One interesting plotline could be Harry's journey to collect different rare dolls. Maybe he starts from a small local store and then travels around the world in search of unique dolls for his collection.
One interesting plotline could be about a character trying to break the curse of the Tails Doll. They might embark on a journey to find ancient artifacts or consult with wise sages to figure out the origin and solution to the curse.
One possible plotline could be that Harry uses his doll - making skills to create enchanted dolls that can act as spies. These dolls could infiltrate the Death Eaters' lairs and gather information for the Order of the Phoenix.
In some fanfictions, Doll might have a change of heart about Ciel after seeing his vulnerability. For example, she could find out about his past traumas and decide to protect him instead of being on the opposite side as her circus troupe was initially. This could lead to a complex relationship development between them.
Well, it's a rather strange concept. Harry Potter and Annabelle doll come from two very different fictional universes. The Harry Potter series is about magic, wizards, and a battle between good and evil in a wizarding world. While Annabelle is a horror - related doll. Combining them in fanfiction might seem odd but could potentially be interesting if the writer can find a creative way to blend the magic and horror elements.
One possible interesting plotline could be Harry's interactions with the Greengrass family. Maybe he forms an unexpected friendship with Daphne Greengrass and through her, gets involved in the complex politics of the pure - blood families in the wizarding world.
One possible plotline could be how Harry's dictatorial rule affects the wizarding society. Maybe he starts imposing strict laws on magic use, which could lead to a rebellion by some wizards who value freedom.
One interesting plotline could be Harry's journey to master different sword techniques. Maybe he discovers ancient sword-fighting styles and has to train hard to master them, facing challenges like difficult instructors or scarce resources.
Another plotline might involve Harry inheriting a hidden magical ability from an ancestor. He then has to learn how to control and master this new power while dealing with the challenges it brings, like the envy of some of his classmates and the interest of dark wizards.
One interesting plotline could be exploring Dumbledore's younger years through Harry's eyes. Maybe Harry discovers some old memories of Dumbledore's adventures as a young wizard, and it helps him understand Dumbledore better. This could also show how Dumbledore's past experiences shaped his decisions in dealing with Harry and the fight against Voldemort.
One possible plotline could be Harry's struggle to control his new succubus powers. For example, he might have to deal with the sudden urge to feed on energy in inappropriate situations. Another could be how he hides his true nature from his friends at Hogwarts, like Hermione and Ron, while still trying to figure out what it means to be a succubus in the wizarding world.