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Hostis Publicus by
Daemon-Sultan
In 1871, a man known only as Rattlesnake began a reign of terror across the American West. Over a decade later he would be known by many more names, the King of Thieves, the Prince of Murderers, the Red Reaper, and in more scholarly circles, Hostis Publicus or public enemy. AN: This is a spinoff of the Bored Outer God series.
Crossover - Cthulhu Mythos & Harry Potter - Rated: M - English - Western/Humor - Chapters: 1 - Words: 5,340 - Favs: 3 - Follows: 4 - Published: 12/25/2021
Of Mythos and Monsters by
Mah Lawn reviews
What happens when intentional grimdark crosses with accidental grimdark? This story tries to answer that, in which a ship full of Elder Things encounters a planet full of Monster Girls, and everything will likely go wrong for everyone involved.
Crossover - Cthulhu Mythos & Monster Girl Encyclopedia - Rated: T - English - Adventure/Humor - Chapters: 2 - Words: 8,838 - Reviews: 4 - Favs: 24 - Follows: 33 - Updated: 12/18/2021 - Published: 9/8/2021
Cthulhu VI by
Dr. Gairyuki
It's Halloween now on the Boiling Isle. Something was about to be unleashed on the unsuspecting residents and the Boiling Isle itself...
Crossover - Owl House & Cthulhu Mythos - Rated: K+ - English - Humor/Horror - Chapters: 2 - Words: 10,110 - Favs: 3 - Follows: 1 - Updated: 10/31/2021 - Published: 10/22/2021 - [Luz N., Amity B.] Hooty - Complete
Harry Potter and the Bored Outer God by
Daemon-Sultan reviews
In which Harry Potter is an avatar of Nyarlathotep. Post-GOF
Crossover - Harry Potter & Cthulhu Mythos - Rated: M - English - Horror/Humor - Chapters: 13 - Words: 60,583 - Reviews: 22 - Favs: 150 - Follows: 150 - Updated: 10/18/2021 - Published: 10/21/2020 - Harry P., Hermione G. - Complete
Maddening Bell by
Touhoufanatic reviews
Leaving his village to head to Orario to become a Hero, Bell Cranel witnesses a falling star and goes to investigate only to meet a Goddess quiet unlike any he, or anyone, has ever seen. his fate is now changed, for he has piqued the interest of none other than the Crawling Chaos, of Nyarlathotep, and nothing will be as fate had planned.
Crossover - Cthulhu Mythos & Dungeon ni Deai o Motomeru no wa Machigatte Iru Darou ka - Rated: M - English - Fantasy/Horror - Chapters: 6 - Words: 38,011 - Reviews: 39 - Favs: 350 - Follows: 424 - Updated: 10/15/2021 - Published: 5/11/2021 - Bell C.
XCOM: Mythos Point by
Zeroraid reviews
The Ethereal War ended a long time ago, and Humanity took topreparing for the Ethereal's return. Unfortunately as they prepared for one enemy, a second crept out the shadows of the ocean and the cities they defended. It is the years 2177, and the New Earth Government keeps a tight grasp on world after the open warfare between XCOM, sea monster and cultist have taken to the shadows.
Crossover - X-Com & Cthulhu Mythos - Rated: T - English - Sci-Fi/Supernatural - Chapters: 8 - Words: 27,259 - Reviews: 8 - Favs: 12 - Follows: 13 - Updated: 9/25/2021 - Published: 12/24/2020 - OC
The Gods Awaken by
RobbyA reviews
Nyarlathotep returns to the Boiling Isles to bring chaos to it.
Crossover - Cthulhu Mythos & Owl House - Rated: T - English - Adventure - Chapters: 30 - Words: 70,742 - Reviews: 39 - Favs: 24 - Follows: 27 - Updated: 9/9/2021 - Published: 12/18/2020
In fire by
jajafilm
This is a crossover of the TV series Supernatural and the work of H. P. Lovecraft. Burning books is an instrument of oppression and propaganda; it is also a sign of barbarism and an attempt to prevent people from accessing information. But what if a book is burned that should never have been written?
