What are some interesting plot ideas in 'Harry Potter Dark Prince fanfiction'?

One idea could be that Harry discovers he has some long - lost royal bloodline and as a 'prince' in the wizarding world, he has to learn the ways of courtly magic. He might be given special tasks or responsibilities related to protecting ancient magical artifacts that are only entrusted to those of royal magical blood.

One idea could be exploring how the Dark Mark affects the mental state of those who bear it. For example, it might cause nightmares or hallucinations related to Voldemort's will. Another could be a story about a character trying to hide their Dark Mark from their friends in the Order of Phoenix, creating a lot of internal conflict and secrecy.

One idea could be that Harry discovers a dark secret about his family that leads him down a dark path. For example, he might find out that his ancestors were involved in some really evil magic and he starts to explore that side of magic. Another could be that the influence of Voldemort somehow remains and corrupts Harry's mind over time. Maybe the Horcrux inside him wasn't completely removed and it starts to change his way of thinking.

One idea could be that Harry, influenced by dark magic, forms an uneasy alliance with Voldemort. They could team up to take over the wizarding world in a different way than Voldemort originally planned, perhaps by ruling jointly. Another plot could involve Harry exploring the darker aspects of his own magic and using some of Voldemort's knowledge to do so, which causes a rift between him and his friends.

One idea could be Harry, as a dark necromancer, using his newfound powers to bring back some of the great wizards from the past to learn from them, but the magic has unforeseen consequences like attracting dark entities. Another could be that he's on a quest to revive a loved one, which goes against the natural order of magic in the wizarding world and causes a rift between him and his friends.

One interesting plot idea could be a story where a student discovers a long - lost dark arts spell book in the Forbidden Forest and has to resist the temptation to use the powerful and dangerous spells within it. This could lead to a battle between good and the allure of the dark arts within themselves.

Well, in this fanfiction, the plot might revolve around the Dark Prince's secret plans. He could be plotting to overthrow the existing wizarding order. Harry Potter then gets wind of this and has to find a way to stop him. The story could also show how the Dark Prince recruits followers, and what kind of challenges Harry faces in trying to expose and defeat him. There could be a lot of mystery and intrigue as Harry tries to figure out the true motives of the Dark Prince.

Well, a plot could be centered around Eileen Prince's family secrets. Suppose there were some hidden prophecies or family legacies that she was aware of. In the fanfiction, Harry could accidentally stumble upon these secrets while researching Snape's past. This could lead to a whole new adventure where Harry has to deal with both the revelations about Eileen and the implications for the wizarding world at large.

Perhaps the Demon Prince is actually a long - lost relative of one of the main characters in Harry Potter. This could lead to a complex web of relationships and power struggles within the wizarding world. For example, he might be trying to claim a rightful place in Hogwarts or in the wizarding hierarchy, which would put him at odds with many established characters.

One idea could be the Fae Prince having a secret alliance with Hogwarts against a common dark magic threat. This would bring a whole new dynamic to the wizarding world of Harry Potter.