Harry Potter: UnderWorld Relics
Luca Vale doesn’t get a heroic rebirth. He gets a rotting little house, a broke family the wizarding world pretends doesn’t exist, and a childhood where being quiet isn’t a personality trait—it’s survival.
The twist? Luca isn’t really a child. Not on the inside.
He’s a reincarnated criminal mastermind, stuck in a four-year-old body with the patience of a predator and the self-control of someone who’s already learned what mistakes cost. He knows this world. Names. Bloodlines. future scandals. The “canon.” Enough to treat fate like a ledger and rewrite it in his favor—slowly, cleanly, without anyone noticing.
And it works. At first.
Then Luca grows up. The stakes grow with him. The home stops being the whole world and becomes the first cage. School, politics, old families with sharp smiles, and secrets that smell like something buried wrong. Every smart move Luca makes creates ripples. Small changes stack. People react “wrong.” Events shift. The butterfly effect turns from theory into a knife pressed to his throat.
His knowledge is still an advantage… until it becomes a map to a future that no longer exists.
Because someone else is moving pieces too.
And Luca isn’t the only one who knows how to play dirty.
Alright. Here’s the deal.
Yes, Luca is OP from the start. Not because he’s firing spells like a machine gun—because his brain is a loaded weapon. He’s a grown man with a criminal mindset in a kid’s body, and he treats the wizarding world like a rigged casino he intends to rob.
Also: no, he doesn’t stay four years old forever. This isn’t “toddler arc for 300 chapters.” He grows. The story evolves. The games get bigger, meaner, and way harder to control once he’s old enough to be noticed—and once his “I know canon” advantage starts collapsing under the butterfly effect.
And before you ask: some important stuff about Luca stays hidden early on. If you came here expecting every card flipped in chapter 1, I’m going to disappoint you on purpose. Suspense is the point. Addiction is the goal. You’re welcome.
Drop your theories. Roast me lovingly. And if you like morally gray masterminds doing quiet damage… yeah. You’re stuck with me now.
Warnings / What to Expect:
- OP MC (strategically). He wins with manipulation, observation, leverage, and patience.
- Dark tone: violence, cruelty, consequences. No cozy magic tour.
- Slow-burn tension early, then escalation as Luca grows and the board expands.
- Butterfly effect is real: canon breaks, plans fail, and “knowledge” turns unreliable.
- Minimal romance. No harem. Focus is thriller, secrets, and survival.
Disclaimer:
I do not own Harry Potter or any of its characters, locations, or original worldbuilding elements. All rights belong to J.K. Rowling and the respective rights holders. This is a non-profit fanfiction written purely for entertainment. Any original characters, plotlines, and additions are my own.