The plot could involve them teaming up to take over the Duel Monsters world. They might use their combined powers and knowledge to outwit other duelists and gain ultimate control.
Another theme is the idea of redemption. Both characters have had their dark moments, and in some fanfics, they find a way to redeem themselves through their relationship with each other. For example, they might help each other face their inner demons. It's a way to show growth and change in their characters.
One great 'bakura x marik fanfic' is 'The Bond Beyond Dueling'. It delves deep into their complex relationship, exploring how their shared experiences in the dueling world bring them closer. The author does an excellent job of depicting their personalities and the gradual development of their connection.
I really like 'Yami Marik's Redemption in Love'. In this fanfiction, the author shows how the reader can gradually change Yami Marik for the better. It has a lot of emotional depth and the interactions between the two characters are very engaging.
The relationship between Yami Marik and the reader has to be developed well. It can't be rushed. There should be a gradual progression from initial encounters, perhaps filled with suspicion or fear, to a deeper connection. Maybe they start off as enemies in the story and slowly realize they have more in common than they thought.
Many yugi x yami bakura fanfictions focus on the idea of redemption. Yami Bakura is often seen as a villain, and these stories may show him changing or being redeemed through his relationship with Yugi. Also, there are fanfictions that explore a more romantic side of their relationship, with themes like first love, unrequited love, or a slow - burn romance.
One common theme is the power dynamic. Yami Bakura has his own unique and often dark powers, and how the reader character interacts with that power, whether they are afraid of it, intrigued by it, or trying to help him control it, is a frequent theme.
Power is a very common theme. Since Yami Marik is a powerful character, many fanfictions explore how he uses his power, gains more power, or loses it. Another common theme is revenge. Given his backstory, it's often a part of the story. For example, he might seek revenge on those who wronged him in the past.
The difference in their worlds. Yami Bakura exists in a realm of ancient magic and power struggles, while the reader is from a more normal world. Bridging this gap could be extremely difficult. They might struggle to understand each other's values and ways of life.