Fandoms
Recent works
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Shadows Cast on Cavernous Walls by back_that_sass_up
Fandoms: Batman - All Media Types, Percy Jackson and the Olympians - Rick Riordan
04 Nov 2025
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Summary
Jason Todd died at the age of 15, living a life heroic enough to earn him a place in Elysium. Before the judges could ever place him there, he earned himself a friend.
When Nico di Angelo learned his sister died, he found himself drawn to the Underworld on a futile quest to bring her back. Just outside the Judgment Pavilion, he found a person who would help, just not in the way he thought he needed.
//
Jason Todd and Nico di Angelo become friends for (after-)life.
Series
- Part 1 of Out of the Underworld
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Songs of the Southern Water Tribe by back_that_sass_up
Fandoms: Avatar: The Last Airbender (Cartoon 2005)
25 Oct 2025
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Summary
A collection of sea shanties and folk songs from the Water Tribes.
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Aang Joins the Gaang Early by back_that_sass_up
Fandoms: Avatar: The Last Airbender (Cartoon 2005)
12 Sep 2025
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Summary
Aang had never had siblings before. That wasn't really a *thing* for airbenders. But Katara made him promise to take her penguin sledding, and nine-year-old Sokka vowed he'd keep him safe like he did his sister.
So yeah. Aang had siblings now, and he'd protect them with his life.
//
A friendly reminder to defrost your Avatar thoroughly before cooking, for best results.
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Mirrors of Twilight by back_that_sass_up
Fandoms: The Legend of Zelda & Related Fandoms, Linked Universe - jojo56830 (Webcomic)
15 Jul 2025
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Summary
Twilight cleared his throat to make sure he didn’t spook his brightly colored doppelganger. “What I’m wonderin’ is why do you think the guy you’ve got up a tree back there is a dark but I’m not.”
The air was calm except for the occasional creak of branches and rope from the still-bound shadow. Slowly, with eyes full of open curiosity, Goldie turned to look at where Twilight was leaning. He gave him an appraising once-over. Then a hum.
“You haven’t attacked me yet, I suppose.”
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Knightslayer by back_that_sass_up
Fandoms: Fire Emblem: Fuukasetsugetsu | Fire Emblem: Three Houses
21 May 2025
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Summary
Once, Rhea ordered a city to be burned alive and Catherine held the torch.
The next time around, someone remembered, and that someone wasn’t about to let it happen again.
//
Cyril finds Catherine murdered by her own sword. Now he’s on a quest to find out who killed her before they strike again.
Recent series
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Out of the Underworld by back_that_sass_up
Fandom: Batman - All Media Types, Percy Jackson and the Olympians - Rick Riordan
04 Nov 2025
- Words:
- 7,793
- Works:
- 1
- Bookmarks:
- 3
Recent bookmarks
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Nepenthe by TheProfoundSilence
Fandoms: Percy Jackson and the Olympians - Rick Riordan, Percy Jackson and the Olympians & Related Fandoms - All Media Types
05 Jul 2020
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Summary
Athena has just crossed the limits, dragging Percy in their feuds. Poseidon may not be able to hurt her or her children but he was hardly the strategist of Olympus for nothing. There are so many more ways to hurt her than a physical assault. Featuring a heart-to-heart with Percy and good brother!Triton.
Series
- Part 1 of Thunderous Tides and Cruel Politics
- Language:
- English
- Words:
- 3,381
- Chapters:
- 1/1
- Collections:
- 12
- Comments:
- 145
- Kudos:
- 8,848
- Bookmarks:
- 1,685
- Hits:
- 110,620
Bookmarked by back_that_sass_up
07 Nov 2025
Bookmarker's Notes
Poseidon gets to comfort his son and fuck up Athena’s day, all in one spiteful, insightful conversation.
Not really Annabeth bashing, despite A/N.
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i could be your hero by sundaysabotage
Fandoms: Percy Jackson and the Olympians & Related Fandoms - All Media Types, The Heroes of Olympus - Rick Riordan, The Trials of Apollo - Rick Riordan
03 Jun 2020
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Summary
“I just don’t get it,” he huffs to Will as they put up holiday decorations in the unusually quiet infirmary, “they talk to me like I’m supposed to know stuff. Like I’m the new Percy or something.”
Nico expects Will to laugh at this, shrug off his concerns as unfounded and tell him he’s being over-dramatic like usual.
