Yes, there are quite a few. You can start by looking on popular fanfic platforms like Archive of Our Own. Some fanfics might focus on their relationship in different scenarios within the game's universe, such as adventures they go on together or how they support each other during difficult times in Kirkwall.
The Hawke comic offers additional backstory and depth to the Dragon Age universe. It expands on the character of Hawke and their adventures within the Dragon Age setting.
One possible fanfiction could be about Hawke and Bethany's adventure in the Deep Roads. They might face numerous darkspawn, and Hawke has to protect Bethany as she uses her magic to fend off the enemies. Their bond as siblings grows stronger during this dangerous journey.
There's a fanfic called 'The Path We Walk'. In this, Male Hawke is portrayed as a very empathetic character towards Fenris. It focuses on their journey together through Kirkwall. Fenris starts to open up more about his lyrium tattoos and his past as a slave. It's a very character - driven story that really brings out the best in both of them.
Hawke is often portrayed as a strong and determined character in the fanfiction. Depending on the writer's choice, Hawke can be noble - minded or a bit more morally grey. Isabela, on the other hand, is typically shown as the adventurous and flamboyant pirate. She is often the source of chaos and excitement in the stories. Hawke and Isabela together can be a dynamic duo. Hawke might be the voice of reason while Isabela is the one pushing the boundaries.
One great fanfiction is 'Hawke and Merrill's Unlikely Bond'. It delves deep into their relationship, showing how Hawke's practical nature and Merrill's idealistic views often clash yet also draw them closer. The story has some really interesting dialogue that stays true to the characters' personalities from the game.
Archive of Our Own (AO3) is a great place to start. It has a large collection of fanfics for various fandoms, including those related to Bethany Hawke and Marian. Just use the search bar and type in their names.
A major theme is survival. Kirkwall is a dangerous place, and Female Hawke has to fight to survive. Fanfictions often show her using her wits and combat skills to stay alive. The theme of loyalty also pops up a lot. Her loyalty to her friends and family, and how far she'll go to protect them. And there's the theme of redemption, especially when it comes to dealing with characters who may have made mistakes in the past.
Well, in fanfiction about them, Hawke and Isabela usually have great chemistry. Hawke can be a mage, warrior or rogue, and each type interacts differently with Isabela. If Hawke is a mage, there could be a sense of mutual respect for their respective powers. As for the romantic aspect, it can be really passionate. They might share some steamy moments in the taverns of Kirkwall or on the deck of Isabela's ship. But it's not all about the physical side. Emotionally, they support each other. Isabela might encourage Hawke to be more carefree, while Hawke tries to get Isabela to be a bit more responsible at times.
A popular storyline is when they go on a quest together. For example, in some fanfics, they travel to an ancient ruin in search of a powerful artifact. Along the way, they face many challenges and their relationship evolves. It's exciting to see how they rely on each other in dangerous situations.