The sound made by the plated armors resonated through the tunnels of the crypt. There was no way Hao Ren could figure out the enemy’s position and number. The trio retreated as they fought. They had been trapped in the crypt tunnels for dozens of minutes and still could not find the exit to the surface. Hao Ren relied on the MDT to navigate though the complex tunnel system. Without the device, he would have been as good as blind.