Crossover - Supernatural & Cthulhu Mythos - Rated: K - English - Supernatural/Fantasy - Chapters: 1 - Words: 238 - Favs: 2 - Follows: 2 - Published: 8/28/2021 - Sam W., Castiel - Complete
The Eldritch Empire by
scifienthusiast reviews
(This is the rewrite of Migou Queen of Earth Bet story.) A cosmic horror thinks that an altered human teenager can remove a pest problem for his kind. Mankind is never the same again.
Crossover - Cthulhu Mythos & Worm - Rated: T - English - Sci-Fi/Supernatural - Chapters: 1 - Words: 6,106 - Reviews: 6 - Favs: 86 - Follows: 108 - Published: 8/21/2021 - Skitter
Proper Care Of A Stray by
Jaycren reviews
They Say That Curiosity Killed The Cat But Satisfaction Brought Her Back. Who Is This Cute Boy, So Intent On Walking Toralei To School? ToraleixOC, Minor Lovecraftian influences. Fluffiness incoming.
Crossover - Cthulhu Mythos & Monster High - Rated: T - English - Romance/Friendship - Chapters: 8 - Words: 8,792 - Reviews: 4 - Favs: 14 - Follows: 14 - Updated: 6/15/2021 - Published: 6/15/2018 - Toralei, OC
Lovecraft's Curse on this Third-Rate World by
Jackie Avocado reviews
The Outer Gods have granted me a Gamer System unlike anything the internet has ever seen! All the while they watch my progress like some kind of Twitch stream. Now, get ready for the adventure of a lifetime and behold the unfiltered, uncensored, unsubstantiated, and unsportsmanlike experience that is the Eldritch Gamer. Now with absolutely no respect for the Fourth Wall!
Crossover - Cthulhu Mythos & KonoSuba: God's Blessing on This Wonderful World - Rated: M - English - Adventure/Humor - Chapters: 2 - Words: 8,141 - Reviews: 45 - Favs: 311 - Follows: 367 - Updated: 5/24/2021 - Published: 5/6/2021
The Bored Outer God: Through the Ages by
Daemon-Sultan reviews
A look at what Nyarlathotep has been up to over the years.
Crossover - Harry Potter & Cthulhu Mythos - Rated: M - English - Romance/Humor - Chapters: 1 - Words: 4,855 - Reviews: 7 - Favs: 17 - Follows: 11 - Published: 5/6/2021 - Complete
Revival by
RobbyA reviews
When the family dog is tragically ripped from the mortal coil, Lana meets a strange girl claiming that she has the means of bringing him back.
Crossover - Loud House & Cthulhu Mythos - Rated: T - English - Chapters: 12 - Words: 18,542 - Reviews: 6 - Favs: 9 - Follows: 9 - Updated: 2/21/2021 - Published: 12/26/2019 - Complete
The Horrors from Outer Space by
thebrillaintgrandmaster reviews
Crossover with Onyx Path's Scion 1e: Long ago, the Gods of the various pantheons overthrew the Titans, as Fate ordained. Little did the Gods know, the Titans had been holding back something far worse and powerful than anything they could imagine. As the Outer Gates begin to crack, it is up to the Rooks to unite the Pantheons and put the Outer Gods and their spawn back to sleep.
Crossover - Mythology & Cthulhu Mythos - Rated: M - English - Supernatural/Horror - Chapters: 1 - Words: 2,052 - Reviews: 1 - Published: 2/17/2021
Fredbear's Family Diner by
RobbyA reviews
Alternate reality take on the series that may or may not have some invoking of the Old Gods.
Crossover - Five Nights at Freddy´s & Cthulhu Mythos - Rated: T - English - Horror - Chapters: 1 - Words: 5,972 - Reviews: 2 - Favs: 3 - Follows: 1 - Updated: 2/2/2021 - Published: 5/2/2020 - The Murderer/William Afton
Nevermore Sweetling by
Ordon reviews
Qrow Branwen has long stood alone as the guardian of humanity against the various insane cultists and monsters that seek to bring destruction. Now however, he must make an unlikely alliance to protect a young champion who will prove key to defeating the darkness that comes.
Crossover - Cthulhu Mythos & RWBY - Rated: T - English - Adventure/Horror - Chapters: 79 - Words: 301,466 - Reviews: 86 - Favs: 167 - Follows: 169 - Updated: 1/12/2021 - Published: 8/11/2016 - Winter S., Qrow B. - Complete
The Mage who becomes a God by
Dante Fernandez reviews
When you stare into the abyss it will stare back. When you keep pushing they will push back harder. This is a world of blood and madness, the only way to truly survive and hold your place in the world... is to embrace it and conquer it with all your might.
