In the real world,
"I already told you. His arm is gone. Without that arm, he can't forge the weapons."
"And, if he can't do that, he will be forced to enter that prison and riot for the rest of his life."
"Why would you need to get involved with this anyway?"
Siran stood in front of a man in black cloth who hid his face with a black cat mask and asked.
"He killed the members of our family. Nobody kills our member and gets away with their life. He must die." The man in the black cloth spoke.
"He will die. It's just that his death will be much more painful and interesting."
"Don't you want to go and visit him in the prison where he will be rioting for the rest of his life?"
"Do you think I didn't kill him because I couldn't? The moment that brat challenged the prestige of our family, I wanted to kill him."
"But, when he finally joined hands with Helen's Family, I decided to make his death more painful."