Which Platforms Host The Most Popular Diluc X Kaeya Fanfiction Series?

Definitely need to mention Archive of Our Own for this ship. The tagging system means you can get super specific – if you want just the angst, just the hurt/comfort, just the accidental marriage trope some writer dreamed up, it's all there. The quality varies wildly, of course, you'll sift through a lot of 'and then they kissed' fics, but when you find authors who really dig into their complicated history from the 'Genshin Impact' lore, the payoff is huge. Some treat Kaeya's loyalty crisis and Diluc's grief with this devastating weight that the game only hints at. Honestly, the best deep cuts I've found aren't even on the big archives sometimes. Tumblr blogs that have been running for years, where someone will write a 5k thread about them sharing a drink after a long mission, or a Twitter thread that's just headcanons about Diluc secretly keeping Kaeya's old cavalry captain insignia. It's fragmented, but the raw emotion in those little snippets often hits harder than a perfectly plotted 20-chapter epic. Wattpad has a younger vibe overall, but I've stumbled upon a few gems there that played with modern AUs in really fun ways, like making them rival bartenders. My bookmark folder is a mess of links from all over. It's less about one platform being 'the best' and more about following the writers you like as they migrate or cross-post.

I'll be honest, I haven't found a single platform that truly dominates for Kaeya/Dainsleif content. It's a pretty niche ship, so it's scattered. Ao3 is the standard, of course, and there's a decent amount there—you can filter by the 'Kaeya/Dainsleif' tag and get maybe a few hundred works? But the quality range is wild. Some are these beautiful, melancholic explorations of their shared Khaenri'ah history, real slow-burn tragedy. Others are... less polished. Tumblr still has a lot of the fandom pulse for this pairing. People post headcanons, short drabbles, and moodboards that never make it to Ao3. The tags #khaenri'ahbros or #kdain are useful there. You won't find full 50k-word epics on Tumblr, but you'll find the vibe and the community that fuels the writers. Twitter is similar, but harder to search. Sometimes the best stuff is a thread someone wrote on a whim and never archived elsewhere. Wattpad feels like it has mostly younger fans writing for it? The tropes there are very different—more 'bad boy' Kaeya or secret romance plots. It's not my personal taste, but some stories get surprisingly high read counts. It's worth a quick look if you're into more conventionally dramatic styles. Overall, you gotta be a bit of a digital hunter for this ship; no one place has it all.

AO3 is far and away the best for Kaeya/Dainsleif stuff, and it’s not really close. The tagging system makes it so much easier to filter for their dynamic specifically—you can find everything from angst-heavy missing scene fics set after the Chasm to modern AUs where they’re rivals in a coffee shop. The collections there tend to be curated by fans who genuinely care about exploring their complicated history, not just slapping them together for the sake of a popular ship. The quality of writing is noticeably higher, and you see more experimental styles that play with memory and unreliable narration, which fits them perfectly. I do check Tumblr for shorter, more atmospheric drabbles and moodboards that capture their aesthetic, but for actual multi-chapter stories or coherent collections, Archive of Our Own is home base. Some authors cross-post to other places, but AO3 is where the dedicated, long-term projects live.

If you're craving that perfect blend of angst, unresolved tension, and heart-wrenching reconciliation between Kaeya and Diluc, 'Where the Wine Burns Cold' is an absolute masterpiece. The author nails their dynamic—Diluc's simmering rage and Kaeya's deflective charm—while weaving in flashbacks of their childhood that make the present-day rift even more painful. The slow burn is agonizingly good, with moments like Kaeya drunkenly confessing regrets under the Angel’s Share tavern’s dim lights. For something softer, 'Frostbloom and Embers' focuses on post-reconciliation fluff, where Diluc begrudgingly lets Kaeya crash at the winery during a storm. The way they relearn trust through small gestures (Diluc remembering how Kaeya takes his coffee, Kaeya mending Diluc’s torn cloak) is ridiculously tender. Both fics are on AO3 and have fanart linked in the author’s notes, which just adds to the immersion.

Okay, let's talk ZD. If you're hunting for dedicated spaces, the Archive of Our Own is probably your central hub. The tagging system there is a lifesaver – you can filter for 'Zhongli Morax/Diluc Ragnvindr' and then sort by kudos or bookmarks to see what's got the fandom buzzing. I've noticed some real gems on AO3 that explore the potential of geo-architect meets wine tycoon in ways you don't see elsewhere, from grand political alliances to quiet, post-archon-war retirement fics. Tumblr also has a surprisingly active scene, but it's more fragmented; you'll find amazing writers through reblog chains and shared moodboards, but it's less of a library and more of a curated gallery you have to wander through. Honestly, the 'best' is subjective. Some of the most emotionally raw pieces I've read were on personal blogs linked from Twitter, completely unpolished but hitting harder than the most polished multi-chapter epics on the bigger sites. Wattpad tends to skew younger with its plots, but I did stumble across a fantastic modern AU there that had Diluc as a bar owner and Zhongli as a visiting geology professor – it was unexpectedly sweet. The platform choice really depends on what flavor you're craving. For deep lore and intricate character studies, AO3 is king. For visual aesthetic and quick, punchy drabbles, Tumblr wins. Just be prepared to dig a little wherever you go.

