In 'Black Butler Sebastian x Claude fanfic', one of the main themes is the exploration of their complex personalities. They are both mysterious and have their own motives. This is often explored in detail. Another theme is the idea of loyalty. Their loyalty to their masters can create interesting conflicts and situations. And a third common theme is the concept of the supernatural world they inhabit. The rules and hierarchies of the demon world are often part of the stories.
In Black Butler Claude x Sebastian fanfiction, a common theme is the exploration of their demonic natures. Writers often delve into how their demon instincts interact with their relationships. Also, themes of loyalty and betrayal are popular. For instance, what would make one of them betray their master for the other? It's all about the complex web of relationships and power dynamics that make these characters so interesting in fanfiction.
A common theme is their rivalry. In the original Black Butler series, Sebastian and Claude are butlers with different motives, and this often translates into intense competition in fanfictions. They might compete for their masters' attention or for some powerful object.
Another theme is obsession. Alois is often depicted as being obsessed with Claude in some way, whether it's for protection or something more sinister. And Claude has his own reasons for being fixated on Alois. It's a very dark and twisted form of mutual obsession in many of these fanfics.
A common theme is rivalry. Since Sebastian and Claude are often portrayed as rivals in their original context, many fanfics build on this, showing their intense competition.
One common theme is the power imbalance. Sebastian is a powerful demon, and Ciel is a young, mortal master. This creates a lot of tension and interesting situations where Ciel is constantly trying to hold his own against Sebastian. Another theme is loyalty and its limits. Sebastian is bound by a contract, but his true motives are often questioned.
The theme of sacrifice also shows up a lot. Ciel may sacrifice his own humanity in order to achieve his goals, and Sebastian may sacrifice his own freedom in a way by being bound to Ciel. And there's always the theme of the supernatural, with Sebastian being a demon and all the dark magic and otherworldly elements that come with that in the fanfics.
Some fanfics center around the idea of Sebastian and Claude teaming up, which is an interesting twist. Maybe there's a greater threat that they both realize they can't handle alone. This could be a powerful demon from their past or a new, more menacing entity. And then there are those that explore their backstories. How they became the demons they are, what events shaped them. These themes add depth to their characters in fanfic writing.
One common theme is rivalry. Since they are both powerful characters, their competitive nature often comes into play. Another theme is the exploration of their different natures, with Claude being sly and Sebastian being so proper. And of course, there's often a theme of attraction, whether it's a slow - burn or a more immediate kind.
One common theme could be friendship. Despite their differences, they might form an unexpected bond in the fanfic. Another theme could be adventure, where they go on some kind of journey together with their toys.
One common theme could be rivalry. Since Sebastian and Claude are often pitted against each other in their original stories, this can carry over into fanfic as a central theme, with their relationship evolving around their competition.