What could be the main plot ideas in a 'harry potter is a powerful lord fanfiction'?

It could be about Harry Potter discovering a hidden forest in the wizarding world that is ruled by an ancient and powerful being known as the Lord of the Forest. Harry might have to face challenges set by this entity to protect the forest or gain some important knowledge or power from it.

In a 'Harry Potter Lord in Westeros' fanfiction, the plot could center around Harry Potter becoming a lord in Westeros through some magical means. As a lord, he would have to deal with the typical issues like managing his lands, protecting his people, and forming alliances. However, his magic would give him an edge. He could use spells to improve the harvests, defend his castle from invaders more effectively, and even try to bridge the gap between the different houses by using his unique perspective from the wizarding world.

Maybe Harry discovers he has some Uchiha blood. He could then start to develop Sharingan - like powers in the wizarding world. This would completely change his approach to fighting dark wizards as he'd have new abilities.

Maybe a spell goes wrong and causes a character to develop diabetes. The story could then be about how they adapt to this new situation. They might search for a magical cure within the wizarding world, or learn to live with it with the help of their friends, like Hermione using her research skills to find suitable magical remedies or ways to manage it.

Maybe Harry discovers a hidden part of Hogwarts where a Wendigo has been lurking. He has to use his magic skills to either defeat it or find a way to coexist with it.

Perhaps in a 'harry potter yells fanfiction', Harry yells when he discovers that someone has been spreading false rumors about his friends. He could be in the Great Hall, stand up, and yell at the perpetrator, creating a big scene full of drama and conflict within Hogwarts.

One possible plot could be that Harry discovers he has a connection to Lord Peverell, and through some magical event, he ends up in a situation where he has multiple romantic interests or a harem. Maybe it starts with Harry exploring his heritage related to Peverell and as he delves deeper, he attracts the attention of different characters, both from the wizarding world and perhaps some new characters created for this fanfiction. They are all drawn to him because of his new - found connection to Peverell and his unique magic.

Well, it could be that Harry Potter, being adopted by the vampires led by Lord Vampires, has to adapt to their nocturnal lifestyle. He might learn special vampire skills like super speed or mind - reading among them. And there could be a struggle as he tries to balance his wizarding world values with the new vampire - centric ones.

In a 'Harry Potter Lord of Many Houses' fanfiction, it might involve a time - travel element. A character from the future goes back in time and becomes the lord of many houses. They use their knowledge of future events to make changes in the houses. They could reform the house systems, introduce new magical teachings, and change the way the houses interact with each other, all while facing resistance from traditionalists within the wizarding community.

One interesting plot idea could be the Shadow Lord being an ancient and forgotten dark wizard who is awakened in modern times in the Harry Potter world. He might start to gather dark forces secretly, and Harry and his friends have to figure out who this new threat is before it's too late.