Brotherhood turned rivalry is always the big one, but writers do wild things with it. The "you abandoned Mondstadt" versus "you never understood the darkness I faced" internal strife gets rehashed constantly, sometimes well. I lean more into the angsty misunderstandings that get stretched out over 50k words—like, they’re both so tragically noble and terrible at talking. Then there’s the popular amnesia trope after a battle injury; Kaeya forgetting their shared past but feeling drawn to Diluc anyway. Honestly, I skim those if the pining isn’t balanced with actual plot. Lately I’ve seen more fics using the Fatui or Abyss Order as an external threat forcing them into a reluctant alliance. Those can be fun when the focus stays on the tense, clipped dialogue and shared glances during fights, rather than the world-saving itself. The best conflict I read recently was a slow-burn where Diluc slowly uncovers Kaeya’s hidden research into curing Crepus, which Kaeya kept secret out of guilt. It wasn’t about big fights; it was about the quiet horror of realizing how much they’ve silently sacrificed for each other.

Man, the tension between Kaeya and Diluc is *chef's kiss* for angst potential. Picture this: a mission gone wrong forces them to rely on each other in a life-or-death situation, but their fractured trust makes every interaction sting. Maybe Kaeya gets injured shielding Diluc from an Abyss Mage’s attack, and Diluc has to carry him to safety—fighting his own guilt the whole way. The real kicker? Kaeya wakes up and deflects with his usual smirk, but his voice cracks when he says, 'Didn’t think you’d bother.' Bonus if it rains during their argument. Or what if they stumble upon an old family relic—something from their childhood—while investigating a Fatui plot? Diluc’s cold demeanor shatters for a second, and Kaeya, for once, doesn’t have a witty comeback. Just silence, heavy with everything unsaid. The setting could be Dawn Winery’s attic, dust motes floating in sunset light, making the moment feel like a paused memory. Throw in a flashback of them training together as kids, and boom, emotional devastation.

There's a tendency in Diluc/Kaeya stuff to lean on redemption frameworks—which, yeah, works given the betrayal, but the more interesting pieces shift the focus from 'forgiveness' to understanding why the betrayal could even happen. Instead of Diluc just absolving Kaeya, you see them both realizing their entire dynamic was built on unspoken rules and assumptions from childhood. One I read had Kaeya's growth not about becoming 'good' but about learning to want things for himself, not just as a spy or a brother, while Diluc's was about recognizing he'd built his identity around a rigid code that left no room for human error. That version felt real because they didn't magically trust again; they learned how to argue without drawing swords. It's less a linear 'healing' and more like two jagged puzzle pieces figuring out a new way to fit that doesn't mimic the old picture. What gets me is when authors skip the messy middle. Emotional growth isn't a single confession scene; it's Kaeya letting his guard down because he's tired, not because it's strategic, and Diluc noticing but not commenting on it. That quiet shift from performance to exhaustion—that's where the arc actually lives. I've dropped fics where they reunite too neatly; the ones that stick show them rebuilding a language from scraps, with all the misunderstandings and setbacks that come with it.

Alright, so bottom Kaeya fic? That's a surprisingly specific niche even within Genshin Impact circles. Most of the dedicated stuff I've stumbled across is on AO3, hands down. The tagging system over there lets you drill right down to 'Kaeya (Genshin Impact)/Bottom Kaeya' and then sort by kudos or bookmarks. You'll find a ton of KaeLuc (Diluc x Kaeya), obviously, but also some really creative rare pairs and character studies that use the dynamic to explore his canon vulnerability under all that performative charm. The main trick is filtering out the huge volume of general Kaeya works. I usually exclude 'Top Kaeya' tags right off the bat. Some authors are amazing at weaving the power dynamics into the story so it feels organic—less about the tag and more about his characterization. Tumblr used to have more snippet-style posts, but it's harder to search now. Twitter/X is mostly art and vibes, not long-form stories. Honestly, if you're deep enough into a fandom to be hunting for a specific trope for a specific character, AO3 is basically home.

Honestly, I think people sleep on how good slow-burn AUs are for this specific pairing. The brothers' history is already dripping with unresolved everything—betrayal, duty, conflicting loyalties. When you transplant them into, say, a modern noir setting where Kaeya's a detective and Diluc runs a bar that's a front for something shadier, you get to stretch that tension over months of chapters. Every shared glance across a smoky room, every 'business' meeting that's really just an excuse to argue, feels earned. The real kicker for me is when the fic uses the 'there was only one bed' trope but makes it psychologically brutal. They have to share a safehouse after a job goes wrong, and they're both too wounded and proud to say anything. The silence says more than any dramatic confession. Genuinely, some of the most emotionally wrecking fics I've read weren't explicit at all; they were just two people in a room, remembering how to be brothers while wanting to be something else. Found one last week set in a fantasy academia AU where they're rival researchers—Diluc studying elemental purity, Kaeya delving into forbidden Khaenri'ah alchemy. The tension came from stolen research notes and debates over coffee that sounded like foreplay. It's clever.