Indeed, they had no way to let their fellow sect brothers know about their miserable deaths. If their fellow brothers did not know, then no one would know who killed them, and thereby the people of the sect would not be able to seek revenge on Lin Yifan.
However, they truly did not possess any bronze key, nor did they know that the Emperor's Palace required a bronze key to be opened. Had they known earlier, they would not have ventured in.
So they replied, "We don't have any bronze key, stop asking us."
"Then I have no choice but to send you to the Netherworld."
After speaking, Lin Yifan drew a sharp treasured sword from behind him, its chill imposing.
Everyone was startled, retreating in fear: "What are you doing? Stay back! We really don't have a bronze key!"
"Still denying? Do you think I don't know?" Lin Yifan shook his sword, pointing it at their heads, angrily questioning and reprimanding.
This sentence terrified the four of them.
