One common theme is the clash of cultures. For example, when vikings cross over to a different world, they might have different values and beliefs compared to the native inhabitants, which leads to interesting conflicts.
One common theme is adventure. Vikings were known for their long voyages, so many viking fictions focus on their travels to new lands.
One common theme is adventure. Vikings were known for their travels and raids, and this is often central in viking historical fiction. Another is honor. Their code of honor within their clans and in battle is frequently explored.
One common theme is adventure. Vikings were known for their travels, so stories often involve their voyages to new lands. Another is heroism. The Viking heroes like Ragnar are depicted as fearless in battle.
Love against all odds is a common theme. Since vikings were often seen as fierce warriors, a romance between a viking and a princess (who might be from a different culture) was usually full of obstacles.
One common theme is adventure. Since the Valerian universe is full of exciting and unknown elements, when crossed with other universes, it often leads to epic adventures. For example, a crossover with a space - opera like Star Trek could result in a story where Valerian and his companions explore new galaxies together with the Star Trek crew.
One common theme is the clash of different powers. For example, when the Incredibles cross with other superhero groups, there's always the exploration of how their powers compare and contrast.
Power struggle is a common theme. Starscream is often power - hungry in the original Transformers series, and in crossovers, this trait is magnified when he enters new universes with different power hierarchies. For example, in a crossover with the Lord of the Rings, he might try to claim the One Ring to gain ultimate power.
The theme of adaptation is quite prevalent. Asriel has to adapt to different cultures, technologies, and ways of life in the crossovers. For instance, if he enters a cyberpunk - themed world, he has to get used to the high - tech environment and the different social structures. Another common theme is the exploration of good and evil. When he crosses over to a world like the Lord of the Rings, he has to decide which side he's on and how to fight against the forces of evil in that world. This exploration of moral concepts is an important part of many Asriel crossover fanfictions.
A common theme is the clash of different assassin cultures. For example, when Hitman crosses with other assassin - themed franchises, their methods of killing, their code of ethics, and their loyalty to their respective organizations are often compared and contrasted.
One common theme is the exploration of power dynamics. When the X - Men cross over with other groups, like the Avengers or the Fantastic Four, there's always a comparison and contrast of their powers. For example, in a crossover with the Avengers, the mutants' powers might be seen as more unpredictable compared to the technology - based powers of some Avengers.