Adventure is another theme. Since they are part of the wizarding world, they might go on quests together or face dark wizards. This adds an exciting element to the stories. In some fanfics, they are on a mission to uncover a mystery related to Hogwarts or the wizarding community at large. This theme helps to build the story and make it more engaging.
Love is a common theme. Their relationship, whether it's a budding romance or a deep friendship, is often explored. For instance, many fanfictions depict how they might have fallen for each other gradually.
One common theme is love against the backdrop of war. Given the time period in the Harry Potter universe, they often face the threat of Voldemort's rise. Their relationship is then tested by the chaos and danger of the wizarding war.
Some fanfictions explore a scenario where Marlene survives the war and she and Sirius get a chance to rekindle their relationship. It delves into how they deal with the trauma of the war and their past feelings for each other. They might have to face the judgment of the wizarding society which has changed after the war. This plotline can be very emotional and complex as it involves a lot of character development and exploration of post - war wizarding world.
Fanfiction.net might also be a good place to look for Sirius Black and Marlene McKinnon fanfiction. However, the interface and the categorization system might be a bit different from AO3. You may need to dig around a bit more in the search results to find exactly what you're looking for.
One great Marlene McKinnon and Sirius Black fanfiction is 'The Lost Memories'. It beautifully weaves their relationship within the magical world of Hogwarts. The story focuses on their shared adventures and how their bond develops over time. It has a great plot with lots of twists and turns that keep you hooked.
There's also 'Sirius Black and Marlene McKinnon: An Untold Bond'. This fanfic focuses on their friendship and how it might have developed into something more. It's well - written, with detailed descriptions of the characters and their emotions. For example, it really captures Marlene's feisty personality and Sirius's loyalty.
One common theme is forbidden love. Given Sirius's family situation and the general social expectations in the wizarding world, their relationship often faces external obstacles.
It could be a fellow wizard who she has been in a long - term relationship with. Maybe someone from her group of friends or an ally she has made in her adventures in the wizarding world.
One idea could be exploring how Marlene McKinnon's pregnancy affects her relationships within the wizarding community. Maybe she has to deal with the reactions of her friends and family, and how they support or sometimes misunderstand her during this time.
The theme of freedom is quite important too. Sirius was locked up in Azkaban for a long time, and when he escaped, he was fighting for his freedom. Fanfictions often expand on this, showing his journey to fully regain his freedom and his place in the wizarding world, while also dealing with the prejudice against him because of his supposed crimes.
The theme of redemption also shows up. Since Sirius had a somewhat 'tainted' reputation in the eyes of the Black family, some fanfictions explore if Orion could have played a role in his redemption or if Sirius could have redeemed the family name in Orion's eyes.