A story could be set during the Clone Wars. Siri Tachi could be involved in a mission that has a personal connection to her. For example, she might have to rescue someone she cares about from the Separatist forces. This would put her in a difficult situation where she has to balance her Jedi duties with her personal feelings.
Siri Tachi is a really interesting character in Star Wars Clone Wars fanfics. She was a Jedi Knight. In fanfics, she can be depicted in various adventures, often teaming up with other Jedi or facing off against the Separatist forces. Some fanfics might explore her relationships with other characters like Obi - Wan Kenobi, and how her skills as a Jedi are put to the test during the Clone Wars.
One interesting plotline could be them going on a secret mission together before the events of the main Star Wars saga. They might face a new Sith threat that the Jedi Council is unaware of, and they have to rely on their unique bond and skills to overcome it.
She often plays the role of a brave Jedi. She might be involved in battles against the droid armies. Her character can bring a different perspective to the Clone Wars story in fanfic.
It could be about how she deals with her Jedi duties while being pregnant. Maybe she has to hide it from the Jedi Council for some reason.
You can try fanfiction platforms like FanFiction.net or Archive of Our Own. They usually have a wide range of Star Wars fanfictions, including those about Siri Tachi. Just use the search function and type in 'Siri Tachi' to find relevant stories.
A great plot for Star Wars The Clone Wars fanfiction could be centered around a new, unknown planet that gets caught in the middle of the war. The planet has its own unique species and culture. The story could follow how the clone troopers and the Jedi interact with this new civilization, whether they try to protect it or use it for their own strategic advantages. Or perhaps a story where a group of clone troopers start to develop their own individual personalities and question their loyalty to the Republic due to some unethical orders they receive. This could lead to a conflict within the clone ranks and force the Jedi to take sides.
One idea could be exploring the origin of a new, mysterious force - user in the Shadow Wars. Maybe it's a forgotten Jedi or Sith technique that resurfaces and causes chaos. Another could be focusing on the relationship between a group of rebels and how they deal with the added threat of the Shadow Wars.
A plot could involve Obi - Wan having a vision of a future where he and Siri are married and they bring about a new era of peace in the galaxy. So, he convinces Siri to marry him. However, the Sith sense this change in the Force related to their relationship and try to stop it. Obi - Wan and Siri then have to fight not only the Sith but also the misunderstandings within the Jedi Order. They may also meet some other Jedi who have had similar experiences with love and get support from them.
Often in fanfiction, their characters develop through their relationship with each other. If they fall in love, for instance, they have to navigate the complex emotions while still being Jedi. This can lead to internal struggles that shape their characters. Obi - Wan may become more empathetic towards Siri's point of view, and Siri may become more understanding of Obi - Wan's loyalty to the Jedi Order, which in turn changes how they act and think in different situations.
One plot idea could be that Godzilla somehow gets transported to the Star Wars universe. Maybe the Empire tries to capture and weaponize it, leading to a big showdown between the rebels and the Empire over Godzilla.