A common theme is friendship. Despite their differences, they often form a strong bond of friendship in fanfictions. For example, in some stories, they start as rivals but gradually become friends as they understand each other better.
Another theme is loyalty. Jade's loyalty to Mileena or vice versa is often explored. In stories where there are power struggles in the Outworld, their loyalty to each other can be a key factor in their survival and success.
One common theme is the exploration of their unique relationship. Given their different natures in the Mortal Kombat universe, fanfiction often delves into how they interact and come to understand each other.
One common theme is the exploration of their relationship in different Mortal Kombat universes. Writers often imagine how they would interact given their different allegiances in the game. For example, Sub Zero is from the Lin Kuei while Mileena has her own complex backstory with Shao Kahn.
One common theme is her struggle with identity. Since she has a unique heritage being part Edenian and part Tarkatan, many fanfictions explore how she copes with this duality. For example, she might be torn between her more civilized Edenian side and the savage Tarkatan instincts.
One common theme is sisterly love and rivalry. Since they are sisters in the Mortal Kombat lore, fanfics often explore the complex relationship between them. Another theme could be redemption, especially for Mileena who has a more villainous side in the original story.
One common theme is the exploration of their complex relationship. Given their different backgrounds in the original lore, fanfictions often play with how they interact and come to understand each other.
One common theme could be redemption. Mileena has done some rather cruel things in the Mortal Kombat lore. Sub - Zero, being a more noble character, could be the catalyst for her redemption. He might see the good in her that others don't and help her change for the better.
One common theme is friendship - turned - romance. Since they start as friends in the Homestuck universe, many fanfictions explore how that relationship deepens into something more romantic.
A common theme is friendship. Jade and John have a strong bond in the original Homestuck series, and this often translates into their fanfiction. They support each other through various challenges.
Romance is also quite likely. Fans often like to explore the relationship between two characters in a romantic light. So, you might find many fanfictions where jade and shadowrose have a romantic relationship, with themes like love at first sight or slow - burn romances.
One popular Mileena x Jade fanfiction is 'The Bond Between Them'. It beautifully explores their complex relationship within the Mortal Kombat universe. It delves into how their different personalities, Mileena's ferocity and Jade's loyalty, interact and create an interesting dynamic.