However, it could be that there's someone else pulling the strings. Maybe a new villain has hired Red X to capture Starfire. This new villain could be the real antagonist, with Red X just being a tool. In some fanfictions, it's common to have a hidden mastermind behind the obvious bad guy. So, it might not be as straightforward as just Red X being the bad guy all on his own.
One possible plot could be that Terra is constantly trying to break free from the physical bindings created by Red X. Terra might use his/her powers of earth manipulation to counter the technological or magical nature of the bindings. Maybe Terra discovers a weakness in the bindings by observing Red X's behavior during their encounters.
In fanfiction, Starfire might struggle in Red X's grip due to their opposing natures. Red X is often depicted as a more morally ambiguous character compared to Starfire's pure - hearted self. His grip could symbolize her being caught in a situation that challenges her beliefs and values.
Other minor characters from the Teen Titans universe might also make an appearance. Maybe some of the villains that are associated with Red X could be there in the background, influencing his actions towards Starfire. Or some of the civilians that the Teen Titans protect, who could be caught in the crossfire of this struggle between Starfire and Red X, and their presence could add more complexity to the story.
The main characters are obviously Starfire and Red X. Starfire is a well - known character from the Teen Titans series, with her superhuman strength, flight ability, and starbolts. Red X is a more mysterious character, often causing trouble and having a complex personality.
One common theme could be the struggle of Starfire against the challenges presented by Red X. It might involve themes of power imbalance, as Red X is often a more morally ambiguous character compared to Starfire. Another theme could be the exploration of Starfire's character growth as she faces this new and difficult situation.
Well, it could be about Starfire facing some sort of danger or challenge that involves this 'Oozing Red X'. Maybe it's a new villain with the symbol of Red X who has some gooey or strange powers.
Cyborg might be another ally. His technological expertise could be used to analyze the bindings. He could potentially find a way to disrupt the power source of the bindings or create a device that can weaken them. Also, his strength and combat abilities could be useful in fending off Red X if necessary.
Obviously, the Red X goo itself can be considered a main antagonist. It's the thing that's causing Starfire to struggle, so it's a direct source of conflict.