C942 Nebula Formation

After walking some distance, a stone door appeared in front of them. Moreover, the stone door used a very complicated nebula array. Moreover, Zhang Fann was observing it. If he accidentally solved it wrongly, the entire formation would explode in an instant. It would bury everyone alive, but it wouldn't have any effect on Ni Zheng's tomb.

Yan Fei looked at the nebula map on the door and frowned