Maybe an Imperial officer who is extremely cunning and ruthless. He might be obsessed with hunting down the Rebels and has a personal vendetta against them. He could use underhanded tactics and his knowledge of the Empire's resources to cause trouble for our heroes.
Well, it could be that the characters go on separate adventures that further develop their skills. Maybe Ezra discovers new Force abilities that he uses to help the Rebellion in unexpected ways. He might meet new allies or face new villains.
It could be a slaver boss. This character might be someone who has a network of slaves and sees the Seventh Sister as a valuable asset. He is cruel and only interested in profit. He would constantly try to break her spirit and force her to do his bidding. Maybe he also has some knowledge of the Force that he uses to keep her in check. Also, it could be an alien warlord who enslaves the Seventh Sister to fight in his gladiatorial arenas, seeing her as a great addition to his entertainment.
In a time - travel story, it could be an alternate version of Ezra himself. Maybe Ezra from a different timeline where he turned to the dark side. This dark Ezra would oppose the normal Ezra, seeing his attempts to change things as a threat to his own power and the dark future he has created.
Sabezra fanfiction adds a lot to the fandom. It allows fans to explore the relationship between Sabine and Ezra in ways that the show might not have fully. For example, it can give more in - depth looks at their feelings for each other.
One great Star Wars Rebels Rex fanfiction is 'Rex's Redemption'. It shows Rex finding his place in the Rebellion after his Clone Wars experiences. Another is 'Rex and Ezra's Bond', which focuses on the relationship between Rex and Ezra Bridger. There's also 'Rex's Leadership in the Rebels' that details how Rex uses his military knowledge to help the Rebels.
One main theme is redemption. Since Anakin had his fall and then his ultimate redemption in the main Star Wars saga, fanfictions often explore how his story can further contribute to the idea of redemption in the Rebels era. For example, characters in Rebels might be inspired by Anakin's journey back to the light.
There are several great plot ideas. For instance, imagine a situation where Yoda, before his death, set in motion a series of events that are only starting to unfold during the Rebels' time. Maybe he planted the seeds for a new Jedi order in a very secretive way. A young Rebel might stumble upon these secrets. Another idea is that Yoda's teachings, which were thought to be lost, are rediscovered by the Rebels through an ancient Jedi artifact. This discovery changes the way they approach the fight against the Empire. And what about a story where Yoda's influence reaches out to a non - Force - sensitive character in Rebels, inspiring them to do great things for the Rebellion in a different way?
Ezra being 12 in the fanfiction could lead to plots centered around his coming of age and facing challenges with a younger mindset. Maybe he has to prove himself despite his age.
Lemon fanfictions in the Star Wars Rebels universe often explore uncanonical romantic or intense relationships. They can be a creative way for fans to explore different character dynamics that may not be shown in the official series. However, they also might deviate significantly from the original tone of the show.
Malachor in Star Wars Rebels fanfiction often delves into the dark and mysterious aspects of the planet. Writers might explore the ancient Sith history there, like the secrets hidden within the Sith temples. It could also focus on how the characters from Rebels interact with the malevolent energy of Malachor.