In the 'Harry Potter son of Lady Magic' fanfiction, it could be that Harry's connection to Lady Magic makes him a target. Dark forces might see his special status as a threat and try to eliminate him. Harry would then have to rely on his friends and his own inner strength, as well as the magic bestowed upon him by his relation to Lady Magic, to survive and defeat those who oppose him.
One possible plot could be that Harry discovers his unique connection to Lady Magic early on. This newfound knowledge gives him even greater power and a different perspective on his battles against Voldemort. He might be able to access magic in ways that others can't, and use it to protect his friends more effectively.
The Death Eaters could still be the main antagonists. Even though Harry has this new connection to Lady Magic, the Death Eaters, loyal to Voldemort, would see him as a major threat to their dark plans and would continue to try to kill him.
In such a fanfiction, perhaps Harry would grow up with a different kind of magic. Lady Magic could endow him with unique powers. He might have a more in - depth understanding of magic from a very young age, and his relationship with the magical world could be more profound than in the original story.
One possible plot could be that Lady Death is somehow drawn to the wizarding world due to the large amount of magic. She begins to target certain wizards, believing their powerful magic should be extinguished. Harry, being the hero, tries to stop her and in the process discovers a deeper connection between the magic in his world and the concept of death that Lady Death represents.
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.