C67 Find entrances

"A gap in the formation?"

"Yes, that's the crevice!" Xie Yuyan replied.

"Does this mean that if we can't enter the inner parts of the formation, we won't be able to find the exit?" Ye Yunhan asked in shock.

"Yes." Xie Yuyan nodded.

"Is there really no other way?" Xie Yuyan was unwilling to give up.

"Right!" Xie Yuyan seemed to have thought of something