Turning in circles on the spot (2)

The mark he had made at this location had disappeared.

Song Wei had obviously noticed this as well. Her face was slightly pale and her heart was even more nervous.

The two of them also searched the other two roads at the fork, but they didn't leave any traces.

Could it be that the mark would disappear on its own? Or was it that someone had cleared it from behind?

No matter which possibility it was, it would make one's hair stand on end.

Without those marks, the two of them would very likely get lost in this complicated underground Palace.

Xia ruofei's expression was a little ugly. He used his divine sense to communicate with Xia Qing,""What's going on?"

"Master, there might be a formation in this underground Palace." Xia Qing analyzed,"the area of these corridors is not as large as you think. It is very likely that you have been walking in circles."

"A trapping formation?" Xia ruofei said.