One common theme is the power struggle. Given King Ghidorah's already formidable nature, in fanfiction with a female version, there might be a focus on how she wields her power, whether it's against other kaiju or in a more complex political or social structure within the kaiju world. Another theme could be redemption. Maybe the Female King Ghidorah starts off as a villain but then has a change of heart.
One common theme is the idea of an unlikely connection. Given King Ghidorah's menacing nature, the fanfics often explore how the reader character might form a bond with this powerful and usually villainous creature. Another theme is adventure, as the reader might be dragged into King Ghidorah's world of chaos and destruction, leading to exciting and dangerous situations.
Another common theme is the origin story. Fans are often interested in where King Ghidorah came from. Fanfics like 'The Birth of King Ghidorah' explore its extraterrestrial origins and how it ended up on Earth. This gives a deeper understanding of the character and adds more depth to the story.
One idea could be a story where Godzilla and King Ghidorah have to team up against an even greater threat from outer space. This would force their natural enmity aside as they realize the common danger.
One idea could be a crossover with Godzilla. King Ghidorah teams up with some other kaiju to take on Godzilla in an epic battle across multiple cities. They could use their different powers in unique ways, like King Ghidorah's gravity beams against Godzilla's atomic breath.
One possible plot could be about how the other kaiju react to King Ghidorah's pregnancy. Maybe Godzilla would be initially shocked and then start to consider if this new situation changes the power balance among them.
In a King Ghidorah x Mothra fanfiction, a possible plot could be that King Ghidorah is somehow injured and Mothra, being the more benevolent of the two, decides to heal him. As she heals him, she also tries to change his evil ways. This could be a story of redemption for King Ghidorah, and how Mothra's kindness can have a profound impact on even the most evil of creatures.
Well, a fanfiction could be set in an alternate universe where King Ghidorah and Mothra are the last two of their kind. They have to find a way to repopulate their species, but their natural instincts are so different. King Ghidorah is more about destruction and dominance, while Mothra is about life and harmony. This conflict could be the central theme of the story, exploring how they try to overcome their differences for the greater good of their species.
Well, perhaps Harry discovers he has some hidden power that is related to King Ghidorah. Maybe he can transform into King Ghidorah - like form in times of great danger at Hogwarts, using his new - found abilities to protect the school from dark wizards. The other characters would be both amazed and a bit scared of this new Harry.
If it's a crossover with the Power Rangers, the Rangers themselves would be obvious choices. They could combine their Zords and powers to take on King Ghidorah. Each Ranger could use their unique skills and weapons to try and damage the three - headed monster.
In the world of fanfiction, it could be another powerful kaiju. Maybe a new, mysterious kaiju that was introduced into the Monsterverse secretly. This new kaiju could have some special abilities that were passed on to King Ghidorah's offspring.