C210 Xuanyuan jiulong treasure cauldron

The more they walked in, the more shocked they became. Cracks had already appeared on the walls of the cave. This was underground. Logically speaking, it should be extremely humid. Right now, this kind of situation was extremely abnormal.

And there was no heat. There should be a source of heat that could dry up the underground. If there was a layer of scorching lava below, it could still explain