MrMayor
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Omnilovania: An AU Theme List by MrMayor
Fandoms: Undertale (Video Game), Deltarune (Video Game)
01 Apr 2025
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A huge list of AU themes that you would most likely find in an Omnilovania or similar compilation. I started the list for fun and decided to post it for others to see and use as a reference. Please don’t post it anywhere else. I do not claim to own any of the characters, AUs, or themes in my list.
Are you looking to make an AU and want to know if a song name or AU name has already been used? Or maybe you need to know which theme goes with which AU for some reason? Well then this is the list for you.
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Just a dumping ground for my thoughts and ideas and theories on the game. Don’t expect regular updates. Feel free to leave theories in the comments.
My Friend Code: 1055871349ML
Recent bookmarks
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You were kidnapped by the Bad Sanses gang because you apparently "stole" Horror's axe. All hell breaks loose.
arc 1 (1-15): encounter
arc 2 (16-29): after
arc 3 (30-?): knit -
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“Oh?” Mutt repeated, confused.
“That’s all you have’ta say?” Red exclaimed, bemused. “Your home is gone, and you’re literally stuck in another universe! What do you mean, ‘oh’!?”
“Red!” Edge scolded, shocked at his outburst.
“What!? He should be freakin’ out right now!” Red defended.
“Maybe he’s in shock?” Mutt offered, just as lost.
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You were reincarnated to a world of war with a bundle of tiny bones in your arms. With a crazy scientists chasing you for something you don’t even remember doing, trying to escape with your little brother, living a new life that isn’t quite yours, lots of angst, NEW skeletons that probably think you’re crazy, and even more comfort… you are in for quite the wild ride.
The new chapters are now including a skeleton-house that is becoming VERY concerned for your mental wellbeing, (buried after the much-needed war-trauma,) and you have to deal with a whole OTHER group of crazy people judging you. AGAIN.
But… in order to have the best comfort fic, you sometimes need to have the worst angst beforehand.
Or, as Gaster once said… you need to break a few eggs in order to make an omelette. :] -
Harry Potter and The Dark Lady's Vengeance (Vanilla Version) by BeerBatterDBC
Fandoms: Harry Potter - J. K. Rowling
13 Aug 2026
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After awakening to a future where she was love potioned by Ron Weasley and fattened into a whale, Hermione finds that there is nothing that she can do about it. So she goes back to the past armed with a prophecy that will change the Wizarding World for the better.
Warning: A lot of Weasley/APWBD/Snape/Ministry Bashing.
Bookmarked by MrMayor
15 Aug 2026
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- Words:
- 25,255
- Works:
- 2
- Bookmarks:
- 48
Bookmarked by MrMayor
12 Aug 2026
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Harry, Narcissa and Hermione vs Magical Europe by IdleManRPG
Fandoms: Harry Potter - J. K. Rowling
20 Aug 2025
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The night Voldemort fell, Narcissa Malfoy saw a vision of a horrific future after the true defeat of Voldemort, one where Magical Europe was destroyed to its core. Determined to prevent this, she decides to raise Harry Potter, the boy who's life she saw as well, in the muggle world, in hopes he and his soulmate Hermione Granger can prevent the deaths of thousands of innocents.
Hogwarts begins at age 13, takes place 20 years in the future, so Hogwarts begins in 2011.
Harry x Harem - Hermione, Susan, Daphne, Luna, Fleur, Ginny, Tonks
Neville x Harem- Hannah, Millicent and Tracey
Bookmarked by MrMayor
12 Aug 2026