C610 War of Guardian Beasts
Zheng Zhiyuan took one of the bats' corpses to the thirteen cabins after it was killed twice in a row. He showed the other bats how it would look like to tell a lie.
From then on, the thirteen batmen gave the same answer every time.
"Yun Yang, come out quickly. We've found the real seal." Ying Qi's voice sounded from outside