One idea could be a crossover with the world of Harry Potter. Chrollo could be a dark wizard from a far - off land who comes to Hogwarts to steal some powerful magical artifacts. He could use his Nen abilities in unique ways within the magical world, creating a really interesting dynamic as the students and teachers try to figure out his strange powers.
You should also focus on character development. If you're crossing with the Fullmetal Alchemist world, consider how Chrollo would interact with the Elric brothers. He might see their search for the Philosopher's Stone as something he can use for his own purposes. Start with a small scene that sets the tone, like Chrollo arriving in Amestris and observing the alchemic practices there, and then build the story from that initial encounter.
Another theme is the exploration of their unspoken connection. They have a unique relationship in the original work, and in fanfiction, this is often expanded upon. It could be a connection based on mutual understanding of the harsh world they live in or their shared experiences in the Phantom Troupe. Some stories also play with the idea of a possible romantic undertone, although it's not always the main focus.
One great 'Hunter x Hunter Chrollo Fanfiction' is 'Chrollo's Redemption'. It explores an alternate path for Chrollo where he tries to atone for his past sins. The story has really good character development and the author does an amazing job of getting into Chrollo's psyche.
Well, power dynamics is a common theme too. Since they are in the Hunter x Hunter universe, the fanfictions often play with how their respective powers interact and how that affects their relationship. There's also the theme of identity. They might struggle with their identities as individuals and as brothers in a world full of hunters and powerful foes. And love, not necessarily romantic love but the love between brothers, is also a recurring theme, showing how their love for each other can overcome various obstacles.
One popular 'Machi x Chrollo' fanfiction is 'A Meeting of Minds'. It delves into their complex relationship within the context of the Hunter x Hunter world. The story explores how their different personalities and abilities interact in various situations.
Well, 'Midnight Encounters with Chrollo' is a popular 'chrollo x oc fanfiction'. It's set in a dark, mysterious world where the OC stumbles upon Chrollo during one of his heists. The story is full of suspense and the chemistry between the two characters is well - written. There's also 'Chrollo's New Obsession' which shows a different side of Chrollo through his interactions with the OC.
A prevalent theme is the struggle between good and evil. Kurapika is often seen as a symbol of good, while Chrollo represents evil. Fanfictions play around with this dynamic, sometimes blurring the lines between the two. Also, the theme of trust is common. Given their history, it's interesting to see how fanfiction authors make them build trust in each other, like in a story where they have to rely on each other's skills to survive a dangerous situation which spans over a long journey.
First, you need to create a well - thought - out OC. Give them a distinct personality, backstory, and goals. Then, think about how they would interact with Chrollo. Consider his character traits like his intelligence and leadership in the Phantom Troupe. Start with a strong opening that grabs the reader's attention, maybe a dramatic encounter between the two.
One popular 'Hunter x Hunter Chrollo brother fanfiction' is 'The Brotherhood Unveiled'. It delves deep into the relationship between Chrollo and his brother, exploring their past and how it shaped them. Another interesting one is 'Chrollo's Brotherly Bonds'. It shows how their bond endures through various challenges in the Hunter x Hunter universe.