One great 'Harry Potter does new magic' fanfiction is 'The New Spells of Harry Potter' on FanFiction.net. It shows Harry inventing a whole new set of spells to combat a new dark threat at Hogwarts. The magic is really creative and it stays true to the spirit of the original books.
There's also 'Harry Potter and the Unseen Magic'. In this fanfiction, Harry discovers an ancient and forgotten type of magic. He has to learn it quickly to save his friends from a mysterious enemy. The author does a wonderful job of describing how Harry masters this new magic and how it changes his approach to wizardry.
One great magic - sensitive fanfiction could be 'The Unseen Magic'. It delves into the idea of a character having an extraordinary sensitivity to magic that goes beyond what is shown in the original books. The author creates a really engaging plot around this concept, exploring how this sensitivity affects the character's relationships and adventures at Hogwarts.
Well, there's a fanfiction where Harry's magic is transferred to his younger sister in a world where he was supposed to have one. This fanfic is interesting as it shows how she copes with the sudden influx of powerful magic and the responsibilities that come with it. There are also some fanfictions that involve the transfer of Harry's magic to a Muggle, which then leads to a whole new exploration of the relationship between the Muggle and wizarding worlds.
One great 'Harry Potter Godlike Magic' fanfiction is 'The Power Beyond'. It features Harry with extraordinary magical abilities that he discovers and has to learn to control. Another one could be 'Divine Magic in Hogwarts' where Harry's magic takes on a god - like quality, changing the way he interacts with the wizarding world.
You can start by looking on popular fanfiction websites like FanFiction.net and Archive of Our Own (AO3). These platforms have a large collection of Harry Potter fanfictions, and you can simply use the search bar to type in keywords like 'Harry Potter new magic'. You'll likely find a lot of interesting stories there.
One popular one could be 'The Darkening Path'. It delves deep into a character's struggle with the allure of dark magic. The author does a great job of showing how the power of dark magic can be addictive in the context of the Harry Potter universe.
'The Unplanned Transformation' is a great one. It focuses on a young witch who accidentally becomes an Animagus during a duel. The story then follows her as she tries to control this new ability and discovers secrets about her family's magic in the process.
One popular 'Harry Potter uses rune magic' fanfiction is 'The Rune - Bound Wizard'. It delves deep into how Harry discovers and masters rune magic in a way that is both exciting and true to the original Potterverse feel. Another one could be 'Runic Resurgence in Hogwarts' which focuses on Harry using rune magic to solve mysteries within the school.
One popular 'Harry Potter Lord of Magic' slash fanfiction could be those that explore the relationship between Harry and Draco in a new magical context. For example, some might imagine them as allies in a different kind of magical battle against a new dark force, where they have to rely on each other's unique skills.
There is 'Wandless and Free' which focuses on Harry's journey to master wandless magic. In this fanfiction, he meets an old wizard who teaches him the ancient ways of magic without a wand. It also delves into how this newfound power changes his relationships with his friends and enemies alike. It's full of exciting plot twists and character development.
In many fanfictions, source magic is often depicted as a more fundamental and powerful form of magic. It might work by tapping into the very core of the magical world, like the energy that first created magic. For example, a wizard might draw on source magic to perform spells that are far beyond the normal capabilities of regular magic.