the world from a Demon with a Mask,a Mercenary with a Secret and an Anticrusader unit who Is going to destroy the world with a nuclear warhead called"The Nuke of Armagoddamnmotherfuckingeddon"and Ronnie Stronghold was supposed to stop mr.red but with him dead,it's all up to Blackcrusader and his Death Squad to stop mr.red and save the world by any means nessessary.