C859 Decrypt Text

Zhang Cheng slowly thought about it. After some thought, he still couldn't come up with an answer. Right now, it was obvious that Zhang Cheng's entire body was giving off a sense of defeat.

He clenched his teeth in dissatisfaction, stood up, and continued to walk forward to touch the stone wall. He wanted to test the stone wall's protrusion, to see if there were any mechanisms behind the mural