Even if it was moved, where could it be moved to? Another dimension? Or was the Heavy Prison City that Xu Hei saw just an illusion?

Xu Hei entered to investigate, searching inside and out, but found no clues.

Even the Ghost Clan member that appeared earlier vanished after being struck by a sword, with no trace of where they went.

"Elder Qin, what happened just now?" Xu Hei asked.