HeartOfCarbide
Fandoms
Recent works
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Summary
A•ce•di•a
/əˈsēdēə/noun.
1. spiritual or mental sloth; apathy.
2. the second Homunculus created by Father (December 13th, 1602).Really, acedia's just the Ultimate Procrastination. Good thing Father got rid of that sin early on, no?
Series
- Part 1 of SIs and OCs as Their Own Character
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Imposter Syndrome (easier said than done) by HeartOfCarbide
Fandoms: One Piece (Anime & Manga)
06 May 2026
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Summary
Where an SI wakes up as Zoro, is still trans, and tries their best to live up to his name, his Dream, and most importantly, his role.
(the first mate, the second strongest, the protector, they need to be the strongest swordsman, they can't leave the crew without him)
Where Kuina lives, gets to be a woman, and takes no one's bullshit.
(no elaboration required :] )
And where the original Zoro makes his return, about a decade down the line, because SI!Zoro really needed the reminder of how they're different.
(if your role model came to you, fought you, and told you that you are strong, would you believe him?)
Series
- Part 1 of SI Into an Existing Character
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Summary
[discontinued, find rewrite here]
Sometimes, you live as a Fuck You to the world, and that's all the reason you need to keep going.
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Arcs:- East Blue
- Shimotsuki - 30/30 || (Chapters 1-30)
- Neither of Them Can Swim - 11/? || (Chapters 31-xx)
*cackles in delight*
Have this transmasc SI!Zoro + trans Kuina (who lives!!) ficwritten in vignettes <3
Series
- Part 2 of SI Into an Existing Character
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Summary
An Earthling wakes up in Luffy’s head and is ready to throw hands with Canon.
(No take backs—I can't catch).
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Prompt: The electricity in your home goes out, except for one television that repeats the same four words over and over again.
Just a little scene with my TF2 OCs. <3
Recent series
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In Where Lee Lives Rent-Free in People’s Heads (Literally) by HeartOfCarbide
Fandom One Piece (Anime & Manga)
19 Jul 2025
Summary
Published:
- Two L's Make a W: Lee(SI) joins Luffy in his head and fucks over Canon to save people (also eventual Crocodad)
Drafts: (with working titles)
- Guardian (not an) Angel: Lee joins Sanji in his head and they figure out self-worth together. <3 also proper respect juice
- No Return(s): Lee joins Miguel O'Hara in his head (lmao) and attempts to fuck over Canon (idk how that will go yet lol. my folder is literally named "Either Double Trauma or Less Trauma" LMAO)
- [untitled]: Lee joins Severus Snape in his head (hehe) and we get better family vibes >:]
if you want any of these published, just poke me (tumblr or comments) :] no guarantees that it'll be a work with upload priority, but you can join me in the brainrot ;]- Words:
- 18,150
- Works:
- 1
- Bookmarks:
- 40
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Summary
Published:
- Easier Said Than Done: an SI as Zoro fic, trans vibes <3 also Kuina lives mwehehehe
Drafts: (with working titles)
- There is No Such Thing as Absolute (when you talk about humanity): an SI as Sakazuki, outside pov
- [untitled]: an SI as Crocodile, more trans vibes <3, also Crocodad!!
- [untitled]: an SI as Asagiri Gen from Dr. Stone, probably mostly canon compliant - just with SI!Gen being more science nerd
- [untitled]: an SI-OC with more experience points in Confidence and Giving No Shits wakes up as Adam from Hazbin Hotel and becomes Dadam (dad + adam) >:]
poke me if you wanna see one published :] (no guarantees it'll be a work with uploading priority tho) <3
- Words:
- 22,492
- Works:
- 2
- Bookmarks:
- 18
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SIs and OCs as Their Own Character by HeartOfCarbide
Fandom Fullmetal Alchemist: Brotherhood & Manga
23 May 2026
Summary
Published:
Acedia: SI as the 2nd of Father's homunculi and the 8th Sin. They do their best to keep their humanity and fuck over Father with as little casualties as possible (no, they themself does not count, despite what everyone else may say).Drafts:
Bleeding Heart: A TF2 AU where my SI dies and wakes up on Herbert's doorstep (talk about literal death's door haha). They dedicate their life to making sure the Gravel Wars exists as it does in their memories, but at what cost? (this is the story that eats up my soul whenever Acedia doesn't have their turn with it. check out my yapping on Tumblr tehe)there is quite a lot more aha but I will add them later bc i have a lab report due oops
- Words:
- 30,682
- Works:
- 1
- Bookmarks:
- 1
Recent bookmarks
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Ave María, ¿Cuándo serás mía? Except it turns out 'cuando' is really relative when it's time travel, y'all by Des98
Fandom Project Hail Mary (2026), Project Hail Mary - Andy Weir
18 Jun 2026
- Words:
- 64,882
- Works:
- 21
- Bookmarks:
- 1,753
Bookmarked by HeartOfCarbide
25 May 2026
Bookmarker's Notes
beautiful crack taken seriously time of silly plus angst haha Grace and Eridians time travel fix it 💖💖💖
it is 5 am goodnight
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Summary
“I just think it’s kind of a messed-up thing to do to a baby,” I said.
AKA: the one with time travel. When the opportunity arises, Rocky and Ryland can't turn down the chance to save Rocky's crew.
It all kind of spirals from there.
Series
- Part 1 of Red Thread
- Language:
- English
- Words:
- 60,352
- Chapters:
- 13/?
- Comments:
- 1,424
- Kudos:
- 3,590
- Bookmarks:
- 1,038
- Hits:
- 47,181
Bookmarked by HeartOfCarbide
25 May 2026
Bookmarker's Notes
beautiful time loop fix it with Ryland and Rocky and angst tehe I love this sm
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It is Out of Love that Atlas Bears Her Burden, and it is Orpheus Who Understands Her Sacrifice by Tired_Wandering_Soul
Fandoms: Project Hail Mary (2026), Project Hail Mary - Andy Weir
17 May 2026
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Summary
Ryland Grace may have thrown aside all care for the incomprehensible social niceties that held him down his first time around on Earth, but his love is stronger than ever. He can share it while he waits for his family.
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Eva Stratt is holding more than anyone was ever meant to. The mask is tied so tightly she forgets what she looks like under it. Only one person truly knows, and she killed him but cannot remember.
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Summary
"No," Zooble fired back immediately. "That was not an adventure, Caine."
"You can't prove it wasn't," Caine deadpanned.
~
Caine loses his powers instead of his life.
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Summary
Portgas D. Ace is ready to be executed, he's made peace with it... Until a rag-tag band of marines frees him from Impel Down. They come in the name of his traitor of a brother, a man who had carried him into that same cell.
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.
Now with art courtesy of Ariihen
See Marine LuffySeries
- Part 1 of Who We Were Meant To Be - AU
- Language:
- English
- Words:
- 51,346
- Chapters:
- 37/37
- Collections:
- 9
- Comments:
- 1,606
- Kudos:
- 4,772
- Bookmarks:
- 1,186
- Hits:
- 90,619
Bookmarked by HeartOfCarbide
07 Mar 2026
Bookmarker's Notes
love love love 🥺💖
the angst and love and devotion and freedom and justice. binge reread in a day