He's often portrayed as a powerful and mysterious figure. Writers in fanfiction may show him using his Force abilities in creative ways that we don't see in the main Star Wars canon related to Star Wars Rebels. He could be a force for good, despite his past, and his presence might inspire the Rebels to take bolder actions against the Empire.
Well, Starkiller in Star Wars Rebels fanfiction can be seen as a sort of wildcard. His presence can completely shift the plot. He might be depicted as a mentor figure to some of the younger Rebels, teaching them about the Force in a different way than Jedi like Kanan. Fanfic writers like to play with his dark past and how he can either overcome it or be tempted back to the dark side within the context of the Rebels' fight for freedom.
A prevalent theme is also friendship and loyalty. In the context of Star Wars Rebels, characters often rely on each other. In fanfictions about Starkiller, this can be explored in different ways. For example, his relationships with other Rebels characters. There are also often themes of self - discovery. Starkiller may be on a journey to understand who he really is and his place in the galaxy, which is a rich area for fanfiction writers to explore. Moreover, adventure and battles against the Empire are also quite common, as it fits the overall Star Wars Rebels setting.
It's often portrayed as a crucial part of the rebels' arsenal. It's a weapon that gives them a fighting chance against the better - equipped Empire. In some fanfictions, it has unique features like being able to fire different types of ammunition, such as stun rounds for taking enemies alive.
He can be portrayed as a mysterious figure who arrives to help the Rebels at a crucial time. Maybe he shows up just when they are about to be defeated by the Empire and uses his incredible Force powers to turn the tide. His appearance could be all in black like his usual style, but with a glimmer of hope in his eyes that shows he's on the side of the Rebels now.
Obviously, Starkiller is one of the main characters. He's the central figure around which the fanfic often revolves. His abilities and backstory play a big role in driving the plot.
One interesting 'Star Wars Rebels Starkiller' fanfic could be one where Starkiller teams up with the Rebels to take on a new Sith threat. It might explore how his unique skills blend with the Rebels' guerilla warfare tactics.
One great fanfiction could be one where Ezra and Starkiller team up to face a new Sith threat. It might explore how their different skills and experiences complement each other. Ezra's connection to the Loth - Wolves could play a role in uncovering an ancient Sith secret that Starkiller is also interested in.
In many fanfictions, Ezra and Starkiller interact in a mentor - mentee relationship. Starkiller, with his more intense training and experience, guides Ezra to become a more powerful Force user. For example, he might teach Ezra new lightsaber combat techniques.
In Star Wars Rebels fanfiction, Anakin is often portrayed with a mix of his former self and the Vader persona. His fall to the dark side is still a big part of his character, but his love for Ahsoka can shine through. Ahsoka, on the other hand, is usually depicted as a strong and independent Jedi. She has grown since her time with Anakin and is more in tune with the Force. Their interactions in fanfiction can range from tense, due to Anakin's past actions, to warm and nostalgic as they remember their time as master and apprentice.
Another option is to ask in Star Wars - related forums. There are many passionate fans there who are into fanfiction. They might be able to point you towards some really good 'Star Wars Rebels Starkiller' fanfictions. Some of these forums have sections specifically for fan - created works, so it's worth exploring those areas.