Crossover - Warhammer & Cthulhu Mythos - Rated: M - English - Horror/Angst - Chapters: 1 - Words: 5,564 - Reviews: 6 - Favs: 42 - Follows: 51 - Published: 1/2/2021 - OC
Cassandra Angel and Hogwarts by
Ayeshsuxu reviews
When a girl is dropped off in a forest, just for being magical, maybe their first knowledge of the magical world shouldn't be the Necronomicon.
Crossover - Harry Potter & Cthulhu Mythos - Rated: M - English - Supernatural/Romance - Chapters: 1 - Words: 786 - Reviews: 2 - Favs: 8 - Follows: 13 - Published: 12/30/2020 - [OC, N. Tonks]
AberrantTale (Legacy) by
JaceEthaniel reviews
After freeing monsters from the Underground, Frisk does their best to make everything right in a cruel world; but cruel is just the tip of the iceberg. The surface is plagued with magic infused creatures created by the Barrier Incident, forcing the near-extinct humans and monsters to fight for their lives; as evil forces plan their destruction from within the shadows.
Crossover - Undertale & Cthulhu Mythos - Rated: M - English - Horror/Adventure - Chapters: 35 - Words: 278,032 - Reviews: 1 - Favs: 16 - Follows: 16 - Updated: 12/24/2020 - Published: 2/13/2020 - Frisk, OC, Chara, Flowey - Complete
Acquisitions Incorporated by
alexrusso89
Acquisitions Incorporated are back in a anthology series based on pennyarcade's series plot is my own
Crossover - Dungeons and Dragons & Cthulhu Mythos - Rated: M - English - Horror/Supernatural - Chapters: 13 - Words: 12,997 - Updated: 12/16/2020 - Published: 8/4/2019
Eldritch Love by
Dante Fernandez reviews
She always thought that the universe was a much bigger place than humans give it credit. She just never thought it was THAT big. Afterall what do you expect when every myth turns out to be true, aliens exist, and being blind & ignorant is actually a good thing? Oh yeah, her girlfriend turns out to be an Eldritch God and for some reason every Eldritch God out there wants her...
Crossover - Cthulhu Mythos & High School DxD/ハイスクールD×D - Rated: M - English - Horror/Romance - Chapters: 3 - Words: 16,160 - Reviews: 50 - Favs: 272 - Follows: 328 - Updated: 12/12/2020 - Published: 8/9/2020 - [OC, Ophis, Tiamat]
Sanity is Subjective by
Magnanimous Broccoli
This is a very short piece of writing to get me back into the mental state of writing eldritch horror. I might expand upon it, depending on how well it's received, but don't expect anything. It reads as slightly off, and overly dramatic to me, but that's why I'm practicing.
Crossover - Mythology & Cthulhu Mythos - Rated: K+ - English - Horror/Supernatural - Chapters: 1 - Words: 412 - Published: 11/23/2020
Bug? No tentacles by
Let Me BeLazy reviews
English is my second language and I am a shitty writer. So, sorry I am writing this for my satisfication.
Crossover - Cthulhu Mythos & Worm - Rated: T - English - Chapters: 2 - Words: 2,780 - Reviews: 3 - Favs: 15 - Follows: 20 - Updated: 11/9/2020 - Published: 11/8/2020
Shadow of the She-Devil by
Lyrium eidolon reviews
A young child sees visions every time he closes his eyes, yet his eyes will be opened to things he never knew about before. He must use everything he learns to escape the black-winged assassin that is targeting him.
Crossover - Cthulhu Mythos & High School DxD/ハイスクールD×D - Rated: M - English - Mystery/Horror - Chapters: 1 - Words: 1,445 - Reviews: 1 - Favs: 10 - Follows: 18 - Published: 10/3/2020
Anna vs Cthulhu by
Pre-Animation Man
When reality crashed down and creatures never meant to come into this world are threatening all of world, six children have been once again chosen to save their world.
Crossover - Cthulhu Mythos & Pippi Longstocking - Rated: T - English - Supernatural - Chapters: 1 - Words: 2,343 - Published: 9/28/2020 - Pippi L., Anna - Complete
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