C753 Corpse Puppet Patriarch
Following Confucianist Saber King's order, ten people left the group, put on the Corpse Puppet Sect disciples' clothes, and stood on top of the city wall. These people had already set up formation disks at the four corners of the city wall at an extremely fast speed, and started to circulate their Yuan energy, pretending to be patrolling.
This was a sound-proof formation