Feng Wu smiled. "We all know how formidable that man is. He created this big valley with a single strike and exposed this underground mine."
Everyone nodded.
They had all seen it.
Feng Wu then said, "But do you know why this Secret Essence Mine remained intact?"
"Why's that?" the others asked.
"Because it's protected by a formation," said Feng Wu.
"That swordsman has some terrifying skills. When he created this valley with his strike, the temperature dropped by a hundred degrees; there was no way we could have survived out there. We had to enter the Secret Essence Mine.
"Because of the formation, however, the inside of the mine is constantly changing. We'll get lost even if we stay still. Therefore, we must find our way out of here. Otherwise, we'll all die."
Feng Wu looked at the other team members. "We can't wait for the school to rescue us.
