The theme of identity is also quite prevalent. Since Chara's true nature is somewhat ambiguous in the original game, fanfics often attempt to define her more clearly. They might explore whether she is truly evil or if there are other factors that have shaped her into the character we see in the game. Some fanfics even present alternate versions of Chara with different identities and personalities.
One common theme is redemption. Many fanfics try to show Chara in a new light, as a character who can be redeemed despite her actions in the game. For example, they might explore her backstory to find reasons for her behavior and then show her growing and changing for the better.
Friendship is a very common theme. These fanfics often show how Chara and Frisk become friends and rely on each other. Another theme is adventure. They usually go on adventures in the Underground together, facing various monsters and challenges.
One common theme is redemption. Since Chara has some dark aspects in the game, many fanfics explore the idea of Chara being redeemed through their relationship with Sans. Another theme is friendship. Despite their differences, they can form an unlikely bond. And there's also the theme of mystery, as both characters have elements of mystery in the original game, and fanfics often expand on that.
Common themes include loyalty. Chara and Asriel had a strong bond, and fanfics often showcase how loyal they are to each other, even in difficult situations. Another is the theme of discovery. They discover new things about themselves and each other through their interactions in the fanfics. Also, the theme of hope can be seen. In a world that can be dark like undertale, their relationship can be a source of hope, and fanfics play with this idea, showing how they bring light to each other's lives.
A common theme is the clash of cultures. Naruto characters come from a world of ninjas and shinobi values, while Undertale has a very different monster - centered society. Another theme could be the exploration of power. Naruto characters have their own set of jutsu and abilities, and when they are in the Undertale world, how these powers compare to the magic there is often explored. Friendship is also a big theme, as Naruto characters might form bonds with the Undertale monsters.
Another theme is friendship. Chara might form new friendships with other characters in the Underground. These relationships help them to grow and become a better version of themselves. It's about how positive human (or monster) connections can influence Chara's transformation.
One common theme is friendship. Their bond is often explored, like how they support and care for each other. For example, in many fanfictions, they are there for each other during tough times in the Underground.
A common theme is the power of friendship. Despite their differences, Chara and Sans can form a bond that helps them both grow. Another theme is the exploration of good and evil. Chara has a complex moral standing, and Sans is often seen as a more morally 'good' character. Their relationship can be used to question what is truly good or evil.
One common theme is friendship evolving into love. In many of these fanfictions, male frisk and female chara start as friends who have shared experiences in the Underground, and over time, their relationship deepens into something more romantic.
One common theme is redemption. Since Chara has some controversial actions in the game, many fanfics explore the idea of them seeking redemption or making up for their wrongdoings.
Friendship is a very common theme. Since Chara and Asriel are so close in the original story, many fanfics explore the depth of their friendship, how they support each other and grow together.