Are There Any Eminence In Shadow Fanfic Crossover With One Piece?

I’m more of a lurker in fanfic spaces, but I’ve definitely noticed a surge in 'Eminence in Shadow' x 'One Piece' mashups lately. Maybe it’s because both series have that larger-than-life energy? Cid’s whole 'I’m just a background character' schtick could work hilariously in the 'One Piece' universe—imagine him trying to blend in on Dressrosa while accidentally triggering the Birdcage early. Most fics I’ve skimmed play with power dynamics: Shadow Garden vs. the Yonko, or Cid ‘training’ with Garp and terrifying everyone by ‘pretending’ to be weak. There’s this one-shot where he mistakes the Going Merry for a ‘prop’ and ‘reacts’ by ‘casually’ repairing it with magic, leaving Usopp in existential crisis. The comments were all ‘THIS IS CANON NOW.’

Found a crossover where Cid gets reincarnated as a Celestial Dragon. The author leaned hard into irony—him ‘pretending’ to be a tyrant while secretly ‘saving’ slaves, all while the other nobles think he’s just eccentric. The comment section debated whether Doflamingo would respect or despise him for weeks. Short but brilliant.

I’ve toyed with this crossover idea myself! The challenge is merging 'The Eminence in Shadow’s' meta humor with 'One Piece’s' lore. Like, would Cid’s ‘atomic’ magic count as a Devil Fruit? Would he mistake Haki for ‘another hidden power system’ and ‘practice’ it theatrically? I’ve seen takes where he joins Buggy’s crew (perfect for his ‘background mob’ act) or ‘infiltrates’ CP9 while convinced it’s all an elaborate roleplay. One writer nailed it by having him ‘fake’ a bounty poster, only for the World Government to take it seriously after he ‘accidentally’ defeats a Warlord. The comments exploded with ‘PEAK FICTION’—and honestly, I agree. The beauty is how both series celebrate absurdity; a good fic lets Cid’s delusions collide with 'One Piece’s' worldbuilding like a trainwreck you can’t look away from.

Ever since I stumbled upon fanfiction communities, I've been obsessed with crossovers that blend wildly different worlds. 'The Eminence in Shadow' and 'One Piece' seem like an odd pair at first—one's about a chuunibyou protagonist playing shadow broker in a fantasy world, the other's a swashbuckling epic with pirates and devil fruits. But that contrast is exactly why I love the idea! I’ve seen a few gems where Cid (or Shadow) gets tossed into the Grand Line, either as a Straw Hat or a rival. Some focus on his over-the-top theatrics clashing with Luffy’s chaos, while others dive into how his 'mob persona' might interact with, say, Zoro’s seriousness. One fic even had him 'accidentally' founding a new pirate crew convinced he’s faking it, which feels so in character. The best part? Writers often borrow 'One Piece’s' knack for absurd power scaling to justify Shadow’s shenanigans—imagine him 'coincidentally' awakening Conqueror’s Haki while monologuing about nuclear magic.

What really hooks me, though, is how these stories balance tones. 'The Eminence in Shadow' leans into parody, while 'One Piece' mixes goofiness with emotional depth. A good crossover nails Cid’s obliviousness but lets the Straw Hats’ camaraderie shine through. I’ve bookmarked one where he ‘infiltrates’ Marineford pretending to be a rookie, only to ‘unintentionally’ upstage everyone. The comments section was full of debates about whether Mihawk would respect or despise him. If you’re into crack treated seriously, these crossovers are a goldmine.