Well, I'm not sure of a specific title that's super well - known for 'Harry is a Carrow' fanfic. But generally, you can look for ones that have a high rating on fanfic platforms. Some might focus on how Harry adapts to the Carrow's dark ways, while others could be about him changing the Carrrows from within. You could also search for fanfics that explore the magical world from the perspective of Harry being associated with the Carrrows, like how it affects his friendships and his battles against the dark forces.
The Carrow Twins are rather mysterious characters in the original 'Harry Potter' series. Fanfics allow us to explore them more. For example, we can see their backstories, which were not fully explored in the books. In fanfics, we might discover why they became so loyal to Voldemort in the first place.
One interesting 'Harry Carrow fanfic' could be about their adventures in a new magical realm. Maybe they discover a hidden magical creature that has the power to change the balance of magic in the wizarding world.
There's a fanfic called 'Harry Felix: The Bond'. In this one, their friendship is explored in depth. It shows how they support each other through various challenges, with detailed descriptions of their emotions and the world they live in. It's a really heartwarming read that fans of the 'Harry Felix' concept would enjoy.
One great Harry Gems fanfic is 'The Hidden Gems of Hogwarts'. It has an interesting plot where Harry discovers a secret room full of magical gems with unique powers. Another is 'Gems of Destiny' which focuses on how these gems are tied to Harry's fate in a rather unexpected way. And 'Harry and the Gem Guardians' is also quite good, it shows Harry teaming up with magical creatures to protect the precious gems.
One popular Harry Crys fanfic could be 'The Adventures of Harry and Crys'. It has an interesting plot that takes the characters on a magical journey through a world full of mystery. The character development in it is quite engaging.
There are many great Harry Narcissa fanfics out there. You can start by looking on popular fanfic platforms like Fanfiction.net or Archive of Our Own. Search for tags related to Harry and Narcissa to find stories that focus on their relationship, whether it be a friendship, a family - like bond, or something more complex. Some fanfics might explore alternate universes where they interact in different ways compared to the original series.
I really liked 'Harry, the Obscurial'. This fanfic has a unique take on the concept. It shows how Harry's relationships with his friends at Hogwarts change due to his Obscurial nature. There are some intense moments when his Obscurial power flares up and how he tries to control it.
One highly regarded Harry Potter fanfic is 'The Seer's Stone'. It weaves a complex and engaging plot that ties in with the original series quite well. There are also fanfics like 'Gryffindor's Heir' that explore new ideas about Hogwarts houses and their legacies. Additionally, 'The Veil's Edge' takes the concept of the Veil in the Department of Mysteries and creates an exciting adventure around it.
One popular 'Harry is blind' fanfic could be 'The Blind Wizard's Journey'. It often shows how Harry overcomes his blindness to still achieve great things in the wizarding world. Another might be 'Blind but Brave Harry' which focuses on his relationships with his friends while dealing with his disability in a magical setting.
One great Harry Arryn fanfic could be 'The Ascent of Harry Arryn'. It delves deep into his character, showing his growth and the challenges he faces in a fictional world. Another interesting one might be 'Harry Arryn: A New Path' which takes a different approach to his story, perhaps exploring a more heroic or alternative version of his journey. There's also 'In the Shadow of Harry Arryn' which could focus on the impact he has on those around him in the fanfic universe.