A 'batman fires robin fanfic' can be made interesting by exploring the complex relationship between them. Show the hurt and betrayal Robin feels, and Batman's inner conflict.
One popular 'batman fires robin fanfic' might be those that explore the emotional turmoil in Robin after being fired. Maybe it delves into how Robin tries to prove himself worthy again to Batman. Another could be about the reasons Batman gives for firing Robin, like concerns over Robin's recklessness endangering their missions.
Perhaps Batman fires Robin when he discovers that Robin has been secretly in contact with some of Batman's enemies, not realizing that Robin was actually trying to gather intel. Batman, in his paranoia, doesn't believe Robin's explanation and decides to cut ties.
It shows Batman's conflict. On one hand, he cares about Robin like a son, but on the other, he has to uphold his principles. For Robin, there's a sense of betrayal and confusion. He might feel that all his efforts were for nothing.
The role of Beacon Fire was Guageluo, played by Chen Jiajia. Guageluo was one of the twelve gatekeepers of the Anti-No. 1 Beacon City in Seven Swords. She was a female character with a strange personality and unique appearance. She used a scimitar and was a very unreasonable person who could not distinguish right from wrong. Chen Jiajia was a Chinese actress and martial arts performer. She played the role of Guagero in the 2005 movie Seven Swords.
Battle Through the Heavens was a fictional novel. There was no fixed number or name for the Strange Fire in it. Different authors and versions might differ. If you have more context information or a specific version, I can try to provide you with a more accurate answer.