A notable one is 'The Hidden Feelings'. It focuses on the subtle changes in their relationship during the 3rd to 7th years. The author does a great job of portraying their unspoken emotions and how they gradually come to realize their feelings for each other.
The themes usually include the exploration of love. As they grow from the 3rd to 7th year, their feelings might start to change. Another theme is the fight against the dark forces, which brings them closer. And there's also the theme of family, as they become like family to each other, especially with Harry not having a proper family, and Hermione's family being so different from the wizarding world.
One great 'Harry and Hermione in 4th year' fanfiction is 'The Fourth Year Adventure'. It delves into their relationship during that challenging year. They face new magical tasks together and support each other in a very heartwarming way. It also shows how Hermione helps Harry prepare for the Triwizard Tournament.
Well, I've also read 'Harry and Hermione: Third - Year Escapades'. In this one, they embark on an unexpected journey outside of Hogwarts due to a prophecy they discover. Their third - year knowledge and skills are put to the test as they encounter various magical creatures and obstacles along the way.
Another great author could be 'HermioneLover456'. They are known for writing detailed descriptions of the Hogwarts environment during Harry and Hermione's 3rd year. Their fanfictions often include little - known facts about the school that add to the authenticity of the story. They might describe how the changing seasons at Hogwarts affect Harry and Hermione's adventures and relationship.
One interesting 'Harry and Hermione 3rd year fanfiction' story could be about their adventures in dealing with the time - turner mystery in a different way. Maybe they discover a new spell related to time while trying to solve the mystery of Sirius Black.
Friendship is a big one. Their bond grows stronger during the third year as they face more complex challenges together. Another theme is mystery. There are often new magical elements or secrets that they have to uncover. For example, a hidden chamber or a forgotten spell.
In some fanfictions, it could be the Death Eaters still causing trouble. They might be targeting Harry and Hermione specifically during their 6th year, trying to disrupt their studies or even harm them.
Another element is the growing relationship between Harry and Hermione. Their friendship might start to shift into something more complex. They could start to rely on each other more deeply, and there may be some jealousy or confusion as they interact with other students. In some fanfictions, they might even realize their feelings for each other during this year.
A common plot could be their exploration of the Hogwarts grounds using the Marauder's Map. They might stumble upon some hidden passages or secrets that are related to the events of that year. Another one is dealing with the threat of Sirius Black. Hermione could be researching ways to protect Harry while Harry is more impulsive and wants to face the danger head - on. Also, there could be a sub - plot about their academic progress, like Hermione acing all her exams and trying to help Harry pass his, especially in subjects like Potions.
In some fanfictions, there could be a plotline where Harry and Hermione start to realize their feelings for each other in a different way during their 6th year. They've been through so much together, and this year could be the turning point where their relationship evolves from just friendship. They might have more private moments, sharing their fears and hopes, and this newfound closeness could lead to a whole new dynamic in their relationship.