Well, a possible plotline is that Harry discovers his true parentage and has to deal with the shock. He may then be hunted by those who fear the power he could inherit from Hades. In the fanfiction, there could be a part where Harry goes to the underworld to learn about his heritage. He meets various underworld creatures and has to prove himself worthy to them. And his friends in the wizarding world might be very confused and some might even turn against him when they find out who his father really is.
One interesting plotline could be Harry's struggle with his new identity. Since Hades is the god of the underworld, Harry might face discrimination or fear from others in the magical world. He could also have unique powers related to death and the underworld, like being able to communicate with the dead more easily. Another plotline could involve his relationship with his father Hades. Hades might try to groom Harry to take over some of his underworld duties, while Harry is conflicted because he also has a life in the wizarding world he doesn't want to abandon.
Well, a possible plotline is Harry dealing with his father Hades' expectations. Hades might want Harry to take on certain roles in the Underworld, like ruling over a particular section or managing the souls in a new way. This could create conflict with Harry's own desires to be a normal wizard or at least have a life in the wizarding world. Also, there could be a plot where Harry discovers ancient secrets about his family that link the wizarding and underworld families in ways no one expected, leading to all kinds of adventures and revelations.
One interesting plotline could be Percy adjusting to the Underworld. He might have to learn new rules and customs, like how to interact with the various spirits and creatures there. Another could be Hades trying to train Percy in unique ways, perhaps teaching him powers related to the Underworld that he didn't have before.
One possible plotline could be how Harry, as the son of Deadpool, inherits his father's unorthodox combat style and uses it in the wizarding world. For example, he might combine magic with Deadpool's acrobatic and unpredictable fighting moves.
One possible plotline could be Harry exploring his newfound connection to Thanatos. Maybe he discovers powers related to death and the afterlife that are unique to being the son of Thanatos. For example, he might be able to communicate with the dead in a more profound way than using a Resurrection Stone.
One possible plotline could be Harry's struggle with his dual heritage. He has to deal with the wizarding world of Harry Potter and the Norse mythology world of Loki. For example, he might face challenges in learning magic in a way that combines both magical systems. Another plotline could involve his relationships with other characters. Since he is the son of Loki, he might have a more complex and devious side to his personality, which could create interesting dynamics with his friends like Hermione and Ron. They might be initially suspicious of his motives at times.
One possible plotline could be Harry's internal struggle with his heritage. Since Grindelwald was a dark wizard, Harry might battle with the idea of having such a connection. He could face prejudice from the wizarding world while also trying to understand if there are any redeeming qualities in Grindelwald's ideology that might be passed on to him.
One interesting plotline could be how Harry discovers his new 'Son of Fate' identity and the powers that come with it. Maybe he has an even deeper connection to the magical world's origin.
One interesting plotline could be Harry exploring his new powers as the son of Hypnos. Maybe he can use sleep - related magic in unique ways, like putting his enemies into a deep slumber during battles.
Well, in this fanfiction, a great plotline could be Harry's training. Since he's the son of Thor, he might have to undergo special training in Asgardian combat and magic. This could lead to some really cool scenes where he combines his wizarding skills with his Asgardian strength. Also, there could be a plot where he has to prove himself worthy to both the wizarding world and Asgard, which would create a lot of internal and external conflicts for him.
Well, perhaps a plotline where Harry has to use his Pegasus - related powers to save Hogwarts from a new and mysterious threat. Since he is the son of Pegasus, he might have the ability to fly faster and more gracefully than on a normal broomstick, allowing him to reach places quickly and perform daring rescues. Also, his connection to Pegasus could lead to new magical creatures being introduced into the story, like more mythical flying beasts that he can befriend or control.