Well, one possibility is that Harry's son has to go on a quest to find a lost magical artifact that is crucial for the safety of the wizarding world. Along the way, he could make new friends from different houses, and they would all work together. His relationship with his family, especially how he interacts with Harry as his father, would also be an important part of the story. For example, Harry could be overprotective, and his son would have to prove himself.
In a Harry Potter has a son fanfiction, the plot could involve the son inheriting his father's magical abilities and facing new threats at Hogwarts. Maybe he discovers a hidden chamber that holds a powerful and dangerous magic. He might also have to deal with the pressure of being Harry Potter's son, with everyone having high expectations of him.
Well, one way could be through a magical accident. Maybe a spell gone wrong during a battle or some kind of experiment that binds their magic in an unexpected way, leading to the creation of a child. It could also be a result of a forced situation by a dark force that wants to see the two rival families united in a very strange way.
Well, one possibility could be that Harry has some sort of angelic powers inherited from Castiel. He might use these powers to fight Voldemort in ways that are different from the original story. For example, he could heal the injured more effectively during the battles.
Well, perhaps the plot could involve Harry discovering his Titan heritage and having to deal with new powers. He might struggle to balance his wizarding world life with this new Titan side. Maybe he has to face enemies that are both from the wizarding world and related to his Titan lineage.
Well, one possibility could be that Harry discovers his true parentage as Sauron's son in a very shocking way. Maybe through some dark magic revelation. Then he might struggle with his identity, being a part of the wizarding world that he loves but also having this dark connection. He could face a lot of inner turmoil as he tries to decide whether to embrace his dark heritage or fight against it.
In this fanfiction, perhaps Harry's identity as the Joker's son makes him an outcast in the wizarding world. The story could revolve around him trying to prove that he's not just a product of his 'father's' evil. He could use his Joker - like cunning and unpredictability to outwit his enemies in Hogwarts, who might be prejudiced against him due to his strange heritage.
Well, it could be about Harry having the chaotic and unpredictable nature of the Joker as his 'father' in this fanfic world. Maybe he uses some of the Joker's unorthodox tactics in the wizarding world, causing a stir among the witches and wizards. He might have a very different approach to dealing with Voldemort compared to the original story.
In this fanfiction, the plot could be that Harry discovers his true parentage as the son of Dionysus later in his Hogwarts years. This revelation could send shockwaves through the wizarding community. His relationship with his friends, like Ron and Hermione, could be tested as they try to understand this new aspect of Harry. He may also be drawn into a mystery related to the ancient Greek magic that his father represents, and he has to travel to different places, both in the wizarding world and perhaps even to the remnants of the ancient Greek magical sites, to uncover the truth about his powers and his role in the grand scheme of things.
Well, perhaps Harry could inherit some of Hercules' super strength. He might use it to fight Voldemort in a more physical way, like being able to lift and throw large objects at the Death Eaters. It could also add an interesting dynamic to his relationship with his friends, as they might be both in awe and a bit intimidated by his newfound power.
One possible plot could be that Harry discovers his connection to Nightwing in a mysterious way. Maybe he starts having strange dreams or finds an old artifact that reveals the truth. Then he has to learn to balance his wizarding world life with this newfound heritage related to Nightwing, which could bring in new powers and a whole new set of challenges.
In the 'Harry Potter Son of Azazel' fanfiction, perhaps the plot revolves around a prophecy related to Harry being the son of Azazel. This could lead to a whole new adventure where he has to find out more about his heritage. There might be battles against dark forces that are interested in using Harry's connection to Azazel for their own evil purposes. And Harry would have to figure out how to use this new knowledge to his advantage without succumbing to the dark side.