One common theme is the discovery of new places. For example, in many stories, the characters might find a lost city or an uncharted island. Another theme is the search for something valuable, like a treasure or a magical item. Survival against nature and dangerous creatures is also quite common.
Well, the theme of facing the unknown is central in human adventure fanfiction. It could be unknown lands, unknown powers, or unknown cultures. The characters have to be brave and resourceful to deal with these uncertainties. Also, the idea of transformation is there, where the characters may change their beliefs or personalities as a result of their adventures.
One common theme is friendship. Just like in the original Sonic Adventure, fanfictions often explore the bonds between Sonic and his friends. Another theme is adventure itself, with the characters going on exciting quests. For example, in many fanfictions, they might be searching for a lost chaos emerald or trying to save a new world.
One common theme is friendship. The relationship between the human and Senketsu often develops into a strong bond of friendship. Another theme is growth. Both the human and Senketsu usually grow as characters throughout the story, learning from each other. Also, the theme of facing challenges together is quite prevalent as they encounter various obstacles in their adventures.
Self - discovery is another theme. Through their relationship with Toothless, the human often discovers new things about themselves, like hidden courage or a new perspective on the world. And for Toothless, his interactions with the human can also lead to self - discovery, perhaps learning about the value of a different kind of relationship compared to those with other dragons.
One common theme is friendship. Like in many stories, the dragon and the human start as strangers but gradually become friends and rely on each other. For example, in 'A Dragon's Friend', the human helps the dragon when it's trapped and in return the dragon protects the human from danger.
Often, there's a theme of hidden powers or abilities. Even as a human, Jasper might have some remnants of her previous self. This could be in the form of enhanced senses or a special intuition. Fanfiction writers like to explore how she uses these to her advantage or how she tries to hide them from others in the human world.
Power growth is a very common theme. Writers often explore how the characters can become stronger in different ways compared to the original story. Another common theme is relationship development, like the romantic relationships between characters.
Another theme is cooperation. Sometimes, they realize that by working together, they can achieve greater things. In some stories, they join forces to fight against a common enemy like an ancient evil or a powerful dragon. This theme shows how they can overcome their differences and use each other's strengths. It often involves a lot of character development as they learn to trust one another.
A common theme is friendship. The human and the rabbit often become friends in these stories, like when the rabbit is a stray and the human takes it in. Another theme could be adventure. They might go on a journey through a forest or an unknown land together.
Love is a very common theme. Usually, a mermaid and a human fall in love despite their differences. Another theme is the struggle between two different worlds. The mermaid belongs to the underwater world and the human to the land world, and they have to find a way to be together.
Survival is a big theme. In these fanfictions, humans have to figure out how to survive in a world dominated by dinosaurs. They need to find food, shelter, and avoid being eaten. The theme of friendship also appears. Sometimes a human befriends a dinosaur, like in the story where a lonely boy forms a bond with a gentle herbivore dinosaur. Additionally, the idea of time - travel is common. It allows for the mixing of different eras, with humans from the present going back to the dinosaur age or vice versa.