In fanfiction where Hermione and Harry are twins, what kind of new magical abilities could they develop together?

Hermione is known for her academic approach to magic, so she might have a more refined and precise control over spells she has studied. Percy, on the other hand, could have a more instinctive magic related to leadership and order. Maybe he can magically organize things or people with ease.

Well, Harry has the unique ability to see Thestrals because he has witnessed death. It's possible that one of their children could inherit this ability too, depending on how the fanfiction plays out. Hermione is very good at time - turning spells, though it's a dangerous magic. Their kids might inherit an inclination towards time - related magic, but hopefully in a more controlled and legal way. And of course, both Harry and Hermione are good at defensive magic, so their children would surely inherit strong defensive magical abilities.

Hermione might inherit some of Remus' occlumency or legilimency skills. Remus was a smart wizard and being able to protect one's mind is a valuable skill. If Hermione had this, it could enhance her ability to keep secrets and also to detect when others are trying to deceive her. This could be very useful during her time at Hogwarts, especially when dealing with the likes of Voldemort and his followers.

It's possible that their children could inherit Hermione's gift for languages. She was able to learn and master many magical languages during her time at Hogwarts. Along with that, Draco's family's talent for flying could be passed on. So, their children might be excellent at flying on broomsticks and also be able to communicate with magical creatures in different languages. Moreover, they could inherit a combination of their parents' defensive magic skills. Draco was trained in some forms of pure - blood defensive magic, and Hermione was always good at using magic for self - defense. Their children could develop a unique style of defensive magic that combines both of these aspects.

Perhaps she could have a special connection to the magic of Hogwarts itself, just like Dumbledore did. So she could be able to control certain aspects of the castle that others can't, like opening secret passages more easily or sensing when something is wrong within the school's wards.

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Well, in some versions of this kind of fanfiction, it could be that they inherit some dark magic tendencies from the Riddle side while still maintaining their own good natures. Maybe they have to struggle with how to deal with this new aspect of their identity and keep it a secret from their friends at Hogwarts. They might also start to uncover secrets about the Riddle family that were previously unknown, which could put them in danger.

He could have enhanced physical abilities like Black Widow. So, he'd be super agile, able to jump from high places and land safely, and have great reflexes. Also, he might be a master of disguise, which would be really useful in the wizarding world. He could blend in with different magical creatures or people to gather information.

He could gain the ability to shield his mind completely. This means no one, not even the most powerful Legilimens like Voldemort, could peek into his thoughts. Also, he might be able to project false thoughts, a useful skill when dealing with enemies. For instance, he could make them think he's planning one thing when in fact he's doing another.

He could gain the ability to perform spells more effectively. Since James was a skilled wizard, his memories might hold the key to better spell - casting techniques.