One idea could be exploring the daily lives of the strange creatures during the Cambrian period. What they ate, how they interacted with each other.
The most interesting ones might be those that explore the early days of the Star Wars universe during a time similar to the Cambrian explosion in our world. For example, stories about the origin of the Force could be really fascinating.
Existential themes are quite common. Beckett was famous for his existentialist ideas, and in Cambrian Beckett fanfiction, these ideas are often transferred to the Cambrian world. For example, characters might question their purpose in a world that was so different from our own. Also, the theme of change is prevalent. The Cambrian was a time of great change, and this can be related to Beckett's ideas about the mutability of life and human nature.
There is this fanfiction called 'Beckett's Echo in the Cambrian'. It delves deep into a fictional world where Beckett's works seem to have an impact on the Cambrian era. The author does a wonderful job of creating a unique atmosphere, combining the abstract concepts from Beckett's plays and novels with the strange and alien world of the Cambrian. It makes for a thought - provoking read.
One idea could be exploring what would happen if the Thundermans lost their powers permanently. It would completely change their dynamic and how they interact with the world and villains.
Some interesting Ghostbusters fanfiction concepts could be centered around the ghosts themselves. For instance, a story where a particular ghost has the ability to possess inanimate objects and uses this power to create chaos in the city. The Ghostbusters would then have to figure out how to stop it without causing too much destruction. Another concept could be a time - travel fanfiction where the Ghostbusters go back in time to prevent a major ghost - related disaster from ever happening. This could involve meeting their younger selves or influencing key events in the past related to the supernatural.
One idea could be a story where the zodiac signs are characters in a magical school. For example, Aries could be the brave and impulsive leader of a group of friends, always getting into adventures. Leo might be the popular and dramatic one, while Virgo could be the organized and detail - oriented student who keeps everyone in line.
One idea could be to write about the littles' adventure in a new, mysterious land filled with strange creatures. Another could be their attempts to build a huge structure using only small objects they find.
One idea could be to explore the backstory of one of the new characters. Maybe they have a hidden connection to the original killers. For example, they could be the long - lost relative of one of the previous killers, which adds a new layer of mystery to the story.
For a 'the wilds fanfiction', you might consider a time - travel aspect. What if one of the characters could go back in time and change the events that led them to the island? Or a story where the island has some sort of magical or supernatural element. Maybe there are hidden caves with strange powers. Additionally, you could write about a character who has a secret skill or knowledge that helps the group in a whole new way, like a character who is an expert in survival techniques that she has been hiding until a crucial moment.
One idea could be exploring the backstories of the different shadowrunner characters in more detail. For example, delving into how a particular decker got into the business, what led them to the shadowy underworld of shadowrun. Another could be creating a new mission or heist that involves a unique combination of magic and technology, which is a staple of the shadowrun universe. Maybe a group of shadowrunners has to steal a powerful magical artifact that is being guarded by high - tech security systems.