Another plot could involve the sister having a different kind of magic than what is commonly seen in the series. She might possess an ancient form of magic that was thought to be lost. This could put her in a position where she has to not only protect Harry but also keep her unique magic a secret from those who might misuse it. Like, she could be hunted by dark wizards who want to harness her power for their own evil purposes.
She could also play a role in the backstory of Harry's parents. Perhaps she was involved in their relationship in some way. Maybe she was the one who introduced James and Lily, or she had some sort of premonition about their future together. This would add a whole new layer to the story and give more depth to the relationship between the characters.
One possible plot could be that the older sister is a powerful witch who has been secretly protecting Harry all along. Maybe she has her own network of allies within the wizarding world that she uses to keep an eye on him. For example, she could be in contact with some of the more reclusive magical creatures who provide her with information about Voldemort's movements.
Well, in some of these fanfictions, the sister Lemon might be a new character introduced into the wizarding world. She could have special powers or a unique backstory that intertwines with Harry Potter's adventures. For example, she might help Harry solve a mystery at Hogwarts that the original characters overlooked.
One interesting plot could be the twin sister having a special magical ability that Harry doesn't. For example, she might be able to communicate with magical creatures in a way no one else can. This could lead to her helping Harry in his adventures in a unique way, like getting help from a phoenix or a centaur when they are in a tough situation.
One possible plot could be that the older girlfriend is a powerful witch who has been in the wizarding world for a long time. She helps Harry Potter understand some of the more complex and hidden aspects of magic that he didn't learn at Hogwarts. For example, she might introduce him to ancient spells or secret magical societies.
One interesting plot could be that the long - lost sister has unique magical abilities that even Harry doesn't possess. For example, she might be able to communicate with magical creatures in a way no one else can. This could lead to her helping Harry in his adventures against Voldemort by getting the support of powerful magical beasts.
There could be various storylines involving Heather as an older sister in Harry Potter fanfiction. Maybe she's a Gryffindor like Harry and helps him out in his adventures, or she could be a Slytherin with her own complex motives.
In some Harry Potter 8 fanfictions, there are plots where the characters continue to face new dark magic threats. For example, a new dark wizard might emerge, and Harry, Hermione and Ron have to use their combined skills and knowledge to defeat this new foe. Another plot could be about the exploration of the wizarding world's past in more depth, revealing secrets that were previously unknown.
One interesting plot could be about the Potter family's hidden secrets being unearthed. Maybe there are ancient spells or prophecies related to them that no one knew before. Another could be a story where the Potter family has to face a new and powerful dark force that is specifically targeting them due to their legacy. And a third plot might involve time - traveling within the Potter family's history to correct past mistakes or learn from them.
Another great one could be 'A Potter Sister's Tale'. Fanfictions like this may explore how the existence of an older sister would impact the overall Potter family dynamic. She might have memories of their parents that she shares with Harry, which could give him a different perspective on his family and his place in the wizarding world.
One plot could be Naruto protecting his little sister from the threats that still lurk in the ninja world. Since he has grown older and more experienced, he uses his skills to keep her safe.
In some fanfictions, there are plots that explore the backstories of the less - known characters in the Harry Potter and Legacies universe. For example, a story might focus on the family history of a minor wizarding family and how their actions impact the events at Hogwarts in the present day. It could involve long - lost family secrets, old feuds, and unexpected alliances.