Finding a particular 'Harry Potter has black madness' fanfiction can be quite a task. Fanfiction writers often come up with very diverse ideas. Some might focus on a dark turn in Harry's character due to some form of black magic influence that could be related to this 'black madness'. You might have to dig through a lot of fan - created works on various platforms. It could also be that this is a very niche or even new concept in the fanfiction world, so there might not be a huge number of such works readily available.
I'm not entirely sure specifically which fanfictions with this 'Harry Potter has black madness' theme are really well - known. However, in general, fanfictions often explore unique and sometimes dark interpretations of the original story. You could start by looking in large fanfiction archives like Archive of Our Own and search for relevant tags or keywords.
Typically, they might start with an event that triggers this 'black madness' in Harry. For example, it could be a botched spell or a malevolent encounter. Then the plot would likely revolve around how Harry deals with this new, dark part of himself. Maybe he tries to hide it from his friends at first.
One popular Asia - raised Harry Potter fanfiction could be those that incorporate Asian magical cultures. For example, some might blend in elements of Japanese yokai or Chinese mythology into the wizarding world of Harry Potter. They could introduce new spells inspired by Asian languages or create characters with Asian heritage who bring unique perspectives to Hogwarts. Another type could be fanfictions that explore how Asian values, like respect for elders or strong family bonds, interact with the Western - based magical society in the Potterverse.
There's also 'Unleashing the Hidden Magic' which focuses on Harry's journey to remove the blocks of magic with the help of some ancient artifacts. The story delves deep into the lore of the Harry Potter universe and how these artifacts are related to magic blocks. It's really interesting as it shows Harry's growth not just in magic but also in his understanding of the wizarding world.
There might be a fanfiction where Harry Potter teams up with a member of the Black family, like Sirius Black if he were still alive in the story. They could go on an adventure to uncover a mystery that is related to both the Potter and Black family legacies. For example, they might find a hidden artifact that was once owned by an ancestor common to both families and has the power to change the fate of the wizarding world.
I'm not entirely sure as it's a rather specific and perhaps not a widely known fanfiction. But it might explore a new take on Harry Potter's character, perhaps giving him the form or traits of a black wolf in a unique magical world setting.
One interesting 'Harry Potter Black Flag' fanfiction could be one that combines the magical world of Harry Potter with the pirate - themed elements of Black Flag. Maybe it has Harry and his friends going on a magical pirate adventure, sailing on enchanted ships and using magic to battle sea monsters.
A great fanfiction about the Black family is 'The Lost Heirs of Black'. It focuses on some long - lost descendants of the Black family who return to Hogwarts. Their arrival stirs up old rivalries and also uncovers some ancient magic that was thought to be lost. The story weaves a complex plot around these new characters and their connection to the Black family heritage.
One interesting fanfiction could be about Sirius Black secretly training Harry Potter in advanced magic during his time at Hogwarts. This would add a whole new dimension to their relationship and Harry's growth as a wizard.
There are fanfictions that explore Bellatrix's past and her relationship with the Black family in the context of Harry Potter. For example, a story might delve into her time at Hogwarts, her early indoctrination into the Dark Arts, and how that influenced her actions in the main series. This could provide a deeper understanding of her character and how she became so fanatically devoted to Voldemort. It might also show how her actions affected the wider wizarding world in ways that weren't fully explored in the original books.
A great 'Harry Potter Lady Black' fanfiction might be one that delves into her relationship with the family house - 12 Grimmauld Place. It could show how she has a special connection to the house, perhaps through some long - forgotten family magic, and how she uses this connection to protect the family secrets within the house, even from other members of the Black family.