One interesting storyline could be a clone who starts to question Order 66 before it's executed. He might notice strange behavior from the Jedi or sense that something isn't right in the grand scheme of things. This clone could then try to warn the Jedi, leading to a whole new chain of events that changes the outcome of Order 66.
One interesting storyline could be about a clone who survived the Clone Wars and joined the Rebels. He could bring his unique combat skills and military knowledge to the Rebellion, causing some initial distrust among the Rebels but eventually proving his worth.
One interesting scenario could be that some clones, having formed strong bonds with the Jedi, manage to resist the chip's control just long enough to warn their Jedi friends. They might then team up to fight against the Sith's plot, leading to a different kind of battle where clones and Jedi fight side by side against the dark forces.
If the clones disobeyed Order 66, it could lead to a major shift in the Star Wars universe. Maybe they'd ally with the Jedi and fight against the Sith's influence.
If the clones disobeyed Order 66, it would likely cause chaos. The Sith's plans would be disrupted, and there might be a chance for the Republic to remain intact. It would also change the fates of many characters we know and love.
One interesting fanfiction could be about Fives trying to expose Order 66 before it's too late. Maybe he teams up with some unlikely allies within the Republic to try and stop the programming. Another could focus on Fives' internal struggle as he discovers the truth about Order 66 and has to decide who to trust among his clone brothers.
One interesting storyline could be a Stormtrooper who begins to question the First Order's motives. He might start seeing the harm they are causing and secretly try to undermine their operations. For example, he could sabotage their weapon shipments or pass information to the Resistance.
One possible scenario could be that a group of clones have formed strong bonds with the Jedi they serve. They might see through the sudden and unethical nature of Order 66. For example, a clone who has fought side by side with a Jedi for years realizes that the Jedi has always been honorable and just, and decides to disobey the order. Another scenario could be that there is a malfunction in the clone's inhibitor chip, causing them to resist the order. In some fanfictions, clones may also receive a counter - order from a different source that makes them question and ultimately disobey Order 66.
Captain Rex is often a likely candidate in fanfiction. He has a very close relationship with Ahsoka Tano and has seen the good in the Jedi through her. His loyalty to her might make him more likely to disobey. Another could be Commander Cody, if in a different scenario where he has more time to think about the implications of the order rather than blindly following it. He has worked closely with Obi - Wan Kenobi and might come to realize that the order is wrong.
One interesting storyline is the redemption of Darth Vader. His journey from being a powerful Sith Lord to finally turning back to the light side to save his son Luke is truly captivating. It shows the power of love and family in the Star Wars universe.
One interesting storyline could be about a young Jedi in training who gets lost in uncharted parts of the galaxy in a CYOA fanfic. They might encounter new species and have to use their Jedi skills in unexpected ways.