One 'badass muggle' could be a character who manages to outwit dark wizards using just their street smarts. For example, in some fanfics, there are muggles who are really good at martial arts and they use their physical skills to hold their own against wizards who underestimate them.
Their underdog status. Muggles in the Harry Potter world are seen as inferior in terms of power compared to wizards. So when a muggle is 'badass', it's like a David vs Goliath situation. They have to rely on their non - magical skills and wits to overcome magical challenges, which is really exciting to read.
There's also a fanfiction where a Muggle girl somehow gets involved with Malfoy's world. It's called 'The Muggle and Malfoy's Unlikely Bond'. It explores how their two very different worlds collide and how they gradually develop a relationship, whether it be friendship or something more complex.
A third one to check out could be 'The Godlike Potter'. Here, Harry has powers that far exceed what we saw in the original series. He's a total badass, taking on the darkest of wizards with ease. The fanfiction delves deep into his newfound abilities, and how they change his relationships with his friends, enemies, and the magical community as a whole.
One great 'badass fem Harry Potter fanfiction' is 'Harry Potter and the Methods of Rationality'. In this, Hermione is portrayed in a really cool and strong - minded way. She uses her intelligence not just to ace her studies but also to influence the events around Hogwarts in a big way.
Another interesting one is 'Independent Harry Potter: A New Path'. Here, Harry breaks away from the traditional Hogwarts - centric path. He explores the wizarding world on his own, discovers new magic and forms his own group of allies. It delves deep into Harry's character, making him more of an independent thinker and a true badass as he forges his own destiny in the wizarding world.
Well, one possible reason could be their ignorance of the magical world. Muggles, not understanding magic, might accidentally trigger events that lead to destruction. For example, they could unknowingly interfere with magical spells or artifacts that are crucial for maintaining the balance of the world.
In such fanfiction, Muggles can be shown in different lights. Some portray them as simple and uncomplicated, living their ordinary lives without any knowledge of magic. However, there are also fanfictions where Muggles are more curious or even a bit envious of the magical abilities of Wizards. They might be depicted as trying to find out about the wizarding world despite the secrecy.
One popular 'badass Harry Potter' fanfiction is 'The Lightning Letters'. It gives Harry a more edgy and powerful persona, with unique magical abilities and a tougher attitude. Another is 'Potter's Rebellion' which shows Harry defying the traditional Order of things at Hogwarts and taking matters into his own hands in a really cool way.
There's also 'A Badass in Hogwarts'. This fanfiction has an original character who is not afraid to break the rules and stand up to the villains. The author does a great job of showing how this oc impacts the familiar Hogwarts setting and the relationships between the canon characters. It's full of action and adventure that will keep you hooked from start to finish.
There's also 'Harry Potter and the Last Horcrux'. This fanfic takes the basic premise of the Harry Potter series but adds in some really cool twists. Harry is much more of a badass here, facing challenges with newfound courage and skills. The story delves deeper into the lore of the Horcruxes and presents a different take on how Harry might defeat Voldemort, with lots of intense battle scenes and complex character development.