Well, it could involve Fem Harry Potter joining a crew of magical pirates. She would bring her unique wizarding skills to the group, such as using her wand to fend off sea monsters that normal pirates couldn't handle. Maybe she'd be on a quest to find a magical pirate treasure that only she, with her knowledge of magic, could unlock.
Perhaps it could be about Fem Harry Potter being inspired by pirates and going on adventures on the high seas. She might use magic in pirate - like ways, like using spells to control the winds for her pirate ship.
The plot might be centered around Fem Harry Potter's fascination with pirate culture. She could start dressing like a pirate and incorporate pirate - style rules and ethics into her own magical world. For example, she could form a group of like - minded friends who also admire pirates and together they could create a new form of magic that is a blend of wizardry and pirate lore. They might face opposition from the traditional wizarding world who don't understand their new ways, but Fem Harry Potter would be determined to continue exploring this new pirate - inspired magical path.