She could be an ancient and powerful witch from a long - forgotten wizarding family. Maybe she was cursed and turned into the 'Lady in Black' and now she's trying to break the curse while getting involved in Harry's adventures.
The Dark Lady could be an ancient witch who was once a powerful figure but was banished for her dark practices. Maybe she was a rival of one of the great wizards in the past and now she's back to seek revenge.
It could be an original character created by the fanfiction writer. A witch who has been in the shadows for a long time, biding her time to rise to power.
She could be an original character created by the fanfiction author. Maybe a witch who was secretly trained by a dark wizard but has a change of heart when she meets Harry.
It could be Sirius Black's younger sister who was not mentioned in the original series but is created for the fanfiction. She might have similar rebellious traits as Sirius but also her own unique charm that attracts Harry.
The Dark Lady in Harry Potter fanfiction could be a variety of things. It could be a long - lost relative of a major character who has turned to the dark side. For example, she could be a distant cousin of the Malfoys who has her own agenda in the wizarding world that involves dark magic. She might also be an entirely new creation who fills a role that wasn't explored much in the original series, such as a female dark wizard who challenges Harry and his friends in ways different from Voldemort.
One great fem Harry Potter Lady Black fanfiction is 'The Black Heir'. It has an interesting take on a female Harry being related to the Black family. The story is full of mystery and adventure as she discovers her heritage within the Black family and the wizarding world.
Well, in a lot of Harry Potter fanfiction, the Lady Black character can be a very complex figure. She could be a character who is trying to redeem the Black family name, which has been associated with the Dark Arts in the original series. For example, she might be working secretly to oppose Voldemort while also dealing with the prejudices within the wizarding society towards her family. This adds a new layer of depth to the story and can explore themes like family, redemption, and the nature of good and evil.
The Death Eaters could still be the main antagonists. Even though Harry has this new connection to Lady Magic, the Death Eaters, loyal to Voldemort, would see him as a major threat to their dark plans and would continue to try to kill him.
The main antagonist could be an old, corrupt house - elf. This house - elf was mistreated in the past at Hogwarts and has now turned to the dark side. It wants to bring chaos to Hogwarts and sees Lady Hogwarts as the key. It uses its knowledge of the school's hidden passages and secrets to plot against her. Harry Potter, being the defender of the underdog, tries to reason with the house - elf at first but when that fails, he has to use magic to stop it from harming Lady Hogwarts.
The older lady might be a former Hogwarts teacher who retired long ago. She could have taught one of Harry's parents or even a dark wizard in the past. Her experience and knowledge could be either a great help or a potential danger to Harry depending on her past associations.