The teachers, such as Professor McGonagall or Professor Snape, would most likely be involved. McGonagall could be the one administering the test, while Snape might be observing with his usual critical eye. Also, other students in his year could be taking the test alongside Harry. They could be either competing with him or collaborating in some parts of the test. This would add an element of drama and friendship or rivalry to the fanfic.
Dumbledore could be involved too. He often has a deeper understanding of things in the wizarding world. He might be the one who arranges the heritage test for Harry, or at least be aware of it and offer his wisdom and guidance. Also, some of Harry's professors could be involved. For example, Professor McGonagall might be curious about the results and how it could affect Harry's performance in school. And, there could be some characters from Harry's family's past that make an appearance, either as memories or some sort of spectral form during the test.
Hermione could be there. She's always around to support Harry and might be observing the ability test.
Hermione would probably be there. She might be helping Harry prepare for the test, giving him tips on how to answer different types of magical questions. Another could be Ron, providing moral support and some comic relief during the tense time of the test.
Hermione could be with him. She would probably be there to offer moral support and maybe even use her vast knowledge to understand the blood test better.
Harry and Ron are likely to be involved. They are her closest friends, and they would surely be there for her during such an important event. They might offer moral support or even help her solve some of the problems related to the test.
In the 'Harry takes an ability test fanfic', it could be that Harry struggles with certain parts of the test, but then overcomes his difficulties and surprises everyone with his performance. For example, he might initially seem to be failing at a task related to divination, but then has a sudden insight and aces it. This could lead to him getting special attention from his teachers or even making new friends among his classmates who are impressed by his newfound skills.
In the 'harry takes ability test fanfic', it's likely that Harry enters the test with a mix of nerves and excitement. The test could be designed in a way that not only assesses his current abilities but also his potential for growth. There may be different sections to the test, each focusing on a different aspect of magic. For example, one part could be about combat magic, where Harry has to face off against magically - created opponents. Another part might be about his knowledge of ancient magic, which he may have learned from his various adventures. And throughout the test, his character could be further developed as he faces different situations and makes choices based on his values.
Sirius Black could also be part of it. He was Harry's godfather. He might have escaped from Azkaban earlier in this fanfic. He teams up with the Potters to rescue Harry. He could be the one who scouts out the Dursleys' house before the actual rescue operation, using his skills as an Animagus to stay hidden.
Obviously, Harry would be one of the main characters.
Well, Gandalf would probably be a main character too. He is a powerful wizard in Middle - earth and his knowledge and guidance would be crucial in a story where Harry is involved. He could be the one to help Harry understand the differences between his magic and the magic of Middle - earth. Also, Aragorn could be part of it. His leadership and warrior skills could be something that Harry looks up to or tries to learn from in this fanfic.