Well, in some fanfiction, a magic staff could be enchanted with the ability to transform into different forms. For example, it could turn into a broomstick for quick escapes or a shield for protection. Also, there could be a story where the magic staff has a sentient spirit within it that guides the wielder through difficult situations, like a wise old wizard trapped in the staff.
One idea could be a staff that has the power to control the elements. For example, it could summon rain to put out fires or create strong winds to disperse dark creatures. Another interesting custom staff could be one that can translate any magical language. This would be really useful for characters when they encounter ancient spells or texts from different magical cultures.
One idea could be the discovery of new powers within the Staff of Magnus. Maybe it has the ability to open portals to different magical realms that were previously unknown in the Harry Potter universe. This could lead to adventures where the characters explore these new places and encounter unique magical creatures.
One interesting plot could be a story where the Hogwarts staff has to deal with a new, mysterious dark magic that is affecting the students' minds. They have to work together, using their different areas of expertise. For example, Professor McGonagall might use her Transfiguration skills to create barriers, while Snape uses his Potions knowledge to create antidotes. Another plot could be a time - travel story where the staff goes back in time to prevent a major disaster at Hogwarts that was previously unknown. And a third could be a story about the staff's relationships outside of Hogwarts, like how Hagrid might have a secret friendship with a giant community that impacts his role at the school.
One idea could be that the Grand Sorcerer Staff has a mind of its own and it chooses a young, unexpected wizard to be its new master. This wizard then has to learn how to control the powerful magic within the staff while also facing the challenges from dark wizards who want to steal it.
In a fanfiction, the staff could be a key to a hidden magical realm. Harry, with the help of his friends, tries to unlock the secrets of the staff to enter this realm. Along the way, they face challenges like dark magic spells guarding the staff and the mystery of its true origin, which could lead to a great adventure and self - discovery for Harry.
One interesting 'harry potter with staff fanfiction' story could be about Harry learning new and unique spells from the staff members. For example, he might have a special training session with Professor Flitwick where he discovers a whole new aspect of charms magic that wasn't covered in the regular curriculum.
One interesting storyline could be about the backstories of the Hogwarts staff. For example, a fanfiction might explore Professor McGonagall's early days as a witch, her training, and how she came to be so strict yet fair. Another could focus on Filch and his relationship with the students from a different perspective, perhaps showing a more sympathetic side to him.
One interesting idea could be the creation of new and unique magic circuits that combine different spells or magical elements. For example, a circuit that mixes a protection spell with a levitation charm in a novel way. Another idea might be the use of magic circuits to enhance magical creatures' abilities, like creating a circuit for a hippogriff to fly faster. Also, some fanfictions might explore how magic circuits can be used to solve complex magical problems within Hogwarts, such as fixing the broken staircases more efficiently.
One interesting idea could be a new spell using lightning magic that only a chosen few can master. It might be a spell that can either protect Hogwarts in a more powerful way than existing spells or be used to track dark wizards by following the electrical impulses in their magic.
One interesting idea could be the exploration of new magical spells. In many fanfictions, authors create unique spells that add a fresh dimension to the wizarding world. For example, a spell that can transform objects into living creatures temporarily. Another idea might be alternative interpretations of the relationships between characters. Some fanfictions might depict a closer bond between Harry and Snape, showing a side of Snape that was not fully explored in the original series. Also, the concept of a new magical school in the fanfiction can be really exciting, with different teaching methods and a whole new set of magical rules.