Alternate Universe - Serial Killers FanFiction

The Plagues

The Plagues

M/M
G
Updated
13.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Harry Potter, Hermione Granger, Ginny Weasley, Tom Riddle | Voldemort, Colin Creevey, Tom Riddle, Voldemort (Harry Potter), Harry Potter/Tom Riddle, Hermione Granger & Harry Potter & Ron Weasley, Harry Potter/Tom Riddle | Voldemort, Hermione Granger & Harry Potter, Harry Potter/Voldemort,
Tags
Other Additional Tags to Be Added Blood and Gore Crime Fighting Blood and Violence Alternate Universe Organized Crime Morally Ambiguous Character Stalking Serial Killers Tom Riddle is Obsessed with Harry Potter Morally Grey Harry Potter Morally Grey Hermione Granger
Harry Potter, head Auror, is obsessed with catching Voldemort—a ruthless serial killer who leaves behind nothing but bodies and cryptic messages. As the hunt intensifies, he finds himself drawn to the enigmatic politician Tom Riddle, unaware that the...
Think again (and please don’t assume)

Think again (and please don’t assume)

F/F
F/M
M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Mary Macdonald (Harry Potter), Marlene McKinnon, Dorcas Meadowes, Marlene McKinnon/Dorcas Meadowes, Frank Longbottom,
Tags
Fluff Modern Era Angst Alternate Universe - College/University Child Abuse POV Multiple Alternate Universe - Rock Band Sorry Not Sorry NSFW Pandora Lovegood is a Rosier Alternate Universe - Serial Killers no beta we die like everyone in canon
Lily scoffs as she looks at the papers, “Nothing. Just like the Prewett’s murder, the killer left nothing to identify them.” She slides the file back towards Frank and Remus, Remus doesn’t hesitate to pick them up and look at the information himself....
When The Killer Falls in LOVE

When The Killer Falls in LOVE

F/F
G
Updated
11.04.2025
Fandom
Arcane: League of Legends (Cartoon 2021)
Characters
Caitlyn/Vi (League of Legends), Caitlyn (League of Legends), Vi (League of Legends), Caitlyn & Vi (League of Legends)
Tags
Blood and Violence Caitlyn and Vi are in Love (League of Legends) Vi Needs a Hug (League of Legends) POV Caitlyn (League of Legends) Caitlyn Needs a Hug (League of Legends) POV Third Person Alternate Universe - Serial Killers
為愛發電 篇幅不長 文筆可能沒那麼好故事關於AU 殺手Vi & 委託者Caitlyn因為是殺手故事所以有關於殺人場面的描寫對血腥暴力敏感者請先行離開設定上Vi沒有刺青(畢竟身為Killer有刺青會很難偽裝) 且身高比Caitlyn高一點可能些許OOC 不喜勿入那麼 讓我們開始吧 (｢･ω･)｢
But Sin Tasted So Sweet

But Sin Tasted So Sweet

M/M
G
Updated
17.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, James Potter
Tags
Alternate Universe - Modern Setting Angst Alternate Universe - Serial Killers
It was him; how could it be anyone but him? His posture, his walk, his clothes, even drenched in someone else's blood he recognised Regulus.
in the Ruby-verse

in the Ruby-verse

F/F
G
Updated
12.04.2025
Fandom
RWBY
Characters
Ruby Rose/Weiss Schnee, Blake Belladonna/Yang Xiao Long, Summer Rose (RWBY), Ruby Rose (RWBY), Yang Xiao Long, Weiss Schnee, Blake Belladonna, Qrow Branwen, Ozpin (RWBY), Ruby Rose & Yang Xiao Long, Ruby Rose & Summer Rose
Tags
Alternate Universe - Canon Divergence Alternate Universe - Magic Alternative Universe - Kingdom Role Reversal Ruby Rose (RWBY) Needs a Hug Multiverse Inspired by Fanfiction Alternate Universe - Serial Killers Wolf Faunus Ruby Rose (RWBY) Mentioned Summer Rose (RWBY) Summer Rose (RWBY) Lives Child Ruby Rose (RWBY)
When Ambrosius said don't fall, he meant it. Ruby wakes up in a completely unknown plane and talks to the god of light for a bit, He offers him the chance to save his reality in exchange for saving 7 others. Ruby unknowingly accepts the moral and emo...