"There is one thing you must understand about the 'Big 4': they aren't set in stone."
Hearing these words come out from Sister Xuan's mouth, Daneel sat straight on his chair.
After getting to the courtyard, he had knocked before entering.
On hearing that he was here to learn more about the Big 4, Molan and Sister Xuan had shared a look between them.
Daneel hadn't understood the meaning behind it, but he had had a feeling that he would find out soon enough.
After sitting down, she had started the explanation in a neutral tone with these words.
"There is only one requirement for a force to become one of the Big 4: to possess a Hero-"
"Sister Xuan! You mustn't!"
As Molan said these words in panic, Sister Xuan sighed and stopped speaking.
