Well, in some Harry Potter Magical Diety Fanfiction, a common concept is the idea of deities influencing the prophecy. Maybe a deity has the power to manipulate or even create prophecies, which could change the whole course of events in the wizarding world. It also could be about deities having their own cults within the wizarding society, hidden from the Ministry of Magic. These cults could be practicing ancient and powerful magic that has been long forgotten or forbidden.
In some 'Magical Inheritance' fanfictions, there could be inheritances related to ancient magical creatures. Maybe a character inherits the strength and abilities of a phoenix, like being able to heal others with their tears or rise from the ashes in a symbolic way. This adds a whole new layer of magic and power to the story.
Well, in some 'Magical Guardian Harry Potter Fanfiction', one interesting concept could be the unique magical abilities of the guardians. For example, they might have powers that are a combination of different Hogwarts houses' traits. They could be extremely loyal like a Hufflepuff, yet brave as a Gryffindor when protecting Harry.
One interesting concept is the discovery of new magical abilities passed down through inheritance. For example, a character might inherit the power to communicate with magical creatures in a unique way that was previously unknown in the wizarding world. Another concept could be the inheritance of ancient spells or magical artifacts that hold great power and are key to solving a mystery or defeating a dark force.
They might interact through dreams. A character could have a prophetic dream sent by a deity, guiding them on a certain path or warning them of danger. For example, Harry Potter himself might dream of a deity showing him a hidden chamber in Hogwarts that holds the key to defeating a new dark force.
Well, in some fanfictions, magical wolf familiars are often depicted as having a special bond with the Forbidden Forest. They might be able to navigate through it with ease and find hidden magical items or places. Also, their fur could have magical properties. Maybe it can change color according to the mood of the wizard or the magical environment they are in. This not only makes them look cool but also serves as a kind of warning or indication of the magical situation around them.
Some fanfictions in Harry Potter 2 might play with the idea of the basilisk having different powers or weaknesses. It could also explore the idea of a hidden connection between Ginny and the Chamber of Secrets that goes beyond what was in the original story. There might be fanfictions that change the role of certain characters, like making Neville a more central figure in solving the mystery of the Chamber.
One interesting magical item in Harry Potter fanfiction could be a time - turning amulet. It allows the wearer to go back in time for short periods, creating all sorts of plot twists. Another might be a spell - binding quill that can write out spells automatically. And there could be a magical cloak that not only makes you invisible but also can teleport you short distances.
One interesting magical creature often seen in Harry Potter fanfiction is the Thestral. Since it can only be seen by those who have witnessed death, it adds a dark and mysterious element. Another could be the Nundu, a large and dangerous cat - like creature. It's powerful and feared, which makes for great plot twists in fanfictions. And the Phoenix is also a popular one. Its ability to be reborn from ashes can symbolize hope and renewal in fan - created stories.
One interesting concept could be alternative magical abilities for the characters. For example, giving Hermione the ability to control time in a different way than just using the time - turner. It adds a whole new layer to her character and the stories she can be involved in.
Well, a lot of times in 'harry potter pack fanfiction', there are unique interpretations of magic. Writers might come up with new spells or magical creatures that add a fresh twist to the wizarding world we know from the books. It's really cool to see how they expand on J.K. Rowling's original ideas.