What are the common themes in 'epic x cross fanfic'?

In 'cross sans x cross chara fanfic', a common theme is the exploration of the characters' backstories. Since both cross sans and cross chara have their own histories in the Undertale lore, fanfic writers might delve into these backstories to create more depth in their relationship. Another theme can be redemption. If either character has made mistakes in their past, the fic could focus on their journey towards redemption. And of course, there is always the theme of the relationship between the two characters, whether it's a platonic bond or something more complex that develops over the course of the story.

One common theme is the struggle between good and evil. Cross is often seen as more of a 'good' character, while Nightmare represents 'evil', and their interactions explore this dynamic.

A common theme is friendship. Since it's a cross - over of two entities, often the stories explore how they become friends despite their differences. For example, in many fanfics, they start off as strangers or even rivals but end up being close friends.

One common theme is exploration. Since Angela is often associated with traveling and discovery, many fanfics focus on her exploring new places, whether it's uncharted planets or hidden corners of known worlds.

A third common theme is the exploration of their pasts. Maybe there are secrets from their pasts that are gradually revealed, and these revelations affect their relationship. For instance, something from Cross's past might impact how Allen views him, or vice versa. This can add depth to their characters and the story as a whole.

Another theme could be adventure. The fanfictions may send Cross and Dream on some epic quests together. They might have to face powerful enemies and overcome various obstacles in a fictional world. This often involves a lot of action and suspense.

Another theme is redemption. Sometimes the fanfiction might explore the idea of Nightmare being redeemed through his relationship with Cross. It could show how Cross's positive influence might change Nightmare for the better, which is an interesting and complex theme to explore.

Adventure is a very common theme. The reader usually embarks on an exciting journey, whether it's through a magical land or in outer space. Another theme is self - discovery. As the reader interacts with the epic world and its characters, they often learn more about themselves.

One common theme is friendship. It could explore how the two characters from different 'worlds' (as represented by their different character concepts) become friends and support each other.

Well, there are 'epic x cross fanfic' that involve different genres crossing over. For instance, an epic space opera crossed with a medieval fantasy. In such a fanfic, you might see starships in a world full of knights and magic. It's really exciting to see how the two different elements interact, like how the advanced technology of the space opera might be perceived as magic in the medieval setting.