Well, Harry Potter would likely still be one of the main characters. He might be the one who discovers the significance of the Shield. Hermione Granger could also be a main character, using her intelligence to figure out how the Shield fits into the overall story. Ron Weasley too, as he's always by Harry's side in adventures.
Sirius Black could also be considered a main character in relation to this fanfiction. Since the story is related to the Prisoner of Azkaban, his presence and his connection to the events that are being affected by the Shield would make him an important part of the story. His pursuit of freedom and the truth could be intertwined with the mystery of the Shield.
In addition to the trio, there could be an original character created specifically for this fanfiction. This character might be the one who has been guarding the Shield for generations in their family. They would play a crucial role in guiding Harry and his friends in understanding the power and purpose of the Shield within the context of the Prisoner of Azkaban events.
Obviously, Harry Potter would be one of the main characters. And from the SHIELD side, it could be characters like Nick Fury. He's the kind of guy who would be interested in someone like Harry Potter with such unique abilities.
The main characters in the 'Harry Potter Prisoner of Azkaban' full story include Harry Potter, a young wizard who is facing new challenges in his third year at Hogwarts. Ron Weasley, his red - haired and humorous best friend, and Hermione Granger, the intelligent and studious one. Sirius Black, an escaped prisoner from Azkaban with a mysterious connection to Harry. Professor Lupin, who has his own secrets related to being a werewolf. These characters interact in a world filled with magic, mystery, and danger. Their relationships and actions drive the plot forward, from the fear of Sirius Black to the revelations about his true identity and the use of time - turners to change the course of events.
Harry Potter himself is often a main character. Since the fanfiction is related to the Harry Potter universe, he might be on a new adventure involving his wand and a special shield. Hermione Granger could also be a key figure, using her intelligence to study the properties of wands and shields. Ron Weasley might be there too, providing his loyalty and sometimes comic relief as they face challenges related to these magical items.
One interesting plot idea could be a new character being introduced who has a special connection to the Shield in the story. Maybe this character has the power to enhance the Shield's abilities and uses it to protect Hogwarts in a different way than expected.
Naofumi from 'Shield Hero' is often quite popular as he brings his own set of skills and experiences into the crossover. Harry Potter himself is also a common focus, as his magical abilities and hero status make him an interesting addition to any story. Hermione is another popular character. Her intelligence and knowledge of magic can be a great asset in the combined world of 'Harry Potter' and 'Shield Hero' fanfiction.
One popular original character is often a new student who has some special ability related to divination. This character can add new elements to the story, like predicting things about Sirius Black that no one else can.
Definitely Firenze. He made an appearance in this book, but in fanfiction, he could be more involved. Since he has unique insights as a centaur, he could play a key role in helping Harry understand the prophecies or the true nature of the events related to Sirius. Also, consider Madam Pomfrey. She's often overlooked, but she could be a great source of knowledge about past students and events at Hogwarts that might be relevant to the situation with Sirius.
The Death Eaters could also be major villains. They might team up with some anti - SHIELD groups in the muggle world. The Death Eaters' dark magic combined with the muggle - world weaponry of these groups could pose a serious threat to both the wizarding and muggle worlds that Harry and SHIELD have to stop.
Some fanfics introduce a new character, a seer who can see not just the future but also alternate timelines. This character is unique as they can provide insights that no one else can, and often their visions drive the plot forward in unexpected ways.
Harry Potter and the Prisoner of Azkaban was a fantasy novel written by K Rowling in England. It told the story of Harry Potter's parents being killed by the evil dark wizard Voldemort. After being adopted by an orphanage, Harry studied magic at Hogwarts School of Witchcraft and Wizardry and defeated Voldemort with his good friend Hermione.