637 Reason of Death

"That's not right. If Netherworld City is really muted, why are we able to hear each other's voices? Could it be that it's not forbidden for sound to spread, but that sound can only be transmitted within a certain range?" Liu Yun thought for a moment before saying.

"From the looks of it, the possibility is very high. In other words, we have to walk over to communicate with those people," Zhou Wen said as he looked at the people on the street.

"That's crazy. The person closest to us is 163 stone slabs away from us. Even if sound can be transmitted within a certain range, meaning that we don't have to walk right up to him, we still have to take at least a hundred steps." Liu Yun counted the stone slabs on the street.

"Let's try walking. Even if we stand here without moving, the third rule might still kill us," Zhou Wen said.