One common theme is discovery. Harry discovers his magic in unexpected ways, like finding a hidden magical object or meeting a mysterious figure. Another theme is secrecy. Since he's not supposed to use magic outside of Hogwarts yet, he has to keep his newfound skills a secret from the Dursleys.
One great fanfiction in this genre is 'The Vampire's Heir'. It delves into Harry's life before Hogwarts with a vampire twist. The story is really engaging as it shows how Harry discovers his unique powers early on. Another good one could be 'Pre - Hogwarts Vampire Potter'. It has a really interesting take on how the Dursleys deal with a vampire - like Harry, adding a whole new layer of drama.
There's a fanfiction called 'Early Magic for Harry'. In this story, Harry stumbles upon an old magic book in the cupboard under the stairs. This book helps him start learning magic even before he gets the Hogwarts letter. He begins with simple levitation spells and gradually progresses. It's a really interesting take on how Harry could have been more prepared for Hogwarts if he had known some magic beforehand.
One common theme is isolation. Since Harry is different with his vampire - like qualities, he often feels alone, just like in the original story but with an added twist. Another theme is discovery. He's constantly finding out new things about himself and his powers. For example, he might discover he has enhanced senses or strength.
Maybe it could be an ancient magical being like a centaur. Centaurs are known for their knowledge of the stars and ancient magic. They might take Harry under their wing and teach him old magic that has been passed down through their generations.
It could be an older relative who was thought to be dead but actually has been living in seclusion, waiting for the right time to teach Harry about their family magic. This relative might have a vast knowledge of the family's magical traditions and spells.
Yes, it can be considered dark and controversial. Blood magic in the Harry Potter universe is often associated with dark and unethical practices. It goes against the principles of the good magic that Hogwarts teaches. For example, the use of blood in dark spells is seen in the actions of Voldemort. In fanfiction, having Harry Potter learn blood magic is a deviation from his character's usual moral stance, which can stir up a lot of debate among fans.
He could lose his friends. In the original story, his friends stand for good and oppose black magic. If Harry starts learning it, they might turn their backs on him. Also, he could be ostracized by the wizarding community. The wizarding world has a clear stance against black magic, and Harry would become an outcast.
In such a fanfiction, Harry might discover ancient spells that give him an edge in battles. For example, he could learn old defensive magic that can protect Hogwarts in a more powerful way than the existing spells. He might also use old magic to communicate with long - lost magical creatures that hold secrets of the wizarding world.
One common theme is self - discovery. As Harry learns light magic, he often discovers new aspects of himself and his potential. Another theme is the power of good over evil. Light magic is usually depicted as a force for good, so it's about using it to combat the dark forces in the wizarding world.