One possible plotline could be that Harry discovers a way to communicate with Death as an entity. Maybe he stumbles upon an ancient magic that allows him to have conversations with Death. Through these interactions, he gains a deeper understanding of life and death, and this new knowledge helps him in his battles against Voldemort. For example, Death could give him insights into the Horcruxes and how to destroy them more effectively.
Another plotline might involve Harry learning ancient goblin magic from his new friends. This could give him an edge in battles against the Dark Arts, as it's a type of magic not commonly known in the wizarding world. He could then share some of his own wizarding knowledge in return, strengthening the bond between them.
One interesting plotline could be a deeper exploration of the Hallows' true powers. Maybe the characters discover new ways to use the Elder Wand, Resurrection Stone, and Invisibility Cloak that J.K. Rowling didn't fully explore in the original series. Another could be a different take on the final battle against Voldemort, with the Hallows playing a more complex role.
In the fanfiction, it could be that Harry's friendship with Death is a secret known only to a few. He has to hide it from most of the wizarding world because they would not understand. This secrecy could add a lot of tension to the story. For instance, when strange things start to happen around Harry, like people seeing shadowy figures or experiencing unexplained chills, some might suspect dark magic. But in reality, it's just a side - effect of his connection with Death. Harry would have to struggle to keep his friendship a secret while also using the knowledge he gains from Death to protect his friends and the wizarding world.
A possible plotline could be the apprentice's journey to understand the true nature of death. In the fanfiction, they could be on a quest to find out the secrets behind the veil in the Department of Mysteries. Along the way, they encounter various challenges and make new allies, all while trying to master their role as the apprentice of death.
One interesting plotline could be Harry fully exploring and mastering the powers that come with being the Master of Death. He might use these powers to reshape the wizarding world in ways that were not possible before, like eradicating dark magic at its source.
One possible plot could be that Harry discovers the snake has some special magical abilities that are unknown to most wizards. For example, it can lead him to hidden magical artifacts. Another plot might involve the snake helping Harry understand Parseltongue better and use it in unexpected ways to solve mysteries at Hogwarts.
One plotline could be a Death Eater who was forced into Voldemort's service but secretly despises him. This Death Eater could start helping Harry by providing him with inside information about Voldemort's defenses. For example, they could tell Harry about the secret passages in the Death Eaters' lair.
One possible plotline could be Harry exploring the full extent of his newfound power as the Master of Death. He might use it to bring back loved ones in a way that doesn't disrupt the balance of the wizarding world. Another could be that he faces new and more powerful enemies who are threatened by his status.
One interesting plotline could be the transformation of a character into Death's Knight and how they struggle with the new powers and the dark nature it might bring. For example, they might have to fight against their own former friends who now see them as a threat.
One interesting plotline could be Harry fully exploring and mastering the powers that come with being the Master of Death. He might use these newfound abilities to reshape the wizarding world, like eliminating dark magic at its roots.