He is wrong.
“Okay, babe, don’t take this the wrong way. But, you kind of are the new Percy.”
___
Based on a tumblr post I made about Nico being the obvious choice as Camp Half-Blood's unofficial leader when Percy leaves for college. (only no one bothers to tell Nico that)Series
- Part 1 of tired head counselor nico
- Language:
- English
- Words:
- 10,886
- Chapters:
- 1/1
- Collections:
- 7
- Comments:
- 158
- Kudos:
- 6,827
- Bookmarks:
- 1,549
- Hits:
- 54,684
Bookmarked by back_that_sass_up
07 Nov 2025
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When in Rome by CaffeinatedFlumadiddle
Fandoms: The Heroes of Olympus - Rick Riordan, Percy Jackson and the Olympians - Rick Riordan, Percy Jackson and the Olympians & Related Fandoms - All Media Types, The Trials of Apollo - Rick Riordan
12 Oct 2025
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Summary
“Is this your plan for all of eternity?” the mystery boy asked, looking almost amused at Jason’s wandering. “Sneaking out of Elysium and haunting your loved ones?”
Jason turned, refusing to let himself get riled up. Instead, he glanced over at where Thalia began to make a paper airplane and then looked back at his apparent stalker.
“I didn’t sneak out,” he said. “I have permission from Pluto to leave as I wish. It is my right as a spirit of Elysium.”
The boy clicked his tongue. “I see,” he said, and looked at Thalia with a sad sort of smile. “And how is that going?” Jason didn’t answer. He didn’t have to. He didn’t know who this was - if it was a god, spirit, or something else entirely. “Do you know who I am?” the stranger asked as if reading his mind.
Jason ignored him. It was time to go. He wouldn’t enjoy his time with Thalia if he was being harassed for the entirety of it. Could he visit Piper again? Or would this guy follow him there too?
Just as he stepped away, the boy laughed. “Luke Castellan,” he called. “If you were wondering.”
Or
Jason is trying to have a productive death. Unfortunately, a certain son of Hermes is making his afterlife harder than it needs to be.
Series
- Part 3 of Proverbs and Idioms
- Language:
- English
- Words:
- 40,068
- Chapters:
- 8/9
- Comments:
- 260
- Kudos:
- 1,043
- Bookmarks:
- 194
- Hits:
- 16,581
Bookmarked by back_that_sass_up
02 Nov 2025
Bookmarker's Notes
8/9 It takes a friendship with Luke Castellan after they're both dead, but eventually Jason learns to live a little.
Funny and philosophical. I want to savor this.
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swimming is to drowning as flying is to by TransSilver
Fandoms: Batman - All Media Types, Nightwing (Comics), Teen Titans - All Media Types
08 Sep 2022
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Summary
The child. Talon’s test. Not its first, not the first shaking form to be placed before it. They died, like Talon died, but didn’t move again. Talon thinks the first was hard. It was easy by the time they brought the child.
They’d never brought it a child before.
“What kind of shitstain hurts kids?”
or; a newly-escaped, formerly-Nightwing Talon crosses paths with a newly-established Red Hood; both recognize something in the other. featuring Talon/Dick living off of protective instincts alone, Jason trying to give a bird-assassin therapy while actively killing people, and family coming together to spite odds.
Series
- Language:
- English
- Words:
- 60,886
- Chapters:
- 21/21
- Collections:
- 5
- Comments:
- 1,445
- Kudos:
- 7,228
- Bookmarks:
- 1,595
- Hits:
- 167,792
Bookmarked by back_that_sass_up
29 Oct 2025
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Siamo Nei Guai by kingburu
Fandoms: The Heroes of Olympus - Rick Riordan, Percy Jackson and the Olympians & Related Fandoms - All Media Types, Percy Jackson and the Olympians - Rick Riordan
01 Oct 2014
Tags
Summary
Nico di Angelo wakes up and finds out Bianca di Angelo, Praetor to the Twelfth Legion, is alive.
Jason wakes up to an olive-skinned boy with a crew cut, purple shirt, and three tic marks on his arm, claiming to be Nico di Angelo.
- Language:
- English
- Words:
- 51,909
- Chapters:
- 3/3
- Comments:
- 111
- Kudos:
- 2,286
- Bookmarks:
- 675
- Hits:
- 39,720
Bookmarked by back_that_sass_up
27 Oct 2025

