One possible plotline could be Harry using his shadow clones to outwit Voldemort. For example, he could send the clones to different locations to mislead the Death Eaters while he sneaks into a secret lair to find a powerful artifact to defeat Voldemort.
There could also be some original characters created specifically for this fanfiction. For instance, a mysterious wizard who has some knowledge about shadow clones and helps Harry understand and master this unique magic. Or perhaps a new student at Hogwarts who has a special connection to the shadow clones, either helping or hindering Harry in his journey with them.
Some fanfictions might have a plotline where the shadow monarch powers are linked to an ancient magic in the Harry Potter world. Maybe it was a power that was once known but lost, and now it's resurfacing through the main character. This could lead to a search for the origin of these powers, uncovering long - forgotten secrets of the wizarding world and changing the power dynamics between the good and the bad in the fight against Voldemort.
One interesting plotline could be a character discovering a new form of shadow magic that has been long forgotten in the wizarding world. This could lead to a race against time to master it before the dark forces do.
Well, in some 'Harry Potter clones fanfiction', the clones might be created by dark magic gone wrong. There could be a story where a clone of Harry is sent back in time and has to deal with the founders of Hogwarts. This could bring in a whole new dynamic as the clone tries to fit into a world that is so different from what he knew, while also trying not to disrupt the timeline too much.
In some fanfictions, the Horntail and Harry might have a telepathic connection. This allows Harry to understand the dragon's thoughts and motives, and they work together to uncover secrets in the wizarding world. For example, they might find a hidden chamber that holds a powerful magic item that could change the course of the war against Voldemort.
One possible plotline could be Harry using his Sans powers to avoid danger in the wizarding world. For example, he might use teleportation abilities similar to Sans to quickly escape from Death Eaters. Another could be him using his powers in Hogwarts challenges, like getting through mazes or solving puzzles with his special skills.
One interesting plotline could be the little sister discovering she has her own unique magical abilities that are different from Harry's. For example, she might be able to communicate with magical creatures in a way no one else can.
One possible plotline could be Harry having to find creative ways to get by without money. For example, he might barter his magical skills for goods and services. He could offer to help with spellcasting in exchange for food or school supplies.
One possible plotline could be the discovery of the secret child and how it affects Harry's relationships with his friends and family. For example, Hermione and Ron might be shocked at first but then become supportive. Another could be the challenges the child faces growing up in the wizarding world with this secret hanging over them.
One possible plotline could be how Harry deals with the different parenting styles of his two fathers. For example, one might be strict about magic studies while the other is more lenient, creating a dynamic where Harry has to navigate between them.