What could be a possible plot for a 'Harry Potter Yautja' fanfiction?

One possible plot could be that the Yautja King somehow gets transported to the Harry Potter universe. Maybe he's initially seen as a threat but then forms an alliance with Harry and his friends against a common dark enemy, like Voldemort. The Yautja King could bring his unique combat skills and advanced technology to the fight.

A possible plot could be that a Smilodon escapes from a magical menagerie in the Forbidden Forest. Harry and his friends discover it and try to return it safely without getting hurt or getting in trouble with the Hogwarts authorities.

Perhaps Harry could be a wizard - geisha hybrid. He might use his magic to enhance the traditional geisha arts, like creating magical illusions during his performances. He could be in a Hogwarts - like school but also trained in the ways of the geisha, with spells and potions being used in the context of geisha traditions.

Well, one possible plot could be that Orochimaru somehow finds his way into the Harry Potter universe. He might be interested in the unique magic there, like the Elder Wand or the Philosopher's Stone. He could try to use his ninja skills and devious ways to steal these powerful magical items, and Harry and his friends would have to stop him using their own magic.

In this 'harry potter math fanfiction', it might also be that there is a new subject in Hogwarts called 'Magical Math'. The teachers could be magical creatures who are experts in both magic and math. The students would have to learn things like how to use equations to create spells or use geometric shapes to build magical structures. And there could be a big competition where the students use their math skills to win a great prize, like a magical artifact that can enhance their magic power.

A possible plot could be Morgoth's return in a weakened form in the Forbidden Forest. His presence starts to corrupt the magical creatures there. Harry and his friends sense the disturbance and go to investigate. They soon realize it's a much greater threat than they thought and must find a way to either banish Morgoth back to his realm or destroy his essence completely.

Well, perhaps in this fanfiction, Harry Potter uses his magical skills in the context of auditing. He could use spells to detect financial irregularities, like a magical version of auditing software. For example, he might cast a spell that reveals hidden transactions in a company's books.

One possible plot could be that Harry and Ginny go to a secluded wizarding cottage by the sea. They spend their days exploring the nearby magical creatures and hidden coves. At night, they sit by the fireplace and share stories from their Hogwarts days, strengthening their bond even more.

One possibility is that the 'Cats in the Cradle' is a metaphorical title. The cats could represent the innocence or the unnoticed aspects of the wizarding world. The cradle might symbolize the origin or the starting point of a new era in the Harry Potter universe. The fanfiction could then explore how these elements interact and change the course of the story. It could be about a new discovery related to the founding of Hogwarts or a new kind of magic that is associated with these cats and the cradle.

The plot could revolve around a hidden blade that was created by a powerful and forgotten wizard. In the fanfiction, the blade has the power to control certain magical elements. A group of dark wizards wants to get their hands on it to use it for evil purposes. Harry Potter accidentally stumbles upon information about the blade and starts his own investigation. Along the way, he meets some new allies who are also interested in protecting the blade. Together, they must face many challenges, including duels with the dark wizards, to keep the blade safe and use its power to bring peace to the wizarding world.