There could be new characters introduced in this fanfiction. For instance, a time - keeper or a guardian of the wastelands of time. This character could be an ancient wizard or some other magical being with special knowledge about time magic. They could either help or hinder Harry in his journey through the wastelands. Also, we might see some of the antagonists from the original series in new roles, perhaps influenced by the power of the wastelands of time. For example, Malfoy could be forced to team up with Harry due to some time - related threat that affects them both.
Obviously, Harry Potter himself would be a very important character. Since it's a fanfiction based on the Harry Potter series, he would likely be the central figure driving the story forward. Hermione and Ron might also be important as they are Harry's closest friends and usually accompany him in his adventures.
It's also possible that characters from different time periods appear. Maybe some great wizards from the past, like Merlin, could make an appearance in the wastelands of time. They could offer their wisdom or their magical abilities to assist Harry. Or there could be future versions of existing characters, which would add an interesting twist to the story as Harry has to deal with different versions of people he knows and figure out how to interact with them in the context of the wastelands of time.
There might be a mentor - like character who has some knowledge about the time anomalies in the 'wastelands of time fanfiction'. This character could guide the main character through the complex web of time - related problems. They could be an old - timer who has seen many of the strange time events occur and has some wisdom to share.
In some fanfictions with a concept like this, the main plot could revolve around Harry trying to fix something in the past or future that has gone wrong. It could be that the wizarding world is in jeopardy because of a time - related catastrophe, and he has to journey through these wastelands of time to find a solution. For example, perhaps Voldemort has found a way to manipulate time to his advantage, and Harry has to stop him by delving into the mysteries of the wastelands of time.
Obviously, Harry Potter himself is crucial. Then there would be the other Slytherin students like Draco Malfoy. Their relationship could be very different in this fanfiction. Maybe they become allies instead of rivals. There could also be the Slytherin professors who play important roles in guiding Harry as the new 'king' of the house.
Obviously, Harry Potter is the central character. But in this fanfiction, 'life' could be personified as an important character too. It might be some sort of spirit or entity that has a big influence on Harry's upbringing.
Harry Potter himself is surely important. He is the main character and the one going through the 'summer of change'.
In 'harry becomes lord potter at 7 fanfiction', Harry is the main character, but there could be other important characters too. Maybe there are some members of the Potter family's old allies who come forward to help Harry. For example, the Longbottoms could be important as they have a long - standing relationship with the Potters. And then there might be some antagonists, like the Malfoys, who could be envious or try to undermine Harry because of his new title.
Obviously, Harry Potter himself is a central character. Since it's about his bloodline, he will be the one through whom the exploration of the bloodline occurs. Then there might be a new character who is a long - lost relative from the bloodline. This character could be an old wizard or witch with a wealth of knowledge about the family's past and the secrets within the bloodline.
In Harry Potter Voldemort family fanfiction, an important character can be Voldemort's grandfather, Marvolo Gaunt. His actions and the way he treated his family could have far - reaching effects on Voldemort's upbringing and his view of magic. Another character could be a long - lost sister or brother of Voldemort. This character might have been hidden away for some reason and now resurfaces with the intention of either following in Voldemort's footsteps or stopping him. Also, the mothers of Voldemort's followers could be important. They might have some connection to Voldemort's family and play a role in the loyalty of their sons and daughters to Voldemort.
Obviously, Harry Potter himself is a crucial character as he is the master of the elements. His friends like Ron and Hermione are also important as they support him in his journey.
In addition to Harry, Dumbledore could play a crucial role. He might already know about Harry's connection to Oberon and be guiding him in secret. There could also be a new villain, perhaps a dark fae who wants to stop Harry from fulfilling his destiny related to his Oberon descent. And of course, Harry's friends like Hermione and Ron could be involved, helping him figure out this new part of his identity.