I'm not sure specifically as I haven't read this 'terrible terry fanfic'. But it could involve the characters dealing with the consequences of the second task, like new relationships forming or old ones being tested.
I don't know the exact details of this fanfic. But generally, there could be more drama. Maybe the characters start to question their motives or goals.
It could be because the plot is full of holes. In a good Harry Potter fanfic, the plot should be somewhat consistent with the original series. If this 'raven' fanfic has a really disjointed plot, that would make it terrible.
Yes, there might be. There are many fanfics out there created by fans. You can try searching on fanfic platforms or relevant communities to see if there is one specifically about Candy, Anthony, and Terry.
I'm not sure specifically what 'reading the third task fanfic' is about without more context. It could be about reading a fan - made fictional story related to a third task in a particular series, like in a game or a book series.
It could also be a story about their growth. They both have their own flaws and insecurities. In the fanfic, they help each other overcome these. Candy might be shy and Terry helps her become more confident, while Terry might be impulsive and Candy teaches him to think before acting.
There's also a fanfic called 'In Terry's World'. In this story, a female journalist is following Terry around for a story. Through her eyes, we see Terry's world. The fanfic has a lot of great character development and shows a different side of Terry Bogard.
In a fanfic, the family aspect could also include other characters. Maybe Bruce has a new family member that Terry has to protect, or there are family secrets that they both uncover. This could lead to a lot of drama and action. It could also show how Terry's own family views his role as Batman and how that affects his relationships at home.