One common theme is friendship. Their unique personalities can lead to interesting friendship - based stories.
Adventure is also common. Since they both seem like characters who would get into all sorts of exciting situations, fanfictions often feature them on grand adventures.
Another theme is the solving of a mystery that Rex is either a part of or is somehow related to. This could be a mystery about a lost civilization or a strange phenomenon that only Rex can help solve. For example, in some fanfictions, Rex has a connection to an ancient artifact that holds the key to solving a big mystery. This creates a lot of suspense and adventure in the story.
One common theme is adventure. The OC often joins Rex on his various missions, facing challenges together. Another theme is romance. Since it's rex x oc, there's usually a love story developing between them. It could be a slow - burn romance or a more immediate attraction.
I'm not entirely sure specifically what 'six x rex yaoi fanfiction' is about as it's not a widely known common title. But generally, yaoi fanfiction often involves male - male romantic relationships in a fictional context.
Often, there can be a theme of the unknown. Since it has'mystery' in it, the fanfictions may revolve around uncovering secrets, whether it's about a strange place, a hidden power, or something else related to sleepykinq mystery and rex. The stories might also play with the idea of how these two entities react to the unknown elements.
Survival is a common theme. Since a T - rex is a large and dangerous predator, the human character often has to find ways to survive in the presence of the T - rex.
A common theme is adventure. Since Generator Rex is often involved in action - packed situations, the fem oc usually joins him in these adventures, whether it's fighting against EVOs or uncovering some big conspiracy.
Well, often there is a theme of discovery. The human discovers the world of the T rex and vice versa. There might also be a theme of protection, where the T rex protects the human or the human tries to protect the T rex from harm. And sometimes there's a bit of a love - against - all - odds theme, where their different species don't stop them from having some sort of emotional connection.
Friendship is a very common theme. Rex and Emmet are often shown to have a strong bond, whether they are facing challenges or just having fun together.
One interesting story could be about Agent Six and Rex going on a joint mission that takes them to an unknown planet. There, they have to face strange creatures and rely on each other's unique abilities to survive. Rex's ability to create various weapons with his Omnitrix and Agent Six's combat skills would make for an exciting adventure.
Another theme is sacrifice. There are often situations where either Noble Six or Kat has to make sacrifices for the other's well - being. This selfless act deepens their connection and is a recurring element in these fanfictions.