C1048 Thousand Year Black Dragon(2)

Remembering what the old man said, Reg asked curiously, "Why did you say there were 81 rooms? From ancient times until now, I was the only one who came to this room. Oh right, what's with the teleportation formation outside? We all went through the same door, but why can't I see them? "

"That's a random one-way Portal. Anyone who enters will pass through different passageways