One common theme is the power struggle. Anakin is a powerful Jedi and Grievous is a formidable foe. Their battle represents a clash of different kinds of power.
Well, obviously Anakin and Vader are the main characters. Anakin is his pre - Darth Vader self, full of potential and hope at one point, and Vader is the dark, powerful Sith Lord he becomes.
One interesting plotline could be Anakin's struggle with his past self as Vader. Maybe in the fanfic, Anakin tries to prevent Vader from making the same mistakes he did, leading to intense battles of will and lightsaber duels.
It really depends on how you write it. If it's Anakin at his peak before turning to the dark side, he has a lot of raw power and potential. But Vader has years of experience as a Sith Lord. So, it could go either way.
Anakin is likely to win. He has the power of the Force on his side. He can anticipate Clovis's moves, dodge attacks, and launch powerful counter - attacks. Clovis doesn't have any supernatural abilities like Anakin. Even if Clovis tries to use his wealth or political connections against Anakin, Anakin can use the Force to find a way around those obstacles. His training as a Jedi gives him the discipline and combat expertise that Clovis lacks.
In some fanfics, there might be a plotline where Palpatine tries to corrupt Anakin even further during the battle, using psychological warfare. Anakin, on the other hand, has to resist this while also fighting for his life. This adds a layer of psychological drama to the physical fight between them.
Well, 'greedo a star wars story' is probably about Greedo's adventures. Greedo is that green - skinned Rodian we see in the Star Wars movies. It might tell us about how he got into the bounty hunting business. Maybe it shows his early days on his home planet and what led him to cross paths with Han Solo. It could also explore the rivalries he had with other bounty hunters in that vast Star Wars universe.
One interesting plotline could be a battle that takes place in an alternate universe where Anakin and Obi - Wan have different allegiances from the start. Maybe Anakin is a Sith Lord right from the beginning and Obi - Wan has to face his former apprentice in a more cut - throat battle.
One popular 'anakin vs grievous fanfic' is 'The Duel Beyond the Stars'. It really captures the intensity of their fight. The author does a great job of describing Anakin's aggressive fighting style and Grievous' mechanical